Entries |
Document | Title | Date |
20100143818 | COPPER-SUBSTITUTED PEROVSKITE COMPOSITIONS FOR SOLID OXIDE FUEL CELL CATHODES AND OXYGEN REDUCTION ELECTRODES IN OTHER ELECTROCHEMICAL DEVICES - The present invention provides novel compositions that find advantageous use in making electrodes for electrochemical cells. Also provided are electrochemical devices that include active oxygen reduction electrodes, such as solid oxide fuel cells, sensors, pumps and the like. The compositions comprises a copper-substituted ferrite perovskite material. The invention also provides novel methods for making and using the electrode compositions and solid oxide fuel cells and solid oxide fuel cell assemblies having cathodes comprising the compositions. | 06-10-2010 |
20100143819 | POLYMER ELECTROLYTE FUEL CELL AND MANUFACTURING METHOD FOR ELECTRODE-MEMBRANE-FRAME ASSEMBLY - In a manufacturing method for an electrode-membrane-frame assembly in a fuel cell, a first frame member and an electrolyte membrane member are arranged in a first mold for injection molding such that the edge of the electrolyte membrane member is arranged on the first frame member, a second mold is arranged to form a resin flow passage for forming a second frame member which is in contact with the first frame member by interposing the electrolyte membrane member, and a part of the edge of the electrolyte membrane member is pressed and fixed to the first frame member by a presser member mounted on the second mold and a molding resin material is injected into the resin flow passage to form a second frame member. | 06-10-2010 |
20100151345 | Electrode Gas Channel Supports and Methods for Forming Internal Channels - A solid oxide fuel cell includes an anode layer, an electrolyte layer over the anode layer, and a cathode layer over the electrolyte layer, wherein at least one of the anode layer and the cathode layer defines at least one gas channel, the gas channel containing at least one support structure. The support structure can have a cross-sectional shape of an I-beam, an arch, a tube defining holes along its length, a porous cylinder, or a U-shaped brace. The support structure can be open at a portion of the gas channel most proximate to the electrolyte layer. | 06-17-2010 |
20100183940 | FUEL CELL STACK - Provided is a fuel cell stack including stacked unit cells. Each unit cell includes a membrane-electrode assembly and a porous support. | 07-22-2010 |
20100203415 | UNIT CELL OF HONEYCOMB-TYPE SOLID OXIDE FUEL CELL, STACK USING THE UNIT CELL AND METHOD MANUFACTURING THE UNIT CELL AND STACK - Disclosed is a unit cell of a honeycomb-type solid oxide fuel cell (SOFC) having a plurality of channels. The channels include cathode channels and anode channels. The cathode channels and anode channels are set up alternately in the unit cell. A collector is installed inside each of the cathode channels and the anode channels, and a packing material is packed into the channels having the collector. Disclosed also is a stack including the unit cells and methods for manufacturing the unit cell and the stack. | 08-12-2010 |
20100203416 | HYBRID REFORMER FOR FUEL FLEXIBILITY - A reformer for a fuel cell system includes a leading segment and a trailing segment. The leading segment includes less reactive catalyst and/or more stabilizing catalyst than the trailing segment. The reformer may be used for reformation of high and low hydrocarbon fuels. | 08-12-2010 |
20100203417 | HIGH TEMPERATURE FUEL CELL SYSTEM AND METHOD OF OPERATING SAME - A high temperature fuel cell stack system, such as a solid oxide fuel cell system, with an improved balance of plant efficiency includes a thermally integrated reformer, combustor and the fuel cell stack. | 08-12-2010 |
20100216047 | POWDER CONTAINING ELONGATED GRAINS AND THE USE THEREOF FOR PRODUCING AN ELECTRODE FOR A SOLID OXIDE FUEL CELL - The present invention provides a powder constituted by a set of grains, characterized in that the 10 percentile of the cumulative granulometric distribution of the grain sizes, commencing from the fines, D | 08-26-2010 |
20100239938 | JOINT-FREE INTEGRATED FUEL CELL ARCHITECTURE - A fuel cell element including an assembly of a membrane, a first electrode, and a second electrode, and a mechanism holding the assembly together, which forms a peripheral support thereof and that includes an electrical connection and a mechanism for circulation of fluid and for supply of the fluid into the assembly. | 09-23-2010 |
20100248068 | FUEL CELL STACK, FUEL CELL, AND METHOD OF MANUFACTURING FUEL CELL STACK - A fuel cell stack includes two or more cells. The cell includes a solid polymer electrolyte membrane, a porous metallic cathode, and a porous metallic anode. The cathode is arranged on one surface of the solid polymer electrolyte membrane through a catalyst layer. The anode is arranged on the other surface of the solid polymer electrolyte membrane through a catalyst layer. Two or more cells are connected in an electrically conductive manner by resistance welding of the cathode of one of the cells and the anode of the other one of the cells with a conductive metallic foil interposed therebetween. | 09-30-2010 |
20100248069 | FUEL CELL - A fuel cell includes a membrane electrode assembly. The membrane electrode assembly has an electrolyte membrane, cathode catalyst layers, and anode catalyst layers disposed counter to the cathode catalyst layers with the electrolyte membrane disposed between the cathode catalyst layers and the anode catalyst layers. Cathode-side insulating layers, which are water-repellent, are provided between the adjacent cathode catalyst layers. The surface of the cathode-side insulating layer on the opposite side of the electrolyte membrane is protruded relative to the surface of the adjacent cathode catalyst layers. Anode-side insulating layers, which are water-repellent, are provided between the adjacent anode catalyst layers. The surface of the anode-side insulating layer on the opposite side of the electrolyte membrane is protruded relative to the surface of the adjacent anode catalyst layers. | 09-30-2010 |
20100266925 | Fuel Cell, Fuel Cell Stack, and Fuel Cell Apparatus - The invention relates to a fuel cell having superior durability by suppressing a reaction between a component contained in a solid electrolyte and an oxygen-side electrode during a long-period operation, a fuel cell stack and a fuel cell apparatus using thereof. A fuel cell ( | 10-21-2010 |
20100279194 | Sulfur Tolerant Anode For Solid Oxide Fuel Cell - A solid oxide fuel cell (SOFC) for use in generating electricity while tolerating sulfur content in a fuel input stream. The solid oxide fuel cell includes an electrolyte, a cathode, and a sulfur tolerant anode. The cathode is disposed on a first side of the electrolyte. The sulfur tolerant anode is disposed on a second side of the electrolyte opposite the cathode. The sulfur tolerant anode includes a composition of nickel, copper, and ceria to exhibit a substantially stable operating voltage at a constant current density in the presence of the sulfur content within the fuel input stream. The solid oxide fuel cell is useful within a SOFC stack to generate electricity from reformate which includes synthesis gas (syngas) and sulfur content. The solid oxide fuel cell is also useful within a SOFC stack to generate electricity from unreformed hydrocarbon fuel. | 11-04-2010 |
20100285387 | SEGMENTED-IN-SERIES SOLID OXIDE FUEL CELL - There is obtained a segmented-in-series solid oxide fuel cell provided with a current turnaround structure and containing a porous electrically insulating substrate having a fuel flow path extending from a fuel feed port to a fuel discharge port, provided therein, and a pair of the top and back surfaces, in parallel with the fuel flow path, together with a pair of side-faces of the porous electrically insulating substrate, in the transverse direction thereof, provided on the exterior thereof, wherein solid oxide fuel cells made up by sequentially stacking an interconnector adjacent to a fuel electrode layer, the fuel electrode layer, an electrolyte layer, and an air electrode layer, and an interconnector adjacent to the air electrode layer in that order so as to be in parallel with the fuel flow path are disposed at intervals on the pair of the top and back surfaces, respectively. | 11-11-2010 |
20100291459 | Segmented-In-Series Solid Oxide Fuel Cell Stack and Fuel Cell - A segmented-in-series solid oxide fuel cell stack of the invention comprises: an electrically-insulating porous support body having a gas passage therein; and a plurality of fuel cells arranged side by side on a surface of the support body. Each fuel cell have a first inner electrode layer; a current collector and a second inner electrode layer arranged side by side on the first inner electrode layer; and a solid electrolyte layer and an outer electrode layer sequentially laminated on the second inner electrode layer, and have a multilayer structure in which the solid electrolyte layer is extended and connected to the current collector through an intermediate layer. These fuel cells are connected in series. The current collector and the second inner electrode layer are arranged with a predetermined clearance therebetween on the first inner electrode layer. A fuel cell of the invention is formed by storing these segmented-in-series solid oxide fuel cell stacks in a storage container. | 11-18-2010 |
20100323266 | MATERIAL FOR SOLID OXIDE FUEL CELL INTERCONNECTOR, UNIT CELL FOR SOLID OXIDE FUEL CELL, AND SOLID OXIDE FUEL CELL - An interconnector material having a high degree of densification, a unit cell for a solid oxide fuel cell that has a high degree of gas tightness at the contact interface between the electrolyte and the interconnector, and a solid oxide fuel cell having superior reliability are provided in an inexpensive manner. A material for a solid oxide fuel cell interconnector, comprising (Sr | 12-23-2010 |
20110033769 | Electrical Storage Device Including Oxide-ion Battery Cell Bank and Module Configurations - A rechargeable electrical storage device is disclosed, where one embodiment utilizes an anion (“A”) conducting electrolyte ( | 02-10-2011 |
20110059383 | COMBINED CELL STRUCTURE FOR SOLID OXIDE FUEL CELL - A combined cell structure for a solid oxide fuel cell includes a plurality of tube-type or flat-tube-type solid oxide fuel cells combined in series in a longitudinal direction. The combined cell structure includes first and second cells each having a first electrode, a second electrode and an electrolyte layer between the first and second electrodes. The combined cell structure further includes a support member connecting the cells. The support member can include a first sub-support member passing through a hollow portion of the first cell, and a second sub-support member passing through a hollow portion of the second cell. In the combined cell structure, one end of the first sub-support member is fixedly coupled to one end of the second sub-support member. Accordingly, the first and second cells are connected to each other in the direction of reactant flow. | 03-10-2011 |
20110065014 | CATALYST SUPPORT FOR FUEL CELL - A catalytic material for a fuel cell comprising a catalyst supported on a catalyst support, wherein the catalyst support comprises a Period IV transition metal phosphide is disclosed. A membrane electrode assembly (MEA) and fuel cell stack comprising such a catalytic material are similarly disclosed. | 03-17-2011 |
20110065015 | Solid oxide fuel cell - The solid oxide fuel cell of the present invention has a substrate ( | 03-17-2011 |
20110070518 | UNIT CELL OF SOLID OXIDE FUEL CELL AND STACK USING THE SAME - A unit cell of a solid oxide fuel cell (“SOFC”) and a fuel cell stack including the SOFC are disclosed. The SOFC may include a first electrode formed in a hollow cylinder shape, a second electrode formed on an outer surface of the first electrode, an electrolyte layer formed between the first electrode and the second electrode and a cap coupled to an end portion of the first electrode. A seating groove may be formed in the cap such that a conductor may be inserted into the seating groove and be in surface contact with the cap. The cap may include a conductive material and a current collection area of the unit cell may be broad when the fuel cell is included in, a fuel cell stack. | 03-24-2011 |
20110076587 | HIGHLY ELECTRICALLY CONDUCTIVE SURFACES FOR ELECTROCHEMICAL APPLICATIONS AND METHODS TO PRODUCE SAME - A method to use a novel structured metal-ceramic composite powder to improve the surface electrical conductivity of corrosion resistant metal substrates by thermal spraying the structured powder onto a surface of a metallic substrate is disclosed. The structured powder has a metal core and is wholly or partially surrounded by an electrically conductive ceramic material such as a metal nitride material. The metal cores may have the ceramic material formed on them prior to a thermal spraying process performed in an inert atmosphere, or the thermal spraying may be performed in a reactive atmosphere such that the ceramic coating forms on the cores during the thermal spraying process and/or after deposition. The metal cores will bond conductive ceramic material onto the surface of the substrate through the thermal spray process. | 03-31-2011 |
20110091785 | FLAT-PLATE SOLID OXIDE FUEL CELL - An object of the present invention is to provide a flat-plate solid oxide fuel cell which can prevent a crack from occurring in an outer peripheral portion of a solid electrolyte due to the action of stress. In order to achieve this object, the present invention provides a flat-plate solid oxide fuel cell having a fuel cell stack ( | 04-21-2011 |
20110111320 | STACK STRUCTURE FOR LAMINATED SOLID OXIDE FUEL CELL, LAMINATED SOLID OXIDE FUEL CELL AND MANUFACTURING METHOD - A stack structure for a solid oxide fuel cell includes a plurality of stacked single cells, each having a fuel electrode layer including a fuel electrode and an air electrode layer including an air electrode, the fuel electrode layer and the air electrode layer being arranged opposite each other on either side of a solid electrolyte, separators arranged between the stacked single cells to separate the single cells, and non-porous seal parts located within the fuel electrode layer and the air electrode layer, are equivalent to either the separators or the solid electrolyte at least in terms of thermal expansion and contraction characteristics, and are integrated with an edge of the fuel electrode or an edge of the air electrode, and also with the adjacent separator and the adjacent solid electrolyte. | 05-12-2011 |
20110129757 | FUEL CELL WITH MEMBRANE/ELECTRODE STACK PERPENDICULAR TO THE SUPPORT SUBSTRATE AND METHOD FOR PRODUCING - A fuel cell includes at least one stack the main elements whereof are perpendicular to a support substrate. This stack is provided with an electrolytic membrane situated between a first and second electrode. The first and second electrodes each include a catalytic layer in contact with the electrolytic membrane. Each electrode includes an electrically conductive porous diffusion layer, and each stack is inserted between electrically conductive first and second support partitions perpendicular to the support substrate and constituting current collectors of the stack. The support partitions are electrically insulated from one another. | 06-02-2011 |
20110159397 | STAINLESS STEEL MATERIAL FOR A SEPARATOR OF A SOLID POLYMER FUEL CELL AND A SOLID POLYMER FUEL CELL USING THE SEPARATOR - A stainless steel member comprising a stainless steel base metal; an oxide film located on the surface of the stainless steel base metal; an electroconductive layer located on the surface of the oxide film and comprising a nonmetallic electroconductive material; and an electroconductive material which is located so as to penetrate the oxide film and which electrically contacts the stainless steel base metal and the electroconductive layer is provided as a stainless steel member for a separator of a solid polymer fuel cell having excellent properties such that a degradation in performance is low even after prolonged operation. A solid polymer fuel cell using the stainless steel member is also provided. | 06-30-2011 |
20110171558 | FUEL CELL - A fuel cell including a fuel cell stack having a fuel cell unit provided with, in order to enable appropriate control of a wet state before power generation efficiency of the fuel cell is reduced, a polymer electrolyte membrane having one surface thereof provided with an oxidizer electrode and another surface thereof provided with a fuel electrode. The fuel cell unit includes plural power generation cell units and a pair of wet state detection cell units. | 07-14-2011 |
20110195332 | CONDUCTIVE POROUS SPACERS FOR NESTED STAMPED PLATE FUEL CELL - A fuel cell having a pair of bipolar plates is provided. Each of the bipolar plates has a nested active area and a non-nested feed area which also may serve as active area. An electrolyte membrane is disposed between a pair of electrodes and a pair of diffusion medium layers. Each of the diffusion medium layers is disposed adjacent the nested active areas and non-nested feed areas of the bipolar plates. A porous, electrically conductive spacer is disposed between one of the diffusion medium layers and one of the bipolar plates. A fuel cell stack having the fuel cell is also provided. | 08-11-2011 |
20110217616 | BOND LAYER FOR A SOLID OXIDE FUEL CELL, AND RELATED PROCESSES AND DEVICES - An electrically-conductive layer of material having a composition comprising lanthanum and strontium is described. The material is characterized by a microstructure having bimodal porosity. Another concept in this disclosure relates to a solid oxide fuel cell attached to at least one cathode interconnect by a cathode bond layer. The bond layer includes a microstructure having bimodal porosity. A fuel cell stack which incorporates at least one of the cathode bond layers is also described herein, along with related processes for forming the cathode bond layer. | 09-08-2011 |
20110217617 | FUEL CELL COMPRESSION RETENTION SYSTEM USING COMPLIANT STRAPPING - A fuel cell system is provided including a fuel cell stack having a first end and second end. The fuel cell stack includes at least one fuel cell having a membrane-electrode assembly disposed between adjacent gas diffusion layers. The fuel cell system further includes a compression retention system having a plurality of compliant straps adapted to apply a compressive force to the fuel cell stack. The plurality of compliant straps are further adapted to accommodate an expansion of the fuel cell stack during an operation thereof and maintain the compressive force within a desired range. | 09-08-2011 |
20110223514 | OPEN FLOW FIELD FUEL CELL - Provided is a polymer electrolyte membrane fuel cell stack, comprising a first bipolar plate, a second bipolar plate, an electrochemical package comprising a cathode, an anode, and a polymer membrane interposed between the cathode and the anode, an anode compartment disposed between the first bipolar plate and the anode, the anode compartment comprising at least one inlet and at least one outlet, a cathode compartment disposed between the second bipolar plate and the cathode, the cathode compartment comprising at least one inlet and at least one outlet, and wherein the geometric area of the anode compartment is larger than the geometric area of the anode. Also provided is a polymer electrolyte membrane fuel cell stack, comprising a first bipolar plate, a second bipolar plate, an electrochemical package comprising a cathode, an anode, and a polymer membrane interposed between the cathode and the anode, an anode compartment disposed between the first bipolar plate and the anode, the anode compartment comprising at least one inlet and at least one outlet, a cathode compartment disposed between the second bipolar plate and the cathode, the cathode compartment comprising at least one inlet and at least one outlet, and wherein the geometric area of the cathode compartment is larger than the geometric area of the cathode. | 09-15-2011 |
20110223515 | MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, METHOD OF MANUFACTURING MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL, AND FUEL CELL SYSTEM - A membrane-electrode assembly for a fuel cell is disclosed. The membrane-electrode assembly may include a polymer electrolyte membrane, an adhesive layer disposed on the polymer electrolyte membrane and a catalyst layer formed, as part of the adhesive layer. The polymer electrolyte membrane, the adhesive layer and the catalyst layer may be positioned between a cathode substrate and an anode substrate. The cathode may include a cathode substrate and the anode may include an anode substrate. A method for manufacturing a membrane-electrode assembly and a system incorporating a membrane-electrode assembly are also disclosed. | 09-15-2011 |
20110244354 | Fuel Cell System and Method for Production Thereof - A contact used to electrically connect High-temperature density fuel cells together is provided. The contact includes at least one hollow cord which each has at least three contact surfaces with the fuel cell, of which two contact surfaces connect neighboring anode surfaces and the third contact surface connects the interconnector of the next High-temperature density fuel cell. A method for producing a fuel cells system including high-power density fuel cells is also provided. | 10-06-2011 |
20110256463 | PARALLEL FUEL CELL STACK ARCHITECTURE - The disclosed embodiments relate to a system that provides a power source. The power source includes a set of fuel cells arranged in a fuel cell stack. The power source also includes a power bus configured to connect the fuel cells in a parallel configuration. | 10-20-2011 |
20110256464 | Fuel Cell, Fuel Cell Module, Fuel Cell Device, and Method of Manufacturing Fuel Cell - There are provided a fuel cell capable of suppressing damage to an end thereof, and a fuel cell module and a fuel cell device that include the fuel cell. In a fuel cell ( | 10-20-2011 |
20110262828 | ELECTRODE CATALYST DISPERSION AND INK COMPOSITION - There is provided an electrode catalyst layer that has excellent durability compared to conventional electrode catalyst layers employing carbon supports, and that can minimize as much as possible the amount of catalyst material used while exhibiting desired output, by allowing adjustment of the amount as necessary. The electrode catalyst dispersion of the disclosure comprises catalyst particles that contain a non-conductive support and a conductive catalyst material covering the surface of non-conductive support, and a dispersing medium selected from among water, organic solvents and combinations thereof. The ink composition of the disclosure comprises catalyst particles containing a non-conductive support and a conductive catalyst material covering the surface of non-conductive support, a dispersing medium selected from among water, organic solvents and combinations thereof, and an ionic conductive polymer, wherein the volume ratio of the catalyst particles and the ionic conductive polymer is 55:45-90:10. There is further provided an electrode catalyst layer. | 10-27-2011 |
20110269053 | SOLID OXIDE FUEL CELL HAVING A GLASS COMPOSITE SEAL - A solid oxide fuel cell stack having a plurality of cassettes and a glass composite seal disposed between the sealing surfaces of adjacent cassettes, thereby joining the cassettes and providing a hermetic seal therebetween. The glass composite seal includes an alkaline earth aluminosilicate (AEAS) glass disposed about a viscous glass such that the AEAS glass retains the viscous glass in a predetermined position between the first and second sealing surfaces. The AEAS glass provides geometric stability to the glass composite seal to maintain the proper distance between the adjacent cassettes while the viscous glass provides for a compliant and self-healing seal. The glass composite seal may include fibers, powders, and/or beads of zirconium oxide, aluminum oxide, yttria-stabilized zirconia (YSZ), or mixtures thereof, to enhance the desirable properties of the glass composite seal. | 11-03-2011 |
20110275000 | FUEL CELL SYSTEMS AND RELATED ARRANGEMENTS FOR LIMITING RELATIVE MOTION BETWEEN FUEL CELLS - Fuel cell systems ( | 11-10-2011 |
20110275001 | FUEL CELL - According to one embodiment, a fuel cell includes a membrane electrode assembly including a plurality of unit cells which are composed of an electrolyte membrane, an anode including anode catalyst layers arranged at intervals on one of surfaces of the electrolyte membrane, and anode gas diffusion layers stacked on the anode catalyst layers, and a cathode including cathode catalyst layers arranged at intervals on the other surface of the electrolyte membrane and opposed to the anode catalyst layers, respectively, and cathode gas diffusion layers stacked on the cathode catalyst layers, wherein a thickness of at least one of the anode catalyst layer and the cathode catalyst layer of one of the unit cells, which neighbor each other, gradually decreases toward the other of the unit cells. | 11-10-2011 |
20110294030 | POLYMER ELECTROLYTE FUEL CELL STACK - When assembly is carried out by clamping a stacked product made up of a plurality of unit cell modules, paired end plates respectively disposed on both the sides thereof and the like by a plurality of fastening members, first coupling portions of one end portion of each of such plurality of fastening members and second coupling portions of the other end portions are combined to each other, and coupled with one pin member. Thus, a plurality of such fastening members are coupled. | 12-01-2011 |
20110294031 | COMPOSITE MEMBRANE AND FUEL CELL - Membrane electrode assemblies are disposed in openings provided in a substrate, respectively. Each membrane electrode assembly includes an electrolyte membrane, an anode catalyst layer, and a cathode catalyst layer. The substrate has an insulating region that insulates a conducting region used to connect an adjacent membrane electrode assembly in series, and an insulating region used to insulate the periphery of the membrane electrode assembly. The conducting region is provided between adjacent membrane electrode assemblies. The conducting region and the insulating region share the same material used for their base portions, and the electric conductivity increases continuously from the insulating region toward the conducting region. | 12-01-2011 |
20110300466 | Chemical Bonding For Catalyst/Membrane Surface Adherence In Membrane Electrolyte Fuel Cells - An alkaline membrane fuel cell including at least one of i) a catalyst coated OH— ion conducting membrane having a catalyst layer and an OH— ion conducting membrane, and ii) a catalyst coated carbonate ion conducting membrane having a catalyst layer and a carbonate ion conducting membrane, respectively, wherein the at least one catalyst layer is chemically bonded to a surface of the at least one membrane, wherein the chemical bonding is established by crosslinking of polymer constituents across an interface between the at least one catalyst layer and the at least one membrane. | 12-08-2011 |
20110300467 | PROTON EXCHANGE MEMBRANE FUEL CELL STACK AND FUEL CELL STACK MODULE - A proton exchange membrane fuel cell stack and novel proton exchange membrane fuel cell module are disclosed and wherein the proton exchange membrane fuel cell stack includes a plurality of repeating, serially electrically coupled fuel cell stack modules, and which are sealably mounted together by a compressive force of less than about 60 pounds per square inch. | 12-08-2011 |
20120021325 | Membrane-Electrode Assembly, and Fuel Cell Stack and Fabricating Method of Membrane-Electrode Assembly - A membrane-electrode assembly for a fuel cell, the membrane-electrode assembly including an electrolyte membrane; an edge protective layer located at generally an edge of the electrolyte membrane; and a catalytic layer including a plate portion contacting the electrolyte membrane and a protruding portion protruding from the plate portion and contacting the edge protective layer. | 01-26-2012 |
20120021326 | FUEL CELL STACK HAVING TIGHTENING MEMBERS - A fuel cell stack includes a stack body formed by stacking a plurality of fuel cells in a stacking direction, and first and second end plates at both ends in the stacking direction. Long sides of the first and second end plates are fixed together by a pair of tightening members. The tightening member includes a bent portion bent in a direction along a surface of the second end plate, and coupled to the pressure application adjustment device, and a wide portion having a width extended toward the first end plate. | 01-26-2012 |
20120034546 | FUEL CELL, FUEL CELL STACK AND METHOD FOR SEALING A FUEL CELL - The invention relates to a fuel cell ( | 02-09-2012 |
20120058411 | FUEL CELL STACK - A fuel cell stack includes a stack of fuel cells. Each of the fuel cells includes a membrane electrode assembly and a separator that are stacked. The membrane electrode assembly includes an electrolyte membrane and a pair of electrodes sandwiching the electrolyte membrane therebetween. The terminal plate, the insulation plate, and the end plate are stacked at each end of the stack of the fuel cells in a stacking direction of the fuel cells. The terminal plate has a plurality of spaces formed therein. The spaces are separated from each other by a partition wall. A connection terminal is disposed on a plate surface of the terminal plate. The plate surface faces the insulation plate, at a position at which the connection terminal does not overlap the partition wall in the stacking direction. The connection terminal protrudes outward from the end plate in the stacking direction. | 03-08-2012 |
20120088178 | FUEL CELL AND MANUFACTURING METHOD THEREOF - There are provided a fuel cell and a manufacturing method thereof. The manufacturing method of a fuel cell includes: providing a support for a fuel cell; and forming an interconnecting member layer including metal-glass and interconnecting unit cells on the support. According to the present invention, since an interconnecting member having high durability, chemical resistance properties and improved electrical conductivity is provided, a fuel cell having improved electrical characteristics and an improved durability may be provided. | 04-12-2012 |
20120094205 | COMPLIANT GLASS SEAL FOR FUEL CELL STACK - A solid oxide fuel cell stack having a plurality of cassettes and a compliant glass seal disposed between the sealing surfaces of adjacent cassettes, thereby joining the cassettes and providing a hermetic seal therebetween. The compliant glass seal may include a glass, at least one metal selected from Groups 9, 10, and 11 of the periodic table, and fibers of yttria-stabilized zirconia (YSZ) to enhance the desirable properties of the compliant glass seal. The combined weight percentage of the at least one metal and YSZ in the compliant glass seal is 30 to 42.5 weight percent, preferably 37.5 percent. | 04-19-2012 |
20120100454 | METHOD TO PROVIDE ELECTRICAL INSULATION BETWEEN CONDUCTIVE PLATES OF A HYDROGEN FUEL CELL - A subassembly for a fuel cell includes a fuel cell plate having a first side and a second side. Each of the first side and the second side has a flow field disposed between a pair of headers. An insulating spacer abuts the first side of the fuel cell plate and is disposed adjacent a perimeter of the fuel cell plate. A unitized electrode assembly includes a subgasket, a membrane electrode assembly, and a pair of diffusion medium layers. The membrane electrode assembly has an electrolyte membrane sandwiched between a pair of electrodes. The membrane electrode assembly is sandwiched between the pair of diffusion medium layers. The subgasket surrounds, and is coupled to, the membrane electrode assembly. The subgasket abuts the insulating spacer. An elastomeric seal abuts the second side of the fuel cell plate. | 04-26-2012 |
20120141905 | SOLID OXIDE FUEL CELL - A solid oxide fuel cell is provided that includes an anode current collecting layer, a cathode, an electrolyte layer, and an anode active layer. The anode current collecting layer contains Ni or NiO, and an oxide represented by a general formula AEZrO | 06-07-2012 |
20120156584 | FUEL CELL - Provided is a fuel cell capable of maintaining an interface pressure in good condition between a membrane electrode assembly and separators, and preventing an increase in contact resistance. A fuel cell is disclosed including: a membrane electrode assembly provided with a frame at a periphery thereof; two separators holding both the frame and the membrane electrode assembly therebetween; and a gas seal provided between an edge portion of the frame and an edge portion of each separator to have a configuration in which a reactant gas passes through the frame and the membrane electrode assembly and the separators, wherein the frame and the separators are not in contact with and separated from each other in a region between the membrane electrode assembly and the gas seal. | 06-21-2012 |
20120178012 | SEALING MEMBER FOR SOLID OXIDE FUEL CELL AND SOLID OXIDE FUEL CELL EMPLOYING THE SAME - Disclosed herein are a sealing member for a solid oxide fuel cell and a solid oxide fuel cell employing the same. The sealing member for a solid oxide fuel cell includes: a glass sheet; and mica layers formed on both surfaces of the glass sheet. The sealing member can have excellent airtightness and bonding capability, proper flow characteristics, and high electric resistivity, by constituting the sealing member of the glass sheet and the mica layers. | 07-12-2012 |
20120189939 | FUEL CELL, CELL STACK, FUEL CELL MODULE, AND FUEL CELL DEVICE - A fuel cell includes a solid electrolyte layer containing Zr; an intermediate layer containing CeO | 07-26-2012 |
20120231363 | FUEL CELLS - The invention concerns the use as a redox a catalyst and/or mediator in a fuel cell catholyte solution of the compound of Formula (I) wherein: X is selected from hydrogen and from various functional groups; R | 09-13-2012 |
20120244451 | PLATED PHOTOPOLYMER BASED FUEL CELL - A fuel cell component includes a first fluid distribution layer, a second fluid distribution layer, a cap layer, a third fluid distribution layer, and a pair of fluid diffusion medium layers. The individual layers are polymeric, mechanically integrated, and formed from a radiation-sensitive material. The first fluid distribution layer, the second fluid distribution layer, the cap layer, the third fluid distribution layer, and the pair of fluid diffusion medium layers are coated with an electrically conductive material. A pair of the fuel cell components may be arranged in a stack with a membrane electrode assembly therebetween to form a fuel cell. | 09-27-2012 |
20120264030 | MEMBRANE ELECTRODE ASSEMBLIES AND FUEL CELLS WITH LONG LIFETIME - The present invention relates to improved membrane electrode assemblies and fuel cells with long lifetime, comprising two electrochemically active electrodes separated by a polymer electrolyte membrane based on polyoxazoles. | 10-18-2012 |
20120264031 | Protective Coatings for Metal Alloys and Methods Incorporating the Same - An electrochemical device having one or more solid oxide fuel cells (SOFCs), each of the SOFCs including a cathode, an anode, and an electrolyte layer positioned between the cathode and anode; and at least one additional component comprising a metallic substrate having an electronically conductive, chromium-free perovskite coating deposited directly thereon. The perovskite coating has the formula ABO | 10-18-2012 |
20120270133 | FUEL CELL STACK - A fuel cell stack includes at least one membrane electrolyte assembly having an electrolyte membrane, an anode on a first surface of the electrolyte membrane, and a cathode on a second surface opposite to the first surface of the electrolyte membrane; and at least one supply member coupled to the electrolyte membrane and configured to supply a conductive material to the electrolyte membrane. | 10-25-2012 |
20120276468 | SILICON PHOSPHATE AND MEMBRANE COMPRISING THE SAME - The invention provides a composition having the formula (I): xXO | 11-01-2012 |
20120276469 | FUEL CELL STACK, MANUFACTURING METHOD OF FUEL CELL STACK AND REPLACEMENT METHOD OF MODULE AS CONSTITUENT OF FUEL CELL STACK - A fuel cell stack includes: a first module configured to include an electrolyte membrane, an anode and a cathode; a second module configured to include a separator and placed adjacent to one surface of the first module via a first sealing member; and a third module configured to include a separator and placed adjacent to the other surface of the first module via a second sealing member. In this fuel cell stack, the first sealing member has the greater peel strength to the first module than the peel strength to the second module, and the second sealing member has the greater peel strength to the first module than the peel strength to the third module. | 11-01-2012 |
20120282538 | FUEL CELL STACK STRUCTURE AND FUEL CELL STACK STRUCTURE MANUFACTURING METHOD - A fuel cell stack structure is basically provided with a stack entity and at least one tie rod. The stack entity includes a plurality of solid electrolyte fuel cell units stacked together in a stacking direction. The tie rod extends through the stack entity to fasten the solid electrolyte fuel cell units so that the solid electrolyte fuel cell units are pressed against each other in the stacking direction. The tie rod has an outer cylinder, an inner shaft fitting into the outer cylinder, and a joining material disposed between the outer cylinder and the inner shaft. The joining material fastens the outer cylinder and the inner shaft together in an axial direction of the tie rod and is configured and arranged to maintain a cured state at an operating temperature. | 11-08-2012 |
20120288782 | STABLE ULTRALYOPHOBIC COATING FOR PEMFC BIPOLAR PLATE WATER MANAGEMENT - An electrode plate is disclosed. The electrode plate includes a plate having an active area, a feed region in fluid communication with the active region, and a tunnel region in fluid communication with the feed region and a manifold region, an ultralyophobic coating on one or more of at least a portion of the tunnel region, at least a portion of the feed region, and an interface between the tunnel region and the manifold region. Fuel cells using the electrode plate and methods of making electrode plates are also described. | 11-15-2012 |
20120321981 | FUEL CELL SYSTEM WITH INTERCONNECT - The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. | 12-20-2012 |
20130004881 | COMPOSITE COATINGS FOR OXIDATION PROTECTION - The invention disclosed relates to an oxidized metal matrix composite coated substrate, comprising a substrate made of a material selected from the group consisting of a chromia-forming Fe, Ni and/or Co based alloy containing an amount of Cr ranging from 16 to 30 wt %, and an oxide-dispersion strengthened Cr-based alloy and a plain Cr-based alloy, and an oxidized metal matrix composite coating comprising at least two metals and reactive element oxide particles in the form of a tri-layer scale on the substrate surface comprising an inner chromia layer, an intermediate layer of a spinel solid solution formed by Cr and one or more of the deposited metals selected from the group consisting of Ni, Co, Cu, Mn, Fe and Zn and a mixture thereof, and an electrically conductive top layer comprising oxides of one or more deposited metals selected from the group consisting of Ni, Co, Cu, Fe, Mn, Zn and a mixture thereof, which is substantially free from Cr ions, and wherein one or more of such layers contain particles of doped or undoped oxides of a rare earth metal selected from the group consisting of Ce, Y, La, Hf, Zr, Gd and a mixture thereof. | 01-03-2013 |
20130045434 | FORM AND FILL SUBGASKET - A method for manufacturing a subgasket for a fuel cell stack having a pair of plates disposed in a stack includes the step of positioning a membrane between the plates. The membrane includes an inboard portion and a tortuous form portion. The inboard portion abuts a proton exchange membrane of the fuel cell, and the tortuous form portion abuts each of the plates. The tortuous form portion defines at least one cavity between one of the plates and the membrane. A viscous sealant is injected into the cavity. The sealant is cured to form a compliant bead seal on the membrane. | 02-21-2013 |
20130052559 | Fuel Cell, Fuel Cell Device, Fuel Cell Module, and Fuel Cell Apparatus - A fuel cell capable of suppressing deformation resulting from reduction treatment, a fuel cell device, a fuel cell module, and a fuel cell apparatus are provided, A fuel cell includes a solid electrolyte layer, a fuel electrode layer disposed on the solid electrolyte layer, and an interconnector and an adjustment layer which are disposed on the fuel electrode layer, the interconnector expanding in a reduction atmosphere and the adjustment layer shrinking in a reduction atmosphere, or the interconnector shrinking in a reduction atmosphere and the adjustment layer expanding in a reduction atmosphere. Accordingly, a fuel cell capable of suppressing deformation resulting from reduction treatment can be provided. | 02-28-2013 |
20130059225 | FUEL CELL COMPRISING A MEMBRANE HAVING LOCALIZED IONIC CONDUCTION AND METHOD FOR MANUFACTURING SAME - A fuel cell is provided with an individual cell having first and second electrodes and a membrane formed by a polymer electrolyte including an ionically conducting part. The polymer electrolyte includes at least an ionically non-conducting part forming a first inactive area localized on a first uncovered part not covered by the first electrode and/or a second inactive area localized on a second uncovered part not covered by the second electrode. A cover encloses the cell and is provided with an inner wall mechanically fixed onto at least the first or second inactive area by adhesion means. | 03-07-2013 |
20130065154 | HYDROCARBON COMPOSITE ELECTROLYTE MEMBRANE FOR FUEL CELL - The present invention provides a hydrocarbon composite electrolyte membrane for a fuel cell, which is formed of an inexpensive hydrocarbon electrolyte membrane to ensure mechanical and thermochemical stability. The present invention provides a hydrocarbon composite electrolyte membrane for a fuel cell, the hydrocarbon composite electrolyte membrane including at least one composite electrolyte membrane layer having a structure in which graphene nanostructures are impregnated into a hydrocarbon electrolyte membrane. | 03-14-2013 |
20130071768 | MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL STACK - A membrane electrode assembly including an electrolyte membrane; a catalyst layer on the electrolyte membrane; a gas diffusion layer attached to the catalyst layer; and an adhesive layer between the electrolyte membrane and the gas diffusion layer around an outer edge of the catalyst layer, and a fuel cell stack including a plurality of unit cells, each including one of the membrane electrode assemblies. | 03-21-2013 |
20130071769 | FUEL CELL - Disclosed is a fuel cell provided with a membrane electrode structure having a frame, two separators that sandwich the membrane electrode structure therebetween, and gas seals between the end portion of the frame and the end portions of respective separators, and diffuser sections for distributing a reacting gas to between the frame and respective separators. In the diffuser section on the cathode side, the frame is provided with a protruding section in contact with the separator, and in the diffuser section on the anode side, the frame and the separator are disposed by being spaced apart from each other, thereby excellently maintaining contact surface pressure between the membrane electrode structure and the separators, and preventing contact resistance from being increased. | 03-21-2013 |
20130122390 | METHOD OF CONTROLLING THICKNESS OF FORM-IN-PLACE SEALING FOR PEM FUEL CELL STACKS - A sealed assembly is made using sealant including a deformable spacer to control thickness without adversely impacting elasticity and sealing force. Deformable spacers (e.g., elastomer, polyolefin, etc.) are mixed with an elastomeric precursor material and dispensed onto an assembly component, such as a fuel cell bipolar plate, and the remaining component(s) are assembled by pressing against the deformable spacer to ensure a defined seal thickness. The precursor is cured to form a seal that is further compressed to provide an effective sealing force. The deformable spacers control the thickness of a sealed area and allow use of form-in-place sealing processes. | 05-16-2013 |
20130122391 | ELECTRODE FOR USE IN A FUEL CELL - The disclosed electrode for use in a fuel cell comprises a flexible carbon-fiber nonwoven fabric and a fuel-cell catalyst, such as a metal catalyst or a carbon-alloy catalyst, supported on the surfaces of the carbon fibers constituting the flexible carbon-fiber nonwoven fabric. Said flexible carbon-fiber nonwoven fabric is formed by carbonizing a nonwoven fabric obtained by electrospinning a composition containing: an electrospinnable macromolecular substance; an organic compound that is different from said macromolecular substance; and a transition metal. This structure allows the provision of an electrode, for use in a fuel cell, which uses a flexible carbon-fiber nonwoven fabric as a substrate and combines the functions of a gas-diffusion layer and an electrocatalyst layer. | 05-16-2013 |
20130122392 | FUEL CELL COMPRISING A PLURALITY OF BASIC CELLS CONNECTED IN SERIES, AND METHOD FOR MANUFACTURING SAME - Adjacent elementary cells are connected in series by connecting elements, each of which is arranged in an interconnection area. The connecting elements are separated from the respective electrolytic membranes of the two adjacent cells to be connected thereby. In this way, they are never in contact with these electrolytic membranes. For one of the two cells, the connecting element is separated from the electrolytic membrane by an empty space, whereas for the other cell, it is separated from the electrolytic membrane by a thin barrier layer designed to act as buffer area for variations in volume of said membrane when the cell is in operation. The thin barrier layer is formed by a polymer material having a lower water absorption capacity than that of the polymer material constituting the electrolytic membrane of the cell. | 05-16-2013 |
20130143139 | ELECTROCHEMICAL DEVICE AND METHODS FOR ENERGY CONVERSION - The present invention relates to an electrochemical device. The device features an anode constructed of materials such that the device can be chemically recharged. In addition, the device is capable of switching between operating as a fuel cell or as a battery. The switch can occur without cessation of electrical output. In certain aspects of the invention, the device is capable of operating at a temperature of less than 1000° C. Other aspects feature a liquid anode which allows higher output, dispersion of fuel and minimal stresses in an interface comprising the anode. Preferably the anode is a liquid at a temperature of less than 1000° C. The invention also relates to methods for energy conversion in which a continual electrical output can be produced in both the presence of fuel without anode consumption or the absence of fuel. | 06-06-2013 |
20130183602 | PROTON-CONDUCTING MEMBRANE AND USE THEREOF - The present invention relates to a novel proton-conducting polymer membrane based on polyazole polymers which, owing to their outstanding chemical and thermal properties, can be used widely and are suitable in particular as polymer electrolyte membrane (PEM) for producing membrane electrode assemblies or so-called PEM fuel cells. | 07-18-2013 |
20130183603 | PROTON-CONDUCTING MEMBRANE, METHOD FOR THEIR PRODUCTION AND THEIR USE IN ELECTROCHEMICAL CELLS - The present invention relates to a novel proton-conducting polymer membrane based on polyazole polymers which, owing to their outstanding chemical and thermal properties, can be used widely and are suitable in particular as polymer electrolyte membrane (PEM) for producing membrane electrode assemblies or so-called PEM fuel cells. | 07-18-2013 |
20130196244 | FUEL CELL AND FUEL CELL MODULE - A base as a support in a fuel cell is provided with a plurality of through holes. An electrolyte membrane covers the entirety of the base facing the anode and is partly embedded in the plurality of through holes. A cathode is embedded in the through holes such that each block is in an isolated area bounded by the base and the electrolyte membrane. A current collector is provided on the blocks of the cathode and on the base partitioning the cathode. The current collector is secured to the base by a securing member. | 08-01-2013 |
20130202983 | FUEL CELL STACK - A fuel cell stack includes fuel cells stacked in a stacking direction, a first end plate a second end plate, and first tightening members and second tightening members. The first tightening members couple long sides of the first end plate and long sides of the second end plate, and extend in the stacking direction. The second tightening members couple short sides of the first end plate and short sides of the second end plate, and extend in the stacking direction. Extensions are formed on both of long sides of the fuel cell, and the first tightening members have recessed portions engaged with the extensions. | 08-08-2013 |
20130216930 | INTERCONNECT-TYPE SOLID OXIDE FUEL CELL AND FUEL CELL STACK HAVING THE SAME - An interconnecting-type solid oxide fuel cell is disclosed. The fuel cell includes a unit cell, a first current collecting member, a first insulating member, and a second current collecting member. The unit cell has a first electrode layer, an electrolyte layer, and a second electrode layer sequentially formed from an inside thereof, and has an interconnector configured for electrical connection to the first electrode layer and exposed to an outside thereof in a state in which the interconnector is insulated from the second electrode layer. The first current collecting member is formed on an outside of the interconnector and configured to collect current. The first insulating member is formed on an outside of the first current collecting member. The second current collecting member is wound around an outer circumferential surface of the second electrode layer and an outside of the first insulating member. | 08-22-2013 |
20130230788 | SOLID OXIDE FUEL CELL - A solid oxide fuel cell includes a first cell, a second cell and an interconnector. The first cell and the second cell respectively include an anode containing NiO and CaZrO | 09-05-2013 |
20130266885 | FUEL CELL STACK AND FUEL CELL COMPRISING THE SAME - A fuel cell stack includes a membrane electrode assembly, plates on the membrane electrode assembly, and gaskets between the plates, where the membrane electrode assembly includes an electrolyte membrane-electrode including an electrolyte membrane between first and second electrodes thereof, and gas diffusion layers in contact with the first and second electrodes, where the gaskets are in contact with the plates and surround the membrane electrode assembly, where a ratio of change in compressibility of the gaskets is in a range from 0.5 times to 1.5 times a ratio of change in compressibility of the gas diffusion layers at a same compressibility, where a compressibility is a ratio of a reduced thickness to an initial thickness, and where the ratio of change in compressibility is defined by Equation 1 below: Ratio of change in compressibility=ΔP/Δt, where ΔP denotes a pressure change, and Δt denotes a thickness change. | 10-10-2013 |
20130273451 | FLAT TUBULAR OR PLATE TYPE SOLID OXIDE FUEL CELL - The present invention relates to a solid oxide fuel cell, which includes a plurality of unit cells and a connection layer between the plurality of unit cells, wherein each of the unit cells includes an anode, a cathode and a solid electrolyte between the anode and the cathode, and the connection layer includes i) a first layer containing La-ferrite including one or more selected from the group consisting of Sr, Ca and Ba; and ii) a second layer containing La-ferrite including one or more selected from the group consisting of Sr, Ca and Ba, and one or more cerias selected from the group consisting of GDC (Gd doped ceria), LDC (La-doped ceria) and SDC (Sm-doped ceria), wherein the first layer is in contact with the cathode of each of the unit cells and the second layer is in contact with the anode of each of the unit cells. | 10-17-2013 |
20130337360 | FUEL CELL COMPONENTS HAVING POROUS ELECTRODES - An SOFC component includes a first electrode, an electrolyte overlying the first electrode, and a second electrode overlying the electrolyte. The second electrode includes a bulk layer portion and a functional layer portion, the functional layer portion being an interfacial layer extending between the electrolyte and the bulk layer portion of the second electrode, wherein the bulk layer portion has a bimodal pore size distribution. | 12-19-2013 |
20130337361 | FUEL CELL AND METHOD FOR PRODUCING THE SAME - Composite members, a fuel cell and manufacturing method, where the composite members are mounted on a base and comprise a first insulator and a second insulator layered on either side of an interconnector, exposed in a chamfered portion on opposite corners. Between a pair of the composite members is formed an electrolyte film. An anode is formed so as to cover the anode surface of the electrolyte film and an anode-side protrusion. The anode formed at the top of anode-side protrusion is stripped, forming a flat exposed surface on the top of the anode-side protrusion. A cathode is formed so as to cover the cathode surface of the electrolyte film and a cathode-side protrusion. The cathode formed on the top of the cathode-side protrusion is stripped using a spatula, a blade, etc., forming a flat exposed surface on the top of the cathode-side protrusion. | 12-19-2013 |
20130337362 | FUEL CELL AND METHOD FOR PRODUCING THE SAME - Producing a fuel cell including preparing a plurality of composite units each including an interconnector sandwiched between a first insulating layer and a second insulating layer, forming a groove extending substantially parallel to a direction in which the interconnector extends, in which the first insulating layer and the second insulating layer each have an upper surface and a lower surface and the groove is formed either in the upper surface of the first insulating layer or the lower surface of the second insulating layer or in both the upper surface of the first insulating layer and the lower surface of the second insulating layer. The method further includes spacing the plurality of composite units such that the first insulating layer and the second insulating layer of the composite units adjacent to each other face each other; forming an electrolyte membrane between two of the composite units adjacent to each other. | 12-19-2013 |
20140004440 | ULTRALOW LOADING FUEL CELL CATALYST | 01-02-2014 |
20140017587 | SOLID OXIDE FUEL CELL BONDING MATERIAL, SOLID OXIDE FUEL CELL, AND SOLID OXIDE FUEL CELL MODULE - A solid oxide fuel cell bonding material contains a glass ceramic layer containing glass ceramic, and a constrained layer laminated on the glass ceramic layer. A solid oxide fuel cell employing the solid oxide fuel cell bonding material is also described. | 01-16-2014 |
20140023951 | MEDIUM-TO-LOW TEMPERATURE HIGH-EFFICIENCY ELECTROCHEMICAL CELL AND ELECTROCHEMICAL REACTION SYSTEM COMPRISING SAME - An electrochemical cell including a fuel electrode having an interface with a fuel gas, a dense ion conductor (electrolyte) and an air electrode having an interface with air (oxygen) layered in this order, the fuel electrode and the air electrode are not in contact with each other and are separated by an electrolyte, and including a functional layer having a porous structure and promoting electrochemical reactions is layered on part or all of a fuel electrode surface that is an interface with the fuel gas. The electrochemical cell allows a high-efficiency electrochemical reaction system that utilizes a gaseous hydrogen fuel that significantly lowers resistance derived from internal diffusion of a gaseous hydrogen fuel gas in a fuel electrode, and makes it possible to achieve, at a single-cell level, a generation efficiency of 40% or more even in a medium-to-low-temperature region at or below 700° C. | 01-23-2014 |
20140030625 | VOLTAGE REVERSAL TOLERANT FUEL CELL WITH SELECTIVELY CONDUCTING ANODE - Use of a selectively conducting anode component in solid polymer electrolyte fuel cells can reduce the degradation associated with repeated startup and shutdown, but unfortunately can also adversely affect a cell's tolerance to voltage reversal. Use of a carbon sublayer in such cells can improve the tolerance to voltage reversal, but can adversely affect cell performance. However, employing an appropriate selection of selectively conducting material and carbon sublayer, in which the carbon sublayer is in contact with the side of the anode opposite the solid polymer electrolyte, can provide for cells that exhibit acceptable behaviour in every regard. A suitable selectively conducting material comprises platinum deposited on tin oxide. | 01-30-2014 |
20140045091 | FUEL CELL AND METHOD OF MANUFACTURING THE SAME - Disclosed herein are a fuel cell and a method of manufacturing the same, the fuel cell including a support having a corrugated surface and containing a metal, an integrated stack adhered to the surface of the support and including an anode and an electrolyte sequentially formed therein, and a cathode formed on the integrated stack. According to the present invention, since the anode, the electrolyte, and the like, are manufactured in a sheet shape to thereby be adhered to the support, a sintering process may be minimized, such that a manufacturing process may be simplified and manufacturing cost may be reduced. | 02-13-2014 |
20140065510 | ELECTROCHEMICAL DEVICE COMPRISING COMPOSITE BIPOLAR PLATE AND METHOD OF USING THE SAME - An electrochemical device and methods of using the same. In one embodiment, the electrochemical device may be used as a fuel cell and/or as an electrolyzer and includes a membrane electrode assembly (MEA), an anodic gas diffusion medium in contact with the anode of the MEA, a cathodic gas diffusion medium in contact with the cathode, a first bipolar plate in contact with the anodic gas diffusion medium, and a second bipolar plate in contact with the cathodic gas diffusion medium. Each of the bipolar plates includes an electrically-conductive, chemically-inert, non-porous, liquid-permeable, substantially gas-impermeable membrane in contact with its respective gas diffusion medium, as well as a fluid chamber and a non-porous an electrically-conductive plate. | 03-06-2014 |
20140080029 | SOLID OXIDE FUEL CELL, FUEL CELL STACK SYSTEM, FUEL CELL MODULE, AND FUEL CELL SYSTEM - A solid oxide fuel cell having an electric power generating element unit that is configured by sandwiching a solid electrolyte layer between a fuel electrode layer and an oxygen electrode layer with a pore that is present in the solid electrolyte layer and is covered with a sealing material. In addition, a pore that is present in an interconnector, which is electrically connected to the fuel electrode layer or the oxygen electrode layer, is covered with the sealing material. Consequently, the solid oxide fuel cell is capable of easily preventing gas leakage. | 03-20-2014 |
20140093807 | FUEL CELL SUBASSEMBLIES INCORPORATING SUBGASKETED THRIFTED MEMBRANES - A fuel cell roll good subassembly is described that includes a plurality of individual electrolyte membranes. One or more first subgaskets are attached to the individual electrolyte membranes. Each of the first subgaskets has at least one aperture and the first subgaskets are arranged so the center regions of the individual electrolyte membranes are exposed through the apertures of the first subgaskets. A second subgasket comprises a web having a plurality of apertures. The second subgasket web is attached to the one or more first subgaskets so the center regions of the individual electrolyte membranes are exposed through the apertures of the second subgasket web. The second subgasket web may have little or no adhesive on the subgasket surface facing the electrolyte membrane. | 04-03-2014 |
20140106254 | FUEL CELL STACK - A unit cell of a fuel cell stack includes separators. Load receivers provided in the separators include projections, for example. The proximal ends of the projections are depressed to form inner curves. In the structure, sufficient flexibility of the projection is achieved. That is, when a force in a direction perpendicular to a stacking direction of fuel cell stack is applied to the projection, the projection is deformed in the direction perpendicular to the stacking direction. | 04-17-2014 |
20140134515 | SOFC STACK WITH TEMPERATURE ADAPTED COMPRESSION FORCE MEANS - A fuel cell stack includes a stack body formed by stacking a plurality of solid oxide fuel cells in a stacking direction. The fuel cell stack includes wall plate members and fuel cell support members. The wall plate members are provided in the stacking direction of the stack body around the sides of the stack body. Each of the fuel cell support members includes a composite layer made of composite material of alumina fiber and vermiculite. The fuel cell support members are interposed between the wall plate members and the sides of the stack body, and apply a load to the sides of the stack body in directions of a separator surface. | 05-15-2014 |
20140141352 | FUEL CELL STACK - A fuel cell stack has an asymmetrical triangular inlet buffer. An inlet connection channel connects a coolant supply passage on the upper side and the inlet buffer, and an inlet connection channel connects a coolant supply passage on the lower side and the inlet buffer. The number of flow grooves in the inlet connection channel is different from the number of flow grooves in the inlet connection channel. | 05-22-2014 |
20140162165 | FUEL CELL STACK INCLUDING COOLING PLATE FOR IMPROVING TEMPERATURE DISTRIBUTION - A fuel cell stack includes a first separating plate, a second separating plate corresponding to the first separating plate, a plurality of cells comprising a membrane electrode assembly disposed between the first separating plate and the second separating plate, and a cooling plate disposed between the plurality of cells, where a cooling channel is defined at opposing surfaces of the cooling plate. | 06-12-2014 |
20140162166 | FUEL CELL STACK - In a fuel cell stack, knock pins extending in a stacking direction are provided between a first end plate and a second end plate for positioning a stack body. The first end plate and the second end plate have insertion holes for insertion of knock pins. A diameter-increasing surface is formed in an inner circumferential surface of each insertion hole in a direction spaced from the knock pin to increase the diameter of the insertion hole. | 06-12-2014 |
20140162167 | GAS DIFFUSION LAYER FOR FUEL CELL APPLICATIONS - A gas diffusion layer (GDL) for fuel cell applications that can prevented channels of a bipolar plate from being intruded. The gas diffusion layer is manufactured by cutting a GDL material at a certain angle such that a machine direction of the inherent high stiffness of the GDL material is not in parallel with a major flow field direction of a bipolar plate to prevent the GDL intrusion into the channels of the bipolar plate without modifying an existing method for manufacturing the gas diffusion layer. With the gas diffusion layer, the electrochemical performance of the fuel cell can be improved and manufacturing process can be improved even in the case where the width of the rolled GDL material is small. | 06-12-2014 |
20140178787 | SOLID OXIDE FUEL CELL ASSEMBLY AND METHOD FOR FORMING SEAL - Disclosed herein is a solid oxide fuel cell assembly, including: one or more unit cell, a box-shaped housing provided in the unit cell so as to prevent fuel and air from contacting with each other; a metal plate provided with one or more penetration hole in a plate shape partitioning the housing so as to prevent fuel and air from contacting with each other; and a seal sealing a spaced gap between an outer circumferential surface of the unit cell and a penetration hole of a metal plate. The preferred embodiment of the present invention provides the reliable sealed state between the unit cell and the metal plate by using the seal formed of a sealant, a bonding material, and a sealing material. | 06-26-2014 |
20140186741 | SERIES-CONNECTED FUEL CELL ASSEMBLY - A series-connected fuel cell assembly includes a plurality of electrode plates and a plurality of exchange membranes. Each of the exchange membranes is held between two of the electrode plates. The electrode plates include at least three outer electrode plates, each of which is provided with a connecting surface. The connecting surface of one of the outer electrode plates faces toward the connecting surfaces of two of the other outer electrode plates. At least one of the exchange membranes is located between every two face-to-face connecting surfaces of the outer electrode plates. As a result, the series-connected fuel cell assembly has the advantages of less thickness, high voltage, simple manufacturing process, and low cost. | 07-03-2014 |
20140193738 | CELL FOR FUEL-CELL BATTERY USING A PROTON EXCHANGE MEMBRANE, WITH GAS DIFFUSION LAYERS OF DIFFERENT RIGIDITY AT THE ANODE AND AT THE CATHODE - A cell structure for a fuel-cell battery, which allows the compromise necessary between the reduction in the non-uniformities of mechanical stress to be optimized, with the aim of obtaining a more uniform operation, and the independent accommodation with respect to the defects in planarity/thickness/alignment, while at the same time meeting the compactness constraint, comprises: a membrane/electrode assembly comprising a first electrode and a second electrode separated by a membrane; a gas diffusion layer stacked on each face of the assembly, between an electrode of the assembly and a current collector plate; and the gas diffusion layers stacked on either side of the assembly do not have the same rigidity, one of the gas diffusion layers having a Young's modulus relative to an applied stress in the direction of the thickness, greater than the Young's modulus of the other layer, in a ratio of the order of at least 100. | 07-10-2014 |
20140212784 | SOLID OXIDE FUEL CELL AND INTER-CONNECTOR - A solid oxide fuel cell includes a fuel cell body and an inter-connector. The inter-connector has a base portion and a plurality of projecting portions projecting from the base portion toward the fuel cell body and electrically connected to the fuel cell body, and is integrally formed from a metallic material. Each of the projecting portions has a contour composed of a pair of linear portions which are disposed parallel to each other and each of which includes a straight line, and a pair of curved portions which connect opposite ends of the linear portions. | 07-31-2014 |
20140212785 | FUEL CELL STACK - A fuel cell stack includes a stacked body, insulators, end plates, heat insulating members, and terminal plates. In the stacked body, a plurality of power generation cells are stacked in a stacking direction. Each of the plurality of power generation cells includes a separator and an electrolyte electrode assembly which includes an electrolyte and a pair of electrodes sandwiching the electrolyte therebetween. The stacked body has a first end portion and a second end portion opposite to the first end portion in the stacking direction. The insulators are provided at the first end portion and the second end portion of the stacked body, respectively. Each of the insulators has a recessed portion that faces toward the stacked body. The end plates are provided on the insulators, respectively. The heat insulating members are each provided in the recessed portion. The terminal plates are each provided in the recessed portion. | 07-31-2014 |
20140212786 | SOLID OXIDE FUEL CELL, CELL STACK DEVICE, FUEL CELL MODULE, AND FUEL CELL DEVICE - A solid oxide fuel cell, a cell stack device, a fuel cell module and a fuel cell device are disclosed. The solid oxide fuel cell includes a solid electrolyte layer, fuel electrode layer and an oxygen electrode layer. The solid electrolyte layer has gas blocking properties and includes first and second main surfaces opposite to each other. The fuel electrode layer is disposed on the first main surface while the oxygen electrode layer is disposed on the second main surface of the solid electrolyte layer. A thickness of the solid electrolyte layer is 40 μm or less. Porosity of the solid electrolyte layer in an arbitrary cross section thereof is 3 to 15% by area. An average pore diameter of pores in the solid electrolyte layer is 2 μm or less. | 07-31-2014 |
20140255816 | TITANIUM MATERIAL FOR POLYMER ELECTROLYTE FUEL CELL SEPARATOR, METHOD FOR PRODUCING THE SAME, AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME - A titanium material for a polymer electrolyte fuel cell separator consists of, by mass %, a platinum group metal: 0.005% to 0.15% and a rare earth metal: 0.002% to 0.10%, with the balance being Ti and impurities. The titanium material of the present invention is provided with a film formed of a titanium oxide and a platinum group metal on the surface thereof. It is preferred that the film has a thickness of 50 nm or less, and that the concentration of the platinum group metal on the surface of the film is 1.5% by mass or more. With the thus formed film, the titanium material of the present invention is capable of achieving a reduction in initial contact resistance and ensuring good corrosion resistance. In the titanium material of the present invention, the rare earth metal is preferably Y, and the platinum group metal is preferably Pd. | 09-11-2014 |
20140295312 | SYSTEMS AND METHODS FOR CONFIGURING A FUEL CELL HAVING LOWER COOLANT PATH ISOLATION RESISTANCE - System and methods relating to a configuration for a fuel cell system having lower coolant path isolation resistances are disclosed. In certain embodiments, the fuel cell system may include a first fuel cell substack comprising a first plurality of cells. The fuel cell system may further include a second fuel cell substack comprising a second plurality of cells. The first and second fuel cell substacks may share at least one terminal and/or share a common wet end. A coolant system may be coupled to the first fuel cell substack and the second fuel cell substack and be configured to remove heat generated by the first fuel cell substack and the second fuel cell stack during operation of the fuel cell system using a coolant. | 10-02-2014 |
20140295313 | SANBORNITE-BASED GLASS-CERAMIC SEAL FOR HIGH-TEMPERATURE APPLICATIONS - A glass-ceramic seal for ionic transport devices such as solid oxide fuel cell stacks or oxygen transport membrane applications. Preferred embodiments of the present invention comprise glass-ceramic sealant material based on a Barium-Aluminum-Silica system, which exhibits a high enough coefficient of thermal expansion to closely match the overall CTE of a SOFC cell/stack (preferably from about 11 to 12.8 ppm/° C.), good sintering behavior, and a very low residual glass phase (which contributes to the stability of the seal). | 10-02-2014 |
20140342267 | Corrosion Resistant Barrier Layer for a Solid Oxide Fuel Cell Stack and Method of Making Thereof - A method of forming diffusion barrier layer includes providing an interconnect for a fuel cell stack, forming a glass barrier precursor layer over a Mn and/or Co containing electrically conductive contact layer on the interconnect, and heating the barrier precursor layer to precipitate crystals in the barrier precursor layer to convert the barrier precursor layer to a glass ceramic barrier layer. | 11-20-2014 |
20140363754 | POLYMER ELECTROLYTE COMPOSITION, ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY AND FUEL CELL - Provided are a polymer electrolyte composition, an electrolyte membrane, a membrane electrolyte assembly, and a fuel cell. The polymer electrolyte composition according to an exemplary embodiment of this application includes a first solvent, a second solvent which is different from the first solvent, and a polymer which is reacted with the first solvent and the second solvent, in which the polymer includes a functional group which reacts with the first solvent by a first reaction energy and with the second solvent by a second reaction energy, and the second reaction energy is smaller than the first reaction energy. | 12-11-2014 |
20140377681 | AIR-BREATHING FUEL CELL AND CELL STACK FOR THE OXIDATION OF IONS USING OXYGEN - The invention describes an air-breathing fuel cell for the oxidation of ions with air or oxygen, having an anode half cell and a cathode half cell. A first ion-conducting membrane and a second ion-conducting membrane is introduced between the half cells, and the second ion-conducting membrane is coated at least in regions on the side orientated towards the cathode half cell with a catalyst for the reduction of oxygen. According to the invention, the air-breathing fuel cell is characterised in that an oxidation zone for the oxidation of ions with negative standard electrode potential is provided between the ion-conducting membranes. | 12-25-2014 |
20150010843 | MEMBRANE-ELECTRODE ASSEMBLY FOR FUEL CELL AND FUEL CELL STACK INCLUDING SAME - A membrane-electrode assembly for a fuel cell that includes a polymer electrolyte membrane is disclosed. The membrane-electrode assembly for a fuel cell further includes an anode disposed on one side of the polymer electrolyte membrane and including an anode gas diffusion layer and a cathode disposed on the other side of the polymer electrolyte membrane and including a cathode gas diffusion layer. At least one of the anode gas diffusion layer and the cathode gas diffusion layer includes a water reservoir. The water reservoir includes a pore and a hydrophilic polymer inside the pore. A fuel cell stack including the membrane-electrode assembly is also disclosed. | 01-08-2015 |
20150030958 | INTERCONNECTOR MATERIAL, INTERCELLULAR SEPARATION STRUCTURE, AND SOLID ELECTROLYTE FUEL CELL - Provided is an interconnector material which is chemically stable in both oxidation atmospheres and reduction atmospheres, has a high electron conductivity (electric conductivity), a low ionic conductivity, does not contain Cr, and enables a reduction in sintering temperature. The interconnector material is arranged between a plurality of cells each composed of an anode layer, a solid electrolyte layer, and a cathode layer stacked sequentially, and electrically connects the plurality of cells to each other in series in a solid electrolyte fuel cell. The interconnector is formed of a ceramic composition represented by the composition formula La(Fe | 01-29-2015 |
20150037704 | FUEL CELL - Disclosed is a fuel cell including a support which is made of a metal porous base material and disposed between a membrane electrode assembly and at least either of first ribs and second ribs. Contact surfaces of the first ribs and contact surfaces of the second ribs with the membrane electrode assembly or the support are offset from each other in a cross sectional view in the direction orthogonal to a gas passage direction. | 02-05-2015 |
20150037705 | FUEL CELL STACK - A fuel cell stack includes cell units stacked on one another and each including a membrane electrode assembly and two separators defining gas passages on both sides of the membrane electrode assembly, a cooling fluid passage for flowing a cooling fluid provided between the separators of each adjacent two of the cell units, and a displacement absorber provided in the cooling fluid passage. The displacement absorber includes elastic protrusions provided in an array and configured to elastically absorb a displacement of the cell units in a stack direction, and flow-spread preventing protrusions provided in an array and configured to prevent the cooling fluid from flowing out of an active area. | 02-05-2015 |
20150044592 | FUEL CELL STACK - In a fuel cell stack, voltage detecting terminals are disposed on a second separator and a third separator of a power generation unit, whereas a voltage detecting terminal is not disposed on a first separator of the power generation unit. Among terminal plates of the fuel cell stack, another voltage detecting terminal is disposed only on the terminal plate that is in contact with the first separator. | 02-12-2015 |
20150056534 | MEMBRANE ELECTRODE ASSEMBLIES AND ASSOCIATED FUEL CELLS - The description relates to fuel cells and fuel cell systems. One example includes at least one multi cell membrane electrode assembly (MCMEA). Individual MCMEAs can include multiple serially interconnected sub-cells. | 02-26-2015 |
20150056535 | MULTI-LAYER COATING - A multi-layer coating for protection of metals and alloys against oxidation at high temperatures is provided. The invention utilizes a multi-layer ceramic coating on metals or alloys for increased oxidation-resistance, comprising at least two layers, wherein the first layer ( | 02-26-2015 |
20150064596 | Process for Forming a Metal Supported Solid Oxide Fuel Cell - A process for forming a metal supported solid oxide fuel cell is provided. The process can include the steps of: a) applying a green anode layer including nickel oxide and a rare earth-doped ceria to a metal substrate; b) prefiring the anode layer under non-reducing conditions to form a composite; c) firing the composite in a reducing atmosphere to form a sintered cermet; d) providing an electrolyte; and e) providing a cathode; wherein the reducing atmosphere comprises an oxygen source, a metal supported solid oxide fuel cell formed during this process, fuel cell stacks and the use of these fuel cells. | 03-05-2015 |
20150064597 | Metal Supported Solid Oxide Fuel Cell - A process for forming a metal supported solid oxide fuel cell, the process comprising the steps of: a) applying a green anode layer including nickel oxide, copper oxide and a rare earth-doped ceria to a metal substrate; b) firing the green anode layer to form a composite including oxides of nickel, copper, and a rare earth-doped ceria; c) providing an electrolyte; and d) providing a cathode. Metal supported solid oxide fuel cells comprising an anode a cathode and an electrolyte, wherein the anode includes nickel, copper and a rare earth-doped ceria, fuel cell stacks and uses of these fuel cells. | 03-05-2015 |
20150072262 | MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL, FUEL CELL STACK, AND METHOD FOR MANUFACTURING MEMBRANE ELECTRODE ASSEMBLY - A membrane electrode assembly is a membrane electrode assembly in which a first porous body is stacked on a surface of a catalyst layer and a second porous body is stacked on the first porous body. The first porous body has a low porosity at portions in contact with solid-phase portions of the second porous body, and has a relatively high porosity at portions facing gas-phase portions of the second porous body. | 03-12-2015 |
20150072263 | ELECTROCHEMICAL CELLS HAVING CURRENT-CARRYING STRUCTURES UNDERLYING ELECTROCHEMICAL REACTION LAYERS - An electrochemical cell structure has an electrical current-carrying structure which, at least in part, underlies an electrochemical reaction layer. The cell comprises an ion exchange membrane with a catalyst layer on each side thereof. The ion exchange membrane may comprise, for example, a proton exchange membrane. Some embodiments of the invention provide electrochemical cell layers which have a plurality of individual unit cells formed on a sheet of ion exchange membrane material. | 03-12-2015 |
20150079494 | SOLID OXIDE FUEL CELL INTERCONNECT CELLS - A bonding layer, disposed between an interconnect layer and an electrode layer of a solid oxide fuel cell article, may be formed from a yttria stabilized zirconia (YSZ) powder having a monomodal particle size distribution (PSD) with a d | 03-19-2015 |
20150093677 | SOLID OXIDE FUEL CELL STACK - Provided is a solid oxide fuel cell stack including: a porous insulating support having a gas permeability and provided with a gas flow path therein; and a plurality of power generating elements which are provided on the insulating support and each of which includes an inner electrode, an electrolyte. An outer electrode, the inner electrode, the electrolyte and the outer electrode are sequentially laminated one another, and the inner electrode of one of adjacent two of the plurality of power generating elements is electrically connected to the outer electrode of the other of the adjacent two of the plurality of power generating elements via an interconnector, so that the plurality of power generating elements are connected in series, wherein the insulating support comprises forsterite, the insulating support contains a Mg element and a Si element with a concentration of 90 mass % or more in total in terms of MgO and SiO | 04-02-2015 |
20150111125 | ALIGNMENT FEATURE AND METHOD FOR ALIGNMENT IN FUEL CELL STACKS - Alignment features and methods for their use are disclosed for purposes of aligning adjacent bipolar plates, and also optionally the membrane electrode assemblies as well as the plates making up the bipolar plates, during assembly of solid polymer electrolyte fuel cell stacks. The alignment features are located within common datum openings and advantageously can be in-plane with the bipolar plates. This provides for improved alignment and manufacturability. | 04-23-2015 |
20150118593 | FUEL CELL STACK - A fuel cell stack includes: a cell stack structure formed by stacking a plurality of cells; a pair of current collectors; a pair of end members; and a fastener band wrapped around a cell stack formed by stacking the cell stack structure, the pair of current collectors, and the pair of end members. Each of the pair of end members includes a plurality of plate members. The plate members have a same arched shape in which a height from a surface to contacting a corresponding one of the pair of current collectors gradually increases toward a center portion from both ends, and are disposed in parallel while being apart from each other in a width direction of the fastener band. Adjacent plate members are coupled to each other through a bendable coupling member at part of facing surfaces. | 04-30-2015 |
20150125779 | METHOD FOR CONDITIONING MEMBRANE-ELECTRODE-UNITS FOR FUEL CELLS - The present invention relates to a method for the conditioning of membrane electrode assemblies for fuel cells in which the output of the membrane electrode assemblies used can be increased and therefore the efficiency of the resulting polymer electrolyte membrane fuel cells can be improved. | 05-07-2015 |
20150140467 | FUEL CELL WITH IMPROVED ELECTRIC INSULATION - A fuel cell is provided. The fuel cell includes a stack of at least one electrochemical cell, suitable for generating an electric current from an oxidation-reduction reaction between an oxidizing fluid and a reducing fluid, the or each cell including an anode conductive plate, delimiting a channel for circulation of the reducing fluid, a cathode conductive plate, delimiting a channel for circulation of the oxidizing fluid, and an ion exchanger membrane interposed between the conductive plates, the membrane forming a barrier for free electrons. The membrane may be positioned relatively to the conductive plates so that an outer peripheral edge of the membrane juts out towards the outside of the stack relatively to the conductive plates, so as to lengthen air leak lines between the conductive plates. | 05-21-2015 |
20150295267 | FUEL CELL STACK - A fuel cell stack has at least two cell modules, each of which includes an integrally-stacked plurality of fuel-cell single cells, and a sealing plate interposed between the cell modules. The sealing plate comprises a sealing member that seals an interface between the sealing plate and an edge part of the cell modules. The fuel cell stack further comprises a member contacting structure that transfers a load in a stacking direction, disposed in a sealed inner area between the cell modules and the sealing plate. Each of the plurality of fuel-cell single cells has a membrane electrode assembly and a pair of separators that sandwich the membrane electrode assembly. The member contacting structure allows the outermost separators of the adjacent cell modules to face each other so as to transfer a load in the stacking direction. | 10-15-2015 |
20150325859 | FUEL CELL WITH SELECTIVELY CONDUCTING ANODE - Use of a selectively conducting anode component in solid polymer electrolyte fuel cells can reduce the degradation associated with repeated startup and shutdown, but can also adversely affect a cell's tolerance to voltage reversal along with its performance. It was shown that these adverse affects can be mitigated against in certain ways. However, improved results can be obtained by employing a selectively conducting component which comprises a mixed layer of a selectively conducting material and carbon. The mixed layer contacts the side of the anode opposite the solid polymer electrolyte. | 11-12-2015 |
20150325867 | FUEL CELL SYSTEM EQUIPPED WITH A HYDROGEN LEAKAGE DETECTOR - A fuel cell system includes a stack of electrochemical cells, a sensor, and a microcontroller. Each cell of the stack includes an electrode plate having a face in electrical contact with an electrolyte. At least one tube is connected to the face of each cell in a circuit for exchanging a gas with an area exterior to the stack. The sensor is sensitive to a concentration of the gas in air surrounding the stack. A sensitive unit of the sensor is exposed directly to an in situ quantity of a component of the gas. The microcontroller is programmed to generate and output an analog signal corresponding to concentration information, based on a concentration measurement, and to generate and output an analog signal indicating an operation status of the sensor. | 11-12-2015 |
20150340703 | ELECTRODE MATERIAL, MEMBRANE-ELECTRODE ASSEMBLY, FUEL CELL STACK, AND METHOD FOR MANUFACTURING ELECTRODE MATERIAL - An electrode material according to one embodiment includes an electrode catalyst, which includes a conductive support supporting an active catalyst, and a porous inorganic material partially coating the electrode catalyst. The pore surfaces of the porous inorganic material are modified by a basic functional group. Mainly, an electrolyte (ionomer) having proton conductivity is mixed into the electrode material. | 11-26-2015 |
20150340712 | FUEL CELL SYSTEM WITH INTERCONNECT - The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons. | 11-26-2015 |
20150340724 | REACTANT MANIFOLDS FOR FUEL CELL STACKS OPERATING BELOW FREEZING - At below freezing temperatures, ice blockages can be prevented in the reactant outlet manifolds of solid polymer electrolyte fuel cell stacks by modifying the internal design of the manifolds. The reactant outlet manifold comprises a divider dividing the manifold into an upper duct section and a lower main flow section and the divider comprises a plurality of ports fluidly connecting the duct section to the main flow section. The reactant manifold also comprises at least one separating wall in the duct section which partially separates the ports from one another in the duct section. | 11-26-2015 |
20150364768 | REDOX FLOW BATTERY CELL STACK - A bipolar plate for a redox flow battery that uses an electrically conductive composite having excellent mechanical strength, plasticity, and liquid-blocking property, and higher electrical conductivity is provided. The bipolar plate includes an electrically conductive composite prepared by mixing a thermoplastic resin, a carbonaceous material selected from graphite and carbon black, and a carbon nano-tube, in which a carbonaceous material content is 20 to 150 parts by weight and a carbon nano-tube content is 1 to 10 parts by weight relative to 100 parts by weight of the thermoplastic resin. | 12-17-2015 |
20150371786 | Electricity Storing/Discharging Device With Single-Layer Folding Covering And Packaging Single Input/Output Electric Conductive Interface Having Electrode Plate Pair With Multiple-Sided Electric Conductive Terminals - The present invention provides an electricity storing/discharging device with single-layer folding covering and packaging single input/output electric conductive interface having electrode plate pair with multiple-sided electric conductive terminals, which is applied in a specified single-layer folding covering and packaging structure having electrode plate pair with multiple-sided electric conductive terminals, so the electrode plate pair with multiple-sided electric conductive terminals after being covered and packaged is able to be structured as a single input/output electric conductive interface through single input/output electric conductive terminal having positive and negative polarity for transferring electric energy to the exterior. | 12-24-2015 |
20150372319 | FUEL CELL AND FUEL CELL STACK - A fuel cell including a pair of connectors ( | 12-24-2015 |
20150372320 | STACK STRUCTURE FOR FUEL CELL - Provided is a fuel cell stack structure. The fuel cell stack structure includes first and second cell modules and first and second separation plates. In each of the first and second cell modules, one or more fuel cells generating electricity are stacked, and each of the fuel cells includes an electrolyte layer, and a cathode layer and an anode layer formed on both surfaces of the electrolyte layer, respectively, and generates electricity. The first and second separation plates are electrically connected to the first and second cell modules, respectively, and each separation plate has an air hole and a fuel hole at edges to provide an air including oxygen and a fuel gas including hydrogen to the cathode layer and the anode layer, respectively. At least one separation plate has a sealing unit for sealing the air hole and the fuel hole, and has a protruded convex at a different part from the sealing unit to improve an electrical contact with the other separation plate. | 12-24-2015 |
20150372334 | FUEL CELL AND FUEL CELL STACK - A fuel cell including a pair of connectors ( | 12-24-2015 |
20160079607 | METHOD FOR PRODUCING FINE CATALYST PARTICLE AND FUEL CELL COMPRISING FINE CATALYST PARTICLE PRODUCED BY THE PRODUCTION METHOD - Disclosed is a method for producing a fine catalyst particle comprising a palladium-containing particle and a platinum outermost layer covering the palladium-containing particle, wherein a first composite body containing palladium and platinum is formed by mixing the palladium-containing particle with a first solution in which a platinum compound is dissolved, and then covering at least part of a surface of the palladium-containing particle with platinum; wherein a second composite body containing palladium, platinum and copper is formed by mixing the first composite body with a second solution in which a copper compound is dissolved, and then covering at least part of a surface of the first composite body with copper using copper underpotential deposition; and wherein the copper in the second composite body is substituted with platinum derived from a third solution in which a platinum compound is dissolved. | 03-17-2016 |
20160093897 | SOLID OXIDE FUEL CELL STACK - A solid oxide fuel cell stack includes a support, a plurality of power generation elements provided on a surface of the support, the plurality of power generation elements connected in series, each including at least a fuel electrode, a solid electrolyte, and an air electrode stacked in that order, and an interconnector that electrically connects an air electrode in one of adjacent power generation elements to a fuel electrode in the other power generation element. A solid electrolyte in adjacent one power generation element is provided between a fuel electrode in the adjacent one power generation element and the fuel electrode in the adjacent other power generation element, and an insulating member is provided at a position that is on the solid electrolyte in the adjacent one power generation element and between the air electrode in the adjacent one power generation element and the solid electrolyte therein. | 03-31-2016 |
20160093909 | SOLID OXIDE FUEL CELL STACK - There is provided a solid oxide fuel cell stack including an interconnector that has excellent electrical conductivity, gas sealing property, and adhesion to a solid electrolyte. The solid oxide fuel cell stack includes a plurality of power generation elements, each of which including at least a fuel electrode, a solid electrolyte, and an air electrode stacked in that order; and an interconnector that electrically connects the air electrode in one of adjacent power generation elements in the plurality of the power generation elements to the fuel electrode in the other power generation element, the plurality of power generation elements being connected in series to each other, wherein an intermediate layer having a porosity of not more than 1% and an electrical conductivity of not less than 0.05 S/cm is provided between the interconnector and the fuel electrode in the other power generation element. | 03-31-2016 |
20160093910 | SOLID OXIDE FUEL CELL STACK - There is provided a solid oxide fuel cell stack including a ceramic interconnector that has good electrical conductivity and oxide ion insulating property, that is, power generation efficiency. The solid oxide fuel cell stack includes at least: a plurality of power generation elements, each of which including a fuel electrode, a solid electrolyte, and an air electrode stacked in that order; and an interconnector that electrically connects the air electrode in one of adjacent power generation elements in the plurality of power generation elements to the fuel electrode in the other power generation element, the plurality of power generation elements being connected in series, wherein the interconnector is formed of formula (1): | 03-31-2016 |
20160097137 | FUEL CELL STACK AND METHOD OF MANUFACTURING THE SAME, FUEL CELL MODULE, HIGH-TEMPERATURE WATER VAPOR ELECTROLYSIS CELL STACK, AND METHOD OF MANUFACTURING THE SAME - A fuel cell stack | 04-07-2016 |
20160111746 | FUEL CELL - Provided is a fuel cell capable of maintaining an interface pressure in good condition between a membrane electrode assembly and separators, and preventing an increase in contact resistance. A fuel cell is disclosed including: a membrane electrode assembly provided with a frame at a periphery thereof; two separators holding both the frame and the membrane electrode assembly therebetween; and a gas seal provided between an edge portion of the frame and an edge portion of each separator to have a configuration in which a reactant gas passes through the frame and the membrane electrode assembly and the separators, wherein the frame and the separators are not in contact with and separated from each other in a region between the membrane electrode assembly and the gas seal. | 04-21-2016 |
20160133944 | CATALYST LAYER WITH THROUGH-HOLES FOR FUEL CELLS - The performance of solid polymer electrolyte fuel cell stacks can be improved by incorporating an appropriate set of through-holes in the catalyst layers, and particularly in the cathode catalyst layers. Intaglio methods suitable for manufacturing catalyst layers with through-holes are disclosed. | 05-12-2016 |
20160133948 | FUEL-CELL-STACK MANUFACTURING METHOD AND FUEL-CELL-STACK - A fuel-cell-stack manufacturing method, includes arranging an extension portion extended from a proximal end of a raised piece on one surface of a base material disposed so as to abut at least one of a cathode side separator and the anode side separator, and setting an interval between the anode side separator and the cathode side separator along a lamination direction so that deformation of the raised piece exceeds an elastic deformation region and enters a plastic deformation region, and is also in a region in which the proximal end moved due to the deformation does not come in contact with the cathode side separator or the anode side separator. | 05-12-2016 |
20160141633 | FUEL CELL STACK - Disclosed is a fuel cell stack which is able to prevent corrosion from occurring in a separator. | 05-19-2016 |
20160156041 | CELL MATERIALS VARIATION IN SOFC STACKS TO ADDRESS THERMAL GRADIENTS IN ALL PLANES | 06-02-2016 |
20160156054 | MEMBRANE ELECTRODE ASSEMBLY FOR A FUEL CELL, METHOD FOR PREPARING THE MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL SYSTEM AND VEHICLE | 06-02-2016 |
20160164108 | SOLID OXIDE FUEL CELL, PRODUCTION METHOD THEREFOR, FUEL-CELL STACK, AND SOLID OXIDE FUEL BATTERY - A solid oxide fuel cell, a method of producing the same, a fuel cell stack, and a solid oxide fuel battery. The fuel cell including a solid electrolyte layer, a cathode layer formed on one surface thereof and which contains at least Sr, an anode layer which is formed on the other surface of the solid electrolyte layer, and an intermediate layer formed between the solid electrolyte layer and the cathode layer. At least a part of the intermediate layer is an element diffusion prevention layer; the element diffusion prevention layer being formed of a complex oxide containing at least one rare earth element and Zr; and after having been subjected to accelerated heating in air at 1,000° C. for 100 hr, the element diffusion prevention layer has a thickness of 600 nm or more to 2,000 nm or less and a percent Sr coverage of 90% or lower. | 06-09-2016 |
20160164132 | METHOD FOR ACTIVATING FUEL CELL STACK WITHOUT USING ELECTRIC LOAD - A method for activating a fuel cell stack without using an electric load includes chemically adsorbing hydrogen into a catalyst of a cathode. Oxygen remaining in the stack is removed to seal and store the fuel cell stack while maintaining a negative pressure in the fuel cell stack. The method for activating a fuel cell stack does not require an electric load device, and therefore does not increase the number of activation equipment, thereby preventing the total production speed of the fuel cell stack from reducing in response to the stack activation. | 06-09-2016 |
20160181633 | COMPLEX FUEL CELL STACK WITH HYDROGEN STORAGE UNIT | 06-23-2016 |
20160190631 | INTERMEDIATE MODULE FOR ELECTROCHEMICAL CELL STACK - An electrochemical cell stack is disclosed having a plurality of stacked planar electrochemical cell modules, a first end plate at a first end of the stacked planar modules, and a second end plate at a second end of the stacked planar modules. Also included in the stack is an intermediate planar module disposed between adjacent electrochemical cells in the stack. In some aspects, the intermediate module includes a cavity disposed internally within the intermediate module that is in fluid communication with a fluid source at a pressure higher than the operating pressure of the electrochemical cell stack on either side of the intermediate module. In some aspects, the electrochemical cell stack includes an electrically conductive process liquid in fluid communication with a plurality of electrochemical cells in the stack, and the intermediate planar module includes an electrically non-conductive channel in fluid communication with the electrically conductive process liquid. | 06-30-2016 |
20160197359 | SOLID OXIDE FUEL CELL STACK AND MANUFACTURING METHOD THEREFOR | 07-07-2016 |
20160254549 | Metal Supported Solid Oxide Fuel Cell | 09-01-2016 |
20160380275 | MULTI-VOLTAGE FUEL CELL - A fuel cell stack has a first end plate, a second end plate, and an internal current collecting plate. A first load is connected to the first end plate and the second end plate. A second load is connected to the first end plate and the internal current collecting plate. | 12-29-2016 |
20160380298 | Fuel Cell Stack Arrangement - The present invention is concerned with improved fuel cell stack assembly arrangements. | 12-29-2016 |
20190148740 | METHOD OF PROVIDING A FUNCTIONALLY GRADED COMPOSITE LAYER FOR COEFFICIENT OF THERMAL EXPANSION COMPLIANCE IN SOLID OXIDE FUEL CELL STACKS AND SYSTEM COMPONENTS | 05-16-2019 |