23rd week of 2012 patent applcation highlights part 45 |
Patent application number | Title | Published |
20120141804 | GLASS SUBSTRATE - The glass substrate of the present invention includes, in terms of mass %: 58.5-69.5% SiO | 2012-06-07 |
20120141805 | Biological Functionalisation Of A Sol Gel Coating For the Mitigation Of Biofouling Microbial Induced Corrosion - A method of preparing a substrate using a sol-gel derived coating incorporating a microorganism. The coating is configured to inhibit microbial induced corrosion (MIC) and/or biofouling at the substrate-coating interface. The coating is prepared by mixing a sol with a suspension comprising the microorganism, applying the mixture onto a substrate followed by curing such that the resultant coating is chemically bonded to the substrate. | 2012-06-07 |
20120141806 | COATED ARTICLE WITH LOW-E COATING INCLUDING TIN OXIDE INTERLAYER - A coated article is provided which may be heat treated (e.g., thermally tempered) in certain instances. In certain example embodiments, an interlayer of or including a metal oxide such as tin oxide is provided under an infrared (IR) reflecting layer so as to be located between respective layers comprising silicon nitride and zinc oxide. It has been found that the use of such a tin oxide inclusive interlayer results in significantly improved mechanical durability, thermal stability and/or haze characteristics. | 2012-06-07 |
20120141807 | FLUORESCENT POLYMERS FOR OXYGEN SENSING - A fluorescence based oxygen sensor can be prepared comprising a polyaniline polymer doped with one or more pyrene carboxylic acids. The polyaniline has the formula: | 2012-06-07 |
20120141808 | 2-DIMENSIONAL LINE-DEFECTS CONTROLLED SILICON INGOT, WAFER AND EPITAXIAL WAFER, AND MANUFACTURING PROCESS AND APPARATUS THEREFOR - The present invention reports a defect that has not been reported, and discloses a defect-controlled silicon ingot, a defect-controlled wafer, and a process and apparatus for manufacturing the same. The new defect is a crystal defect generated when a screw dislocation caused by a HMCZ (Horizontal Magnetic Czochralski) method applying a strong horizontal magnetic field develops into a jogged screw dislocation and propagates to form a cross slip during thermal process wherein a crystal is cooled. The present invention changes the shape and structure of an upper heat shield structure arranged between a heater and an ingot above a silicon melt, and controls initial conditions or operation conditions of a silicon single crystalline ingot growth process to reduce a screw dislocation caused by a strong horizontal magnetic field and prevent the screw dislocation from propagating into a cross slip. | 2012-06-07 |
20120141809 | COPPER FOIL COMPOSITE - A copper foil composite comprising a copper foil and a resin layer laminated thereon, wherein elongation after fracture of the copper foil is 5% or more, and wherein (F×T)/(f×t)≧1 is satisfied when t is a thickness of the copper foil, f is a stress of the copper foil under tensile strain of 4%, T is a thickness of the resin layer and F is a stress of the resin layer under tensile strain of 4%. | 2012-06-07 |
20120141810 | RUBBER COMPOSITE AND RUBBER COMPOSITION - The rubber composite was fabricated by use of direct vulcanization adhesion method with a sulfenamide-based vulcanization accelerators, and the sulfenamide-based vulcanization accelerator is used for a rubber composite using a sulfenamide compound as a vulcanization accelerator, the adhesion properties of the steel cord/rubber adhesion boundary surface and the anti-scorch properties can be achieved simultaneously, the sulfenamide-based vulcanization accelerator being such that the bond order between an amine generated form the sulfenamide compound and a surface of a metal material is zero, and the distance of the S—N (amine moiety) bond of the sulfenamide compound is less than 1.67 Å, and the electric charge on N of the amine radical generated as a result of dissociation of the S—N bond is −0.295 or less. | 2012-06-07 |
20120141811 | POWDER METAL COMPONENT IMPREGNATED WITH CERIA AND/OR YTTRIA AND METHOD OF MANUFACTURE - A powder metal component is made of compacted and sintered powder metal particles such as chromium-containing ferrous-based metal and is porous. Following sintering, the pores are impregnated with relatively smaller particles of ceria and/or yttria. The component is then heat treated and the presence of the impregnated ceria and/or yttria serve as nucleation sites for the formation of desirable oxides, such as chromium oxide, on the surface. The impregnated particles that lie below the protective oxide layer remain available throughout the life of the component in the event the original oxide layer becomes worn or damaged, wherein a renewed protective oxide is formed in such regions due to the presence of the impregnated particles. | 2012-06-07 |
20120141812 | COATING MATERIAL COMPRISING UNSATURATED POLYESTER RESINS AND VINYL ETHERS - The use of a composition which is liquid under standard conditions (20° C., 1 bar) as a coating material, wherein the composition comprises
| 2012-06-07 |
20120141813 | POLARIZER PLATE AND PREPARATION METHOD THEREOF - Acrylic resin is used as a protection film of a polyvinyl alcohol polarizer film to compose a polarizer plate, wherein the glass transition temperature of the acrylic resin is higher than 50° C. A preparation method of the polarizer plate is also disclosed. | 2012-06-07 |
20120141814 | SECURITY AND/OR VALUABLE DOCUMENTS WITH A TOP LAYER WITH A SCRATCH-RESISTANT FINISH - The invention relates to a security and/or valuable document containing a scratch-resistant coating obtained from a lacquer composition comprising
| 2012-06-07 |
20120141815 | LEATHER PRODUCTION AND AQUEOUS FORMULATIONS SUITABLE THEREFOR - A process for producing leather comprises treating part-processed hides, crust leathers or pelts with at least one aqueous float comprising
| 2012-06-07 |
20120141816 | METHOD FOR PULSED ELECTROCHEMICAL MACHINING - The invention is related to the field of pulsed electrochemical machining of steels and alloys and can be used for performing various precision copying and piercing operations for manufacturing intricate profile surfaces of machine and tool workpieces made of hard-to-machine materials. The method comprises the steps of applying microsecond current pulse packages synchronized with an instant when the machining electrode and a workpiece are moved to a minimum distance towards each other, measuring at least one concordant voltage and current value in each pulse, calculating corresponding values of an interelectrode gap resistance, and adjusting the machining process in accordance with the changes of the interelectrode gap resistance. During the machining process, amplitude-time pulse parameters are adjusted in accordance with the changes of the shape of an interelectrode gap resistance curve during a pulse supply, said curve shape being considered as an accuracy criterion for copying the shape of the machining electrode. Amplitude-time pulse parameters can be adjusted by increasing a current pulse amplitude and controlling a ratio of a duration of a voltage rise to a duration of a steady-state process, or by increasing a voltage pulse duration and controlling a ratio of a duration of a current decrease to a duration of a steady-state process. In addition, an amplitude or duration of a pulse of an opposite polarity can be adjusted. The invention allows improving the copying accuracy and increasing the machining performance when the copying accuracy is predetermined. | 2012-06-07 |
20120141817 | THIN METAL NANOWIRES PRODUCED BY BIOTEMPLATING - The present invention provides methods for the manufacturing of metal nanowires using protein fibrils as biotemplates. The methods comprise use of a solvent providing a dual effect by promoting the formation of protein fibrils of suitable size as well as acting as a reducing agent. The invention further provides metal nanowires. | 2012-06-07 |
20120141818 | METAL-RESIN COMPOSITE, METHOD FOR PRODUCING THE SAME, BUSBAR, MODULE CASE, AND RESINOUS CONNECTOR PART - Provided are a metal-resin composite having excellent adhesive strength, a method for producing the same, a busbar, a module case, and a resinous connector part. The metal-resin composite comprises a metallic member | 2012-06-07 |
20120141819 | POROUS SILICON ARTICLE AND ABOUT METHOD FOR MANUFACTURING SAME - A porous silicon article includes a substrate; a silicon metal layer formed on the substrate; and about a porous silicon layer formed on the silicon metal layer. The silicon metal layer is a silicon layer doped with M that is at least one element selected from a group consisting of aluminum, magnesium and about calcium, the content of M in the silicon metal layer is between about 30 wt % and about 50 wt %. | 2012-06-07 |
20120141820 | POROUS METAL ARTICLE AND ABOUT METHOD FOR MANUFACTURING SAME - A porous metal article includes a substrate; a metal layer formed on the substrate; and a porous metal layer formed on the metal layer. The metal layer is a noble metal layer doped with M that is at least one element selected from a group consisting of aluminum, magnesium and calcium, the content of M in the metal layer is between about 30 wt % and about 70 wt %. | 2012-06-07 |
20120141821 | BATHROOM APPLIANCE - A bathroom appliance is provided having a substrate made of metal or plastic and a coating, it is provided to consecutively electroplate metal layers made of copper, an alloy of copper and tin, and chromium and to subsequently apply a cover layer which is made of at least one of the elements of chromium, titanium, zirconium, gold, silver or platinum or is made of a chemical combination of the elements of titanium or chromium and nitrogen and, optionally, carbon, the cover layer being produced on the electroplated chromium layer by means of a PVD method. | 2012-06-07 |
20120141822 | ANTI-WEAR COATING AND COMPONENT COMPRISING AN ANTI-WEAR COATING - An anti-wear coating, in particular an anti-erosion coating, which is applied to a surface of a component that is stressed under fluid technology and is to be protected, in particular a gas turbine part, is disclosed. The anti-wear coating includes one or more multilayer systems applied in a repeating order to the surface to be coated, and the/each multilayer system includes at least one relatively soft metallic layer and at least one relatively hard ceramic layer. All the layers of the/each multilayer system are based on chromium, and a diffusion barrier layer is applied between the surface to be protected and the multilayer system(s). | 2012-06-07 |
20120141823 | PROCESS FOR JOINING BRASS PART AND SILICONE CARBIDE CERIMICS PART AND COMPOSITE ARTICLES MADE BY SAME - A process for joining a brass part and a silicone carbide ceramics part, comprising steps of: providing a metal part made of brass, a ceramic part made of silicone carbide ceramics, a titanium foil and a nickel foil; bring the metal part, ceramic part, titanium foil and nickel foil into contact, with the titanium and nickel foil inserted between the metal part and ceramic part; applying a pressure of about 20 MPa˜60 MPa to the parts to be joined; and simultaneously applying a pulse electric current to the parts while the pressure is applied for heating up the parts to a temperature of about 950° C. to about 1150° C. at a rate of about 50° C./min˜300° C./min, maintaining the temperature for about 20 minutes˜40 minutes. | 2012-06-07 |
20120141824 | PROCESS FOR JOINING BRASS PART AND SILICONE CARBIDE CERIMICS PART AND COMPOSITE ARTICLES MADE BY SAME - A process for joining a brass part and a silicone carbide ceramics part, comprising steps of: providing parts comprising a brass part, a silicone carbide ceramics part, an aluminum foil and a nickel foil; bringing surfaces of the silicone carbide ceramics part, the aluminum foil, the nickel foil and the brass part into contact in turn; applying a joining pressure between about 10 MPa and 40 MPa to the parts; heating the parts at a rate below 50° C./min when a temperature of the parts is below about 300° C.; when the temperature of the parts is above about 300° C., heating the parts at a rate of about 80° C./min˜200° C./min until to a joining temperature of about 550° C. to about 650° C., and maintaining the joining temperature between about 15 minutes and 40 minutes | 2012-06-07 |
20120141825 | COATED ARTICLE AND METHOD FOR MAKING THE SAME - A coated article includes a substrate, a bonding layer formed on the substrate, an anti-corrosion layer formed on the bonding layer. The substrate is made of aluminum or aluminum alloy. The bonding layer is a silicon layer. The anti-corrosion layer is a silicon nitride layer. The coated article has improved corrosion resistance. | 2012-06-07 |
20120141826 | COATED ARTICLE AND METHOD FOR MAKING THE SAME - A coated article includes a substrate, an anti-corrosion layer formed on the substrate, and a decorative layer formed on the anti-corrosion layer. The substrate is made of aluminum or aluminum alloy. The anti-corrosion layer is an aluminum-copper alloy layer. The coated article has improved corrosion resistance. | 2012-06-07 |
20120141827 | COATED ARTICLE AND METHOD FOR MAKING THE SAME - A coated article includes a substrate, an anti-corrosion layer formed on the substrate, and a decorative layer formed on the anti-corrosion layer. The substrate is made of magnesium or magnesium alloy. The anti-corrosion layer includes a magnesium layer formed on the substrate and a magnesium nitride layer formed on the magnesium layer. The coated article has improved corrosion resistance. | 2012-06-07 |
20120141828 | FILM STRUCTURE AND PORTABLE ELECTRONIC DEVICE EMPLOYING SAME - A film structure includes a metal substrate, a metal film formed on the metal substrate, an insulating transparent optical film formed on the metal film. The metal film eliminates an interference color of the optical film so that the color of the film structure is substantially the same as the metal substrate. | 2012-06-07 |
20120141829 | SPOT WELDED JOINT AND SPOT WELDING METHOD - Provided is a spot welded joint ( | 2012-06-07 |
20120141830 | REINFORCED BOARD AND METHOD OF PRODUCING THEREOF - Reinforced boards and/or walls, and methods of producing thereof. In some non-limiting examples, there is provided a reinforced gypsum board and a process for the production thereof. In one example, the reinforced board may include one or more reinforcing elements, e.g., to enhance the rigidity of the board and/or to provide support for the board. | 2012-06-07 |
20120141831 | MULTILAYER TRANSPARENT LIGHT-RECEIVING DEVICE AND ELECTRONIC DEVICE - A multilayer transparent light-receiving device with significantly high photoresponsive speed that is easily manufactured, and a high-performance electronic device using the multilayer transparent light-receiving device are provided. The multilayer transparent light-receiving device is composed by laminating a plurality of protein transparent light-receiving elements using an electron transfer protein. The protein transparent light-receiving element has a structure in which a transparent substrate, a transparent electrode, an electron transfer protein layer, an electrolyte layer, and a transparent counter electrode are sequentially laminated. The multilayer transparent light-receiving device is used as a light-receiving device for a camera, an optical disc system and the like. | 2012-06-07 |
20120141832 | PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING A DECOUPLED LOW ANISOTROPY OXIDE LAYER FOR WRITEABILITY ENHANCEMENT - A magnetic media having a multi-layer magnetic oxide structure with an uppermost magnetic oxide layer having a very low magnetic anisotropy energy. The magnetic oxide structure includes at least three magnetic oxide layers. An upper most magnetic oxide layer structure has a magnetic anisotropy energy of less than 1×10 | 2012-06-07 |
20120141833 | Perpendicular Magnetic Recording Disc - [Problem] A perpendicular magnetic disk with an improved SNR and an increased recording density by further improving crystal orientation of a preliminary ground layer formed of an Ni-base alloy is provided. | 2012-06-07 |
20120141834 | REDUCED SPACING RECORDING APPARATUS - Aspects include recording media with enhanced areal density through reduction of head media spacing, head keeper spacing, or head to soft underlayer spacing. Such aspects comprise replacing currently non-magnetic components of devices, such as interlayers and overcoats with components and compositions comprising magnetic materials. Other aspects relate to magnetic seed layers deposited within a recording medium. Preferably, these aspects, embodied as methods, systems and/or components thereof reduce effective magnetic spacing without sacrificing physical spacing. | 2012-06-07 |
20120141835 | Perpendicular Magnetic Recording Disk - [Problem] A perpendicular magnetic disk with an improved SNR and increased recording density by further advancing microfabrication and uniformalization of particle diameters and improving crystal orientation regarding a preliminary ground layer made of a Ni-base alloy is provided. | 2012-06-07 |
20120141836 | GRANULAR PERPENDICULAR MEDIA INTERLAYER FOR A STORAGE DEVICE - An apparatus and method are provided for improving perpendicular magnetic recording media. The present invention provides media, and a method of fabricating media in a cost-effective manner, with a reduced ruthenium (Ru) content interlayer structure, while meeting media performance requirements. A perpendicular magnetic recording medium is provided comprising a non-magnetic substrate having a surface, and a layer stack situated on the substrate surface. The layer stack comprises, in overlying sequence from the substrate surface a magnetically soft underlayer; an amorphous or crystalline, non-magnetic seed layer; an interlayer structure for crystallographically orienting a layer of a perpendicular magnetic recording material situated on the underlayer; and at least one crystallographically oriented, magnetically hard, perpendicular magnetic recording layer situated on the interlayer structure. The interlayer structure is a stacked structure comprising, in overlying sequence: a chromium alloy situated on the seed layer; and an upper interlayer situated on the chromium alloy. | 2012-06-07 |
20120141837 | TETRAGONAL MANGANESE GALLIUM FILMS - A magnetic recording medium for use in storing information is described, the medium comprising the use of a manganese-gallium alloy. More specifically, in one embodiment there is provided a magnetic recording medium comprising a substrate having a surface upon which is placed a magnetic recording layer, wherein the magnetic recording layer comprises a Manganese-Gallium alloy material with uniaxial anisotropy. | 2012-06-07 |
20120141838 | WATERPROOF BATTERY - A waterproof battery includes a casing having an opening; a battery body received in the casing; a connecting unit disposed in the casing, wherein the connecting unit has a circuit board electrically connected to the battery body and a connector electrically connected to the circuit board and protruded from the opening; and a waterproof adhesive layer for being affixed to and thereby connecting an inner surface of the casing and a bottom side of the circuit board so as to hermetically seal the opening. Accordingly, the waterproof battery is capable of preventing water or liquid from intruding into the battery body to cause damage thereto, that is, a built-in capacity to be water-free. | 2012-06-07 |
20120141839 | BATTERY CASE AND BATTERY PACK USING THE SAME - A battery unit and a battery module having stack battery units. The battery unit includes a battery cell including electrode terminals and a case for housing the battery cell. The case further includes: a spacer that is disposed on facing portions of an edge of the case and protrudes in a thickness direction of the case, an inlet guide portion for guiding air for cooling the battery cell, and an outlet guide portion for guiding air to be discharged toward the electrode terminals. | 2012-06-07 |
20120141840 | FUEL SUPPLY AMOUNT ADJUSTMENT FILM, PRINTED CIRCUIT BOARD, AND FUEL CELL - A base insulating layer in an FPC board is used as a fuel supply amount adjustment film for a fuel cell. The base insulating layer in the FPC board has a plurality of anisotropic through pores. The anisotropic through pores respectively has openings on one surface and the other surface of the base insulating layer. The respective openings on the one surface and the other surface of the base insulating layer communicate with each other without diverging by a single communication path. The communication path has a shape that can specify a long axis and a short axis perpendicular to the long axis. The long axis extends in a direction intersecting the one surface and the other surface of the base insulating layer at a predetermined angle. | 2012-06-07 |
20120141841 | MOBILE ELECTRONIC DEVICE HAVING A FUEL CELL WITH A FUEL TANK SURROUNDING A BATTERY - According to one aspect, a mobile electronic device having a fuel cell configured to receive fuel and generate therefrom electrical power for the mobile electronic device, a fuel tank adapted to store fuel and provide fuel to the fuel cell, and an energy storage device configured to provide power to the mobile device. The fuel tank is sized and shaped to at least partially surround the energy storage device. The fuel tank and the energy storage device may be in thermal contact. | 2012-06-07 |
20120141842 | MOBILE ELECTRONIC DEVICE HAVING A FUEL CELL SURROUNDED BY A SOLID-STATE BATTERY - According to one aspect, a mobile electronic device having a fuel cell configured to receive fuel and generate therefrom electrical power for the mobile electronic device, a fuel tank adapted to store fuel and provide fuel to the fuel cell, and a solid-state battery configured to provide power to the mobile device. The solid-state battery is sized and shaped to at least partially surround at least one of the fuel cell and the fuel tank. | 2012-06-07 |
20120141843 | BATTERY HAVING DIVERTING DEVICE - An electrochemical energy accumulator apparatus according to the invention has at least one galvanic cell. Furthermore, the electrochemical energy accumulator apparatus has at least one diverting device which is assigned to the at least one galvanic cell, and at least one connecting device which is assigned to the at least one diverting device. The electrochemical energy accumulator apparatus is characterized in that the at least one connecting device is assigned at least one heat exchanger device, wherein the at least one heat exchanger device is designed to exchange thermal energy with the at least one connecting device. | 2012-06-07 |
20120141844 | Galvanic Cell Having Overpressure Protection - A single cell having a casing formed from a first casing side part, a second casing side part and a casing frame, in which casing an electrolyte and an electrochemically active electrode foil unit are arranged, wherein the casing comprises an overpressure protection. The first casing side part includes a casing side part segment going at least sectionally over a length of the single cell, which casing side part segment is angled down in relation to the first casing side part in the direction of the cell interior and in which the overpressure protection is arranged and a venting opening is incorporated into the casing frame in a region of the overpressure protection. | 2012-06-07 |
20120141845 | RECHARGEABLE BATTERY - A rechargeable battery having an improved penetration characteristic of an external short-circuit current in an electrode assembly by reducing an external short-circuit current. A rechargeable battery including an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case containing the electrode assembly; a cap plate covering an opening of the case; an electrode terminal protruding outside the case and electrically connected to the second electrode; and a resistance member between and electrically connecting the electrode terminal and the cap plate. | 2012-06-07 |
20120141846 | LITHIUM SECONDARY BATTERY - In a lithium secondary battery which contains an electrode group including a positive electrode, a negative electrode and a separator interposed between the positive electrode and the negative electrode, and an electrolytic solution, a current shut-off portion which is activated by an increase in an internal pressure is provided, a polymerizable compound having an aromatic functional group and a polymerizable functional group, or a polymer having an aromatic functional group and a residue of a polymerizable functional group is contained, and a carbon dioxide generating agent which produces carbon dioxide by a neutralization reaction is contained in at least one of the positive electrode and the separator. Thereby, the current shut-off valve is activated in an early stage of overcharge to increase the safety of the battery when overcharged. | 2012-06-07 |
20120141847 | BATTERY PACK AND METHOD FOR MANUFACTURING BATTERY PACK - The present invention has been made to provide a battery pack having multiple battery modules each housing a stacked body in which multiple secondary batteries are stacked, and a method of manufacturing such a battery pack, which are capable of reducing the number of voltage detection wires for detecting voltages of the respective secondary batteries housed in the battery modules forming the battery pack. The battery pack includes: multiple battery modules ( | 2012-06-07 |
20120141848 | CELL CONTROLLER, BATTERY MODULE AND POWER SUPPLY SYSTEM - A suppressed noise cell controller includes, corresponding to a number of cell packs, a plurality of ICs each having a voltage detecting circuit detecting voltages of respective cells of a cell pack in which four cells are connected in series, a switch control circuit controlling conduction and a blocking operation of a plurality of switch elements connected in parallel to the respective cells via capacity adjusting resistors, terminal LIN | 2012-06-07 |
20120141849 | Drop and Vibration Resistant Lithium-Ion Battery - The present invention relates generally to a metal canned battery that does not suffer reduced effectiveness in mechanical reliability upon dropping or vibration. More particularly, the invention pertains to a metal canned battery that has a substance therein that causes the electrode assembly to adhere to the exterior can. In one aspect, the battery is of a winding type wherein a cathode and an anode sheet are wound along with a polymer separator between them to form a jelly roll that is inserted into a cylindrical or prismatic metal can. The jelly roll is wrapped with an adhesive polymer layer or the inner wall of the metal can is coated with an adhesive polymer layer. The polymer layer is capable of swelling in a non-aqueous liquid electrolyte to provide a good adhesive between the metal can and the jelly roll and thereby improve the mechanical reliability and safety of the battery during drop or vibration. | 2012-06-07 |
20120141850 | MIDDLE OR LARGE SIZED BATTERY - Disclosed herein is a middle or large sized battery, more particularly, a middle or large sized battery that provides improved volume energy density provides an advantageous structure for preparing an end cell with large capacity, particularly by improving the structure of a can and internal connecting system of positive and negative electrodes in the middle or large sized battery. According to the present invention, a middle or large sized battery is provided which comprises a can having an open portion formed on two opposing sides; an electrode jelly roll disposed inside the can, and comprising a current collector of positive electrode, a separator, and a current collector of negative electrode being stacked in turn and wound therein; a lead tab connected to the current collector of positive and negative electrodes of opposing sides in the electrode jelly roll; and a lateral cap assembly electrically in contact with the lead tab and coupled to the opposing sides of the can. | 2012-06-07 |
20120141851 | SYSTEM AND METHOD FOR ENCLOSING AN ENERGY STORAGE DEVICE - An enclosure for an energy storage device is presently disclosed. The enclosure includes a cell housing having a base portion and at least one side portion seamlessly extending from the base portion to define a volume and having a peripheral edge defining an aperture distal from the base portion through which an electrochemical cell may be disposed within the volume, and a cover securable to the peripheral edge of the housing, where the housing and cover are configured to house at least one electrochemical cell at an operating temperature greater than about 100 degrees Celsius. The enclosure may also include an environmental housing configured to nestingly receive the cell housing, and an insulating element disposed between the environmental housing and the cell housing. Also disclosed is a method of packaging the energy storage device utilizing the enclosure. | 2012-06-07 |
20120141852 | Conductor Plate for a Vehicle Battery Module - In a conductor plate for a vehicle battery module, the vehicle battery module is adapted to accommodate a plurality of longitudinal battery cells. The battery cells are arranged in parallel with respect to their longitudinal axes, and each battery cell has a first end and an opposite second end with respect to its longitudinal axis. The conductor plate includes: a base part; and a plurality of longitudinal members. Each of the plurality of longitudinal members includes a first end and a second end, the first ends of the longitudinal members being connected to the base part, the base part and the plurality of longitudinal members being substantially arranged in a common plane. The longitudinal members are arranged spaced from each other such that an interval between two of the plurality of longitudinal members matches to an interval between two rows of the battery cells. | 2012-06-07 |
20120141853 | Battery Cell and Vehicle Battery Module - In a longitudinal battery cell for a vehicle battery module, the battery cell includes a first end and an opposite second end with respect to a longitudinal axis of the battery cell, and a lateral surface extending from the first end to the second end. The battery cell includes an attachment structure extending in an outward direction from the lateral surface at the second end for coupling the battery cell to the battery module. | 2012-06-07 |
20120141854 | Battery Pack - A battery pack that can reduce manufacturing costs and simplify an assembly structure. The battery pack includes a first case having an inner space, at least one battery cell arranged in the inner space of the first case, a second case coupled to the first case to accommodate the battery cell, and a coupling part arranged inside the coupled first and second cases. The coupling part includes a handle part and a protrusion part that is integrally formed with the handle part and protrudes outward according to a movement of the handle part. | 2012-06-07 |
20120141855 | BATTERY PACK FOR SUPPRESSING DEVIATION OF CENTRAL BATTERY CELL AND VEHICLE INCLUDING THE SAME - A battery pack device includes a plurality of battery cells | 2012-06-07 |
20120141856 | MODERATE TEMPERATURE SODIUM BATTERY - A rechargeable galvanic cell that has a negative electrode material made of a molten alkali metal (such as sodium or lithium). The galvanic cell also includes a positive electrode active material that may be sulfur or iodine. The positive electrode active material may be used in conjunction with a polar solvent. An ion-conductive separator is disposed between the polar solvent and the negative electrode material. The positive electrode active material has a specific gravity that is greater than the specific gravity of the polar solvent. Thus, the positive electrode active material is proximate the bottom of the positive electrode compartment while the polar solvent is above the positive electrode active material. The cell is designed to be operated at temperatures above the melting point of the alkali metal, but at temperatures that are lower than about 250° C. | 2012-06-07 |
20120141857 | BATTERY MODULE - A battery module ( | 2012-06-07 |
20120141858 | MULTILAYER BATTERY SEPARATOR AND METHOD FOR MANUFACTURING THE SAME - A multilayer battery separator is provided. The multilayer battery separator includes a porous polyethylene (PE) film, and a porous thermal resistant film selected from a group consisting of: a weight ratio of polyvinylidene fluoride (PVDF) and cellulose of 90/10-40/60; a weight ratio of polyvinylidene fluoride and polyethylene glycol (PEG) of 99/1-85/15; and polyimide (PI), and combinations thereof. A method for manufacturing the multilayer battery separator is also provided. | 2012-06-07 |
20120141859 | MULTILAYER POROUS FILM - A multilayer porous film, comprising a porous layer including inorganic particles and a resin binder on at least one surface of a porous film containing a polyolefin resin as a main component, wherein the inorganic particles contain an aluminum silicate compound as a main component. | 2012-06-07 |
20120141860 | SURFACE STABILIZED ELECTRODES FOR LITHIUM BATTERIES - A method of stabilizing a metal oxide or lithium-metal-oxide electrode comprises contacting a surface of the electrode, prior to cell assembly, with an aqueous or a non-aqueous acid solution having a pH greater than 4 but less than 7 and containing a stabilizing salt, for a time and at a temperature sufficient to etch the surface of the electrode and introduce stabilizing anions and cations from the salt into said surface. The structure of the bulk of the electrode remains unchanged during the acid treatment. The stabilizing salt comprises fluoride and at least one cationic material selected from the group consisting of ammonium, phosphorus, titanium, silicon, zirconium, aluminum, and boron. | 2012-06-07 |
20120141861 | BATTERY MODULE AND ASSEMBLED BATTERY - A battery module of the invention includes: a battery having a positive electrode terminal, a negative electrode terminal, and a battery case; a cap having holes respectively corresponding to the positive electrode terminal and the negative electrode terminal and formed of an insulating member covering an end of the battery; and a protection portion to block at least one of the holes. When the cap is pressed and inserted into the end of the battery up to a predetermined amount or more, the positive electrode terminal or the negative electrode terminal protrudes from the cap through the protection portion. | 2012-06-07 |
20120141862 | ELECTRODE GEOMETRY OF A GALVANIC CELL - The invention relates to a galvanic cell ( | 2012-06-07 |
20120141863 | ELECTROCHEMICAL DEVICE - Various embodiments of the present disclosure provide an electrochemical device that enables each of a plurality battery elements to be appropriately charged and, thereby, meet the demand for higher voltage even when said plurality of battery elements are connected in electrically series between a pair of electrodes. Electrochemical device | 2012-06-07 |
20120141864 | ELECTROCHEMICAL CELLS WITH TABS - The present invention provides electrochemical cells and batteries having one or more electrically conductive tabs and carbon sheet current collectors, where the tabs are connected to the carbon sheet current collectors; and methods of connecting the tabs to the carbon based current collectors. In one embodiment, the electrically conductive tabs are metallic tabs. | 2012-06-07 |
20120141865 | ELECTROCHEMICAL ELEMENT WITH A REDUCED INTERNAL RESISTANCE - An electrochemical element has a housing having an inside surface, a first electrode resting adjacent an inside surface of the housing and defining a cavity, the first electrode including at least two individual segments adjacent one another in a 2-dimensional manner via first contact surfaces and rest via further contact surfaces adjacent the inside surface, a second electrode of opposite polarity arranged inside the cavity, a separator arranged between the first and second electrodes, and at least one connector arranged between the first contact surfaces which connects the segments electrically conductively and which is annular or ring-shaped and includes at least one strip-shaped projection formed on an outside portion thereof | 2012-06-07 |
20120141866 | POWER STORAGE DEVICE - A power storage device which has improved performance such as higher discharge capacity and in which deterioration due to peeling or the like of an active material layer is less likely to be caused is provided. In an electrode for the power storage device, phosphorus-doped amorphous silicon is used for the active material layer over a current collector as a material that can be alloyed with lithium, and niobium oxide is deposited over the active material layer as a layer containing niobium. Accordingly, the capacity of the power storage device can be increased and the cycle characteristics and the charge-discharge efficiency can be improved. | 2012-06-07 |
20120141867 | LITHIUM SECONDARY BATTERY - An electrolyte includes a mixture of polymerizable compounds, or a polymer, in which the mixture includes a polymerizable compound having an aromatic functional group and a polymerizable functional group, and a polymerizable compound having a phosphorus-containing functional group that contains phosphorus, and having a polymerizable functional group, and in which the polymer has residues of each of the phosphorus-containing functional group, the aromatic functional group and the polymerizable functional group. | 2012-06-07 |
20120141868 | ZEOLITE FOR TREATMENT OF NONAQUEOUS ELECTROLYTIC SOLUTION AND TREATMENT METHOD OF NONAQUEOUS ELECTROLYTIC SOLUTION - An object of the present invention is to provide a zeolite enabling a dehydration treatment of a nonaqueous electrolytic solution without causing a problem of elution of sodium from the zeolite at the time of dehydrating a nonaqueous electrolytic solution for a lithium battery by using a zeolite. The present invention relates to a zeolite, wherein from 97.5 to 99.5 mol % of the ion-exchangeable cation is ion-exchanged with lithium, and when this zeolite is used, a nonaqueous electrolytic solution can be dehydrated while keeping the elution of a cation impurity such as sodium down to 50 ppm or less. As for the zeolite species, at least one or more zeolites selected from the group consisting of A-type, chabazite, ferrierite, ZSM-5 and clinoptilolite can be used. | 2012-06-07 |
20120141869 | METHOD FOR PRODUCING NONAQUEOUS ELECTROLYTE LITHIUM-ION SECONDARY BATTERY - The present invention provides a method for producing a lithium-ion secondary battery with excellent high-temperature storage characteristics. The method for producing the lithium-ion secondary battery provided by the present invention includes a step of assembling a lithium-ion secondary battery using positive and negative electrodes, and a nonaqueous electrolyte containing in an organic solvent a lithium salt as a supporting salt, at least one type of substance selected from carboxylic acid anhydrides and dicarboxylic acids as additive A, and at least one type of substance selected from vinylene carbonate, vinylethylene carbonate, ethylene sulfite, and fluoroethylene carbonate as additive B; a step of carrying out initial charging of the assembled battery to a predetermined voltage; and a step of carrying out an aging treatment by keeping the battery at a temperature of 35° C. or higher for 6 hours or longer. | 2012-06-07 |
20120141870 | MULTIFUNCTIONAL SULFONE/FLUORINATED ESTER SOLVENTS - Novel multifunctional sulfone/fluorinated ester compounds are described. These compounds may be useful as non-aqueous electrolyte solvents, specialty solvents, and starting materials and intermediates for synthesis of dyes, agricultural chemicals, and pharmaceuticals. | 2012-06-07 |
20120141871 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery includes a negative electrode including a current collector and a negative electrode active material having a Li ion insertion potential not lower than 0.4V (vs. Li/Li | 2012-06-07 |
20120141872 | Rechargeable lithium battery including negative active material - A rechargeable lithium battery that includes a negative electrode including a silicon-based negative active material; a positive electrode including a positive active material being capable of intercalating and deintercalating lithium; and a non-aqueous electrolyte, wherein the silicon-based negative active material includes a SiO | 2012-06-07 |
20120141873 | POSITIVE ACTIVE MATERIAL MANUFACTURING METHOD THEREOF, AND ELECTRODE AND LITHIUM BATTERY CONTAINING THE SAME - In one aspect, a positive active material is provided that may have increased thermal stability and resistance to capability deterioration due to repeated charging and discharging, a method of manufacturing the same, and a lithium battery that includes the positive active material. | 2012-06-07 |
20120141874 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - Disclosed is a positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the positive active material includes a carbon material having a structure with “n” polycyclic nano sheets, wherein “n” is an integer of 1 to 30 with hexagonal rings having six carbon atoms condensed and substantially aligned in a plane, the polycyclic nano sheets are laminated in a vertical direction to the plane; and a lithium-containing olivine-based compound attached to the surface of the carbon material is formed with a carbon-coating layer on its surface. | 2012-06-07 |
20120141875 | POSITIVE ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY - Provided is a secondary battery capable of improving charge-discharge characteristics. A positive electrode active material layer of a positive electrode has a positive electrode active material and a positive electrode conductive agent. The positive electrode active material is a high-voltage operating positive electrode material whose operating voltage is equal to or more than 4.5 V on a lithium metal basis. The positive electrode conductive agent contains an amorphous carbon material and a crystalline carbon material, and an interplanar spacing for lattice plane (002), a specific surface area, and a content in the positive electrode active material layer, thereof are so normalized as to be in predetermined ranges, respectively. | 2012-06-07 |
20120141876 | LITHIUM ION-SULFUR BATTERY - The present invention provides a lithium ion-sulfur battery including a lithium metal used as a supply source of lithium ions, a sulfur electrode used as a positive electrode and an intercalation electrode. The intercalation electrode is (i) interposed between the lithium metal and the sulfur electrode, (ii) has a structure capable of causing an intercalation reaction, and (iii) is used as a negative electrode after the lithium ions are intercalated from the lithium metal to be charged and discharged together with the sulfur electrode. The lithium metal is used only to intercalate the lithium ions into the intercalation electrode during initial use, and the intercalation electrode, into which the lithium ions are intercalated, is used as a negative electrode during actual use. Therefore, it is possible to prevent the formation of dendrite caused when the lithium ions are used as the negative electrode, and thus the charge/discharge durability is improved. | 2012-06-07 |
20120141877 | ELECTRODE OF SECONDARY CELL INCLUDING POROUS INSULATING LAYER, AND MANUFACTURING METHOD THEREOF - The present invention provides a manufacturing method of a secondary cell electrode forming a porous insulating layer on at least one surface between a negative electrode and a positive electrode, including coating an electrode layer slurry on the electrode surface, coating the porous insulating layer while in a state in which the electrode layer slurry has not been dried, and simultaneously drying the electrode layer slurry and the porous insulating layer coating slurry so a binder of the porous insulating layer does not block the pores of the electrode layer. | 2012-06-07 |
20120141878 | ELECTROLYTE SOLUTION AND LITHIUM ION SECONDARY BATTERY USING THE SAME - The present invention provides an electrolyte solution and a lithium ion secondary battery which maintain for a long period high battery characteristics represented by the discharge capacity retention rate after the charge/discharge cycle, and simultaneously achieve also the high safety represented by the flame retardation. The present invention provides an electrolyte solution containing a nonaqueous solvent, an electrolyte, a specific compound having a perfluoroalkyl group in the molecule, and an additive having a fluorine atom and/or a phosphorus atom in the molecule. | 2012-06-07 |
20120141879 | Beta alumina solid electrolyte and method of preparing the same - A beta alumina solid electrolyte (BASE) and a method of preparing the same are provided. When the method is used, evaporation of sodium is suppressed and thus a beta alumina solid electrolyte having a high density, a low porosity, and a composition that is near a desired (target) composition is produced. | 2012-06-07 |
20120141880 | IONICALLY CONDUCTIVE POLYMERS, METHODS FOR PRODUCTION THEREOF AND ELECTRICAL DEVICES MADE THEREFROM - The electrical conductivity of ionically conductive polymers can be increased by polymerizing a mixture of a polymer precursor and an electrolyte in the presence of an electric field. Methods for making ionically conductive polymers can include providing a mixture containing an electrolyte and a polymer precursor, and polymerizing the polymer precursor while applying an electric field to the mixture. Ionically conductive polymers so prepared can be used in electrical devices. Methods for making electrical devices containing the ionically conductive polymers are also described. | 2012-06-07 |
20120141881 | HIGH ENERGY POLYMER BATTERY - An optimal architecture for a polymer electrolyte battery, wherein one or more layers of electrolyte (e.g., solid block-copolymer) are situated between two electrodes, is disclosed. An anolyte layer, adjacent the anode, is chosen to be chemically and electrochemically stable against the anode active material. A catholyte layer, adjacent the cathode, is chosen to be chemically and electrochemically stable against the cathode active material. | 2012-06-07 |
20120141882 | CURRENT COLLECTOR FOR NONAQUEOUS ELECTROLYTE BATTERY, ELECTRODE FOR NONAQUEOUS ELECTROLYTE BATTERY, AND NONAQUEOUS ELECTROLYTE BATTERY - A current collector for a nonaqueous electrolyte battery, in which oxygen content in the surface of an aluminum porous body is low. The current collector is made of an aluminum porous body. The content of oxygen in an aluminum porous body surface is 3.1% by mass or less. The aluminum porous body includes an aluminum alloy containing at least one Cr, Mn and transition metal elements. The aluminum porous body can be prepared by a method in which, after an aluminum alloy layer is formed on the surface of a resin of a resin body having continuous pores, the resin body is heated to a temperature of the melting point of the aluminum alloy or less to thermally decompose the resin body while applying a potential lower than the standard electrode potential of aluminum to the aluminum alloy layer with the resin body dipped in a molten salt. | 2012-06-07 |
20120141883 | Lithium-Ion Electrolytes With Improved Safety Tolerance To High Voltage Systems - The invention discloses various embodiments of electrolytes for use in lithium-ion batteries, the electrolytes having improved safety and the ability to operate with high capacity anodes and high voltage cathodes. In one embodiment there is provided an electrolyte for use in a lithium-ion battery comprising an anode and a high voltage cathode. The electrolyte has a mixture of a cyclic carbonate of ethylene carbonate (EC) or mono-fluoroethylene carbonate (FEC) co-solvent, ethyl methyl carbonate (EMC), a flame retardant additive, a lithium salt, and an electrolyte additive that improves compatibility and performance of the lithium-ion battery with a high voltage cathode. The lithium-ion battery is charged to a voltage in a range of from about 2.0 V (Volts) to about 5.0 V (Volts). | 2012-06-07 |
20120141884 | NONAQUEOUS ELECTROLYTE LITHIUM ION SECONDARY BATTERY - The present invention provides a lithium-ion secondary battery with excellent high-temperature storage characteristics. The lithium-ion secondary battery provided by the present invention has positive and negative electrodes capable of absorbing and desorbing lithium ions, and an electrolyte solution containing a lithium salt as a supporting salt in an organic solvent. The nonaqueous electrolyte contains not only the lithium salt, but also at least one type of dicarboxylic acid as additive A; and at least one type of additive selected from vinylene carbonate, vinylethylene carbonate, ethylene sulfite, and fluoroethylene carbonate as additive B. | 2012-06-07 |
20120141885 | NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY - A subject for the invention is to improve the cycle characteristics of a high-capacity secondary battery containing an active material packed at a high density, by using a particulate active material having a low aspect ratio. | 2012-06-07 |
20120141886 | NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY - A subject for the invention is to improve the cycle characteristics of a high-capacity secondary battery containing an active material packet at a high density, by using a particulate active material having a low aspect ratio. | 2012-06-07 |
20120141887 | NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY - A subject for the invention is to improve the cycle characteristics of a high-capacity secondary battery containing an active material packed at a high density, by using a particulate active material having a low aspect ratio. | 2012-06-07 |
20120141888 | OXYGEN-CONSUMING ELECTRODE AND PROCESS FOR THE PRODUCTION THEREOF - The present invention relates to an oxygen-consuming electrode comprising at least one support element in the form of a sheet-like structure and a coating comprising a gas diffusion layer and a catalytically active component, wherein the oxygen-consuming electrode is additionally coated with a fluoropolymer which is soluble in solvents. | 2012-06-07 |
20120141889 | LITHIUM AIR BATTERY - A lithium air battery including: a negative electrode including lithium; a positive electrode using oxygen as a positive active material; and an organic electrolyte, wherein the organic electrolyte includes a metal-ligand complex. | 2012-06-07 |
20120141890 | FUEL CELL SYSTEM - A fuel cell system is provided. More specifically, the fuel cell system is made up of an aggregate of unit fuel cells, an air supply unit, a humidifier, a hydrogen supply unit, and a valve unit. The valve unit is configured to be connected to a stack and the humidifier. This valve unit prevents external air from being introduced to an air supply path and an air exhaust path through the humidifier when the stack is turned off. More specifically, the valve unit includes a valve body component constituting the air supply path as first and second valve passages and the air exhaust path as third and fourth valve passages and an opening and closing component for opening and closing the air supply path and the air exhaust path. | 2012-06-07 |
20120141891 | FUEL CONTROL SYSTEM AND METHOD FOR FUEL CELL SYSTEM - The present invention provides a fuel control system and method, e.g., for a vehicle fuel cell system, which can efficiently supply hydrogen to a fuel cell stack and increase the efficiency of an ejector. For this purpose, the present invention provides a fuel control system having a series-connected multi-stage pressure control structure, in which an additional injector is provided in series between an injector for controlling the pressure of hydrogen supplied, a pressure control valve, or a pressure control actuator and a hydrogen recirculation ejector in a hydrogen supply passage, through which hydrogen is supplied from a hydrogen supply unit to a fuel cell stack, such that the pressure of hydrogen supplied is controlled in stages. | 2012-06-07 |
20120141892 | PORTABLE FUEL CELL POWER SOURCE - Embodiments of the present invention relate to a portable fuel cell power source including an expandable enclosure, a first reactant contained within the enclosure, one or more fuel cells and a fluid port positioned in the expandable enclosure and adapted to be in fluidic communication with the one or more fuel cells. The enclosure may also include an opening to insert a second reactant. When the first reactant is contacted with the second reactant a fuel is generated for use with one or more of the fuel cells. The volume of the portable fuel cell power source in a collapsed state may be smaller than the volume of the amount of first reactant and second reactant needed to substantially consume the first reactant in a fuel generation reaction. | 2012-06-07 |
20120141893 | STEPPED STEAM REFORMER - Embodiments are disclosed that relate to increasing heat transfer in a steam reformer. For example, one disclosed embodiment provides a steam reformer including an outer wall and an inner wall which includes a step extending outward toward the outer wall and downward toward a bottom of the steam reformer at a position between a top of the steam reformer and the bottom of the steam reformer. The steam reformer further includes a reaction chamber disposed between the outer wall and the inner wall. | 2012-06-07 |
20120141894 | STEAM REFORMER WITH RECUPERATIVE HEAT EXCHANGER - Embodiments are disclosed that relate to temperature distribution in a reaction chamber of a steam reformer. For example, one disclosed embodiment provides a steam reformer, comprising a central chamber through which feed gas flows, a reaction chamber surrounding the central chamber and having an inner wall and an outer wall, and a recuperative heat exchanger disposed between the inner wall of the reaction chamber and the central chamber. | 2012-06-07 |
20120141895 | SYSTEM AND METHOD FOR CONTROLLING OPERATION OF FUEL CELL HYBRID SYSTEM - The present invention provides a hybrid fuel cell system that is configured to determine if an idle stop condition has been satisfied during a normal operation mode of the hybrid fuel cell system, cut off air supply to a fuel cell to stop power generation of the fuel cell and reduce a voltage which the fuel cell outputs in response to determining that the idle stop condition has been satisfied. The voltage of a bidirectional converter, connected between a battery and a bus terminal is reduced and the output of the fuel cell is controlled, based on a first predetermined value and maintained at that first predetermined value. Subsequently, the battery is charged via the output current of the fuel cell generated by maintaining the reduced voltage of the bidirectional converter. | 2012-06-07 |
20120141896 | FUEL CELL SYSTEM AND METHOD OF CONTROLLING THE SAME - Disclosed are a fuel cell system and a method of controlling the system to efficiently remove air flowing into an anode side and a cathode side during a stop of a fuel cell vehicle to prevent an overvoltage of a fuel cell stack that is generated at the time of a start-up thereby enhancing a durability of a fuel cell stack. The fuel cell system illustratively includes a concentration detector mounted at a cathode side and/or an anode side of a fuel cell stack to detect the oxygen concentration in the air; a controller that outputs a control signal to release air when the oxygen concentration is greater than a set value; and an absorber that absorbs air from the cathode side and/or the anode side through an absorption line in response to the control signal output from the controller to thereby release the absorbed air to the outside. | 2012-06-07 |
20120141897 | COOLING METHOD FOR FUEL CELL - A start-up method for a fuel cell system that includes a fuel cell that carries out power generation by the electrochemical reaction between a fuel gas and the oxygen gas in the air; a fuel gas discharge path and a fuel gas supply path that are connected to the fuel cell; a fuel gas circulation path in which the fuel gas discharge path merges with the fuel gas supply path; and a purge valve provided on the fuel gas circulation path in order to discharge the circulating fuel gas from the fuel gas circulation path. The method includes the steps of opening the purge valve at the same time that the fuel gas is supplied to the fuel cell and replacing the nitrogen gas that originates in the air and is present in the fuel gas circulation path by fuel gas; and closing the purge valve after the nitrogen gas in the fuel gas circulation path has been replaced by the fuel gas. | 2012-06-07 |
20120141898 | FUEL CELL SYSTEM - When starting operation of a fuel cell below the freezing point, a fuel cell system adjusts the open degree of a hydrogen pressure adjusting valve, introduces hydrogen to a hydrogen entrance of the fuel cell so as to make the total pressure of the hydrogen entrance is a first pressure, and starts a hydrogen circulation pump. If at least one of the cell voltages acquired by a cell voltmeter is below a predetermined voltage, the system determines that clogging is caused in a hydrogen flow channel in the fuel cell. When it is determined that clogging is present, the open degree of the pressure adjusting valve is adjusted and hydrogen is introduced to the hydrogen entrance so that the total pressure of the hydrogen entrance is a second pressure which is higher than the first pressure. Then, the hydrogen circulation pump is stopped and the fuel cell is warmed up to dissolve the clogging of the hydrogen flow channel. Thus, it is possible to suppress degradation of the fuel cell upon an operation start below the freezing point. | 2012-06-07 |
20120141899 | METHOD OF CONTROLLING WATER CONTENT OF FUEL CELL AND FUEL CELL SYSTEM - The present invention is to properly adjust a water content in a cell of a fuel cell in response to a wide variety of conditions. A method of controlling a water content in a cell of a fuel cell, wherein a flow rate and pressure of a hydrogen gas supplied to an anode electrode of the cell of the fuel cell are adjusted so as to satisfy a restrictive condition in order to control a water content in the cell of the fuel cell. A water content state in the cell is detected and, based on the detection result, a flow rate and pressure of the hydrogen gas are adjusted so that a water content in the cell equals a target water content. | 2012-06-07 |
20120141900 | FUEL CELL SYSTEM - A fuel cell system includes at least one cooling channel that extends between a housing and a fuel cell stack disposed within the housing. The cooling channel has an inlet and an outlet for producing a gas flow in the cooling channel. As a result, a gas flow may be used for cooling and at the same time may be used for ventilation of the cathode. | 2012-06-07 |
20120141901 | SEPARATOR PLATE DESIGN WITH IMPROVED FREEZE START-UP - A fuel cell plate is disclosed, the fuel cell plate including a first unipolar plate, a second unipolar plate cooperating with the first unipolar plate to form a bipolar plate having a coolant inlet, a coolant outlet, a reactant inlet, and a reactant outlet, and a coolant flow channel in fluid communication with the coolant inlet formed intermediate the first unipolar plate and the second unipolar plate, the coolant flow channel having a second portion disposed between a first portion and a third portion thereof adjacent to the reactant outlet, wherein the second portion is spaced apart from the reactant inlet at a first distance and the first portion and the third portion are each spaced apart from the reactant inlet at a distance greater than the first distance. | 2012-06-07 |
20120141902 | FUEL CELL STACK WITH ENHANCED FREEZE-THAW DURABILITY - The present invention provides a fuel cell stack with enhanced freeze-thaw durability. In particular, the fuel cell stack includes a gas diffusion layer between a membrane-electrode assembly and a bipolar plate. The gas diffusion layer has a structure that reduces contact resistance in a fuel cell and is cut at a certain angle such that the machine direction (high stiffness direction) of GDL roll is not in parallel with the major flow field direction of the bipolar plate, resulting in an increased GDL stiffness in a width direction perpendicular to a major flow field direction of a bipolar plate. | 2012-06-07 |
20120141903 | FLAT-TUBULAR SOLID OXIDE CELL STACK - Disclosed herein is a flat-tubular solid oxide cell stack. The cell stack includes a plurality of unit cells which are stacked one on top of another. Each unit cell includes a flat-tubular electrode support made of a porous conductive material. A first-gas flow channel is formed in the electrode support in a longitudinal direction thereof. First gas flows along the first-gas flow channel. A second-gas flow channel is formed on the outer surface of the electrode support. Second-gas flows along the second-gas flow channel. A connection hole is formed on each of opposite ends of the first-gas flow channel of each of the unit cells and communicates with the first-gas flow channel of the adjacent unit cell so that the first gas flows along the unit cells in a zigzag manner in the longitudinal directions of the unit cells. | 2012-06-07 |