Patent application number | Description | Published |
20080233444 | FUEL CELL SYSTEM - A fuel cell system includes: a mixing tank storing a fuel solution; a power generator comprising a membrane electrode assembly having an electrolyte membrane, an anode electrode and a cathode electrode, generating power by reaction of the fuel solution with air; a fuel circulation unit circulating the fuel solution to the anode electrode; an air supply unit supplying air to the cathode electrode; and an air supply mechanism supply air to the anode electrode so as to discharge the fuel solution from the inside of the anode electrode to the mixing tank. | 09-25-2008 |
20080233450 | FUEL CELL - A fuel cell includes: a membrane electrode assembly having: an electrolyte membrane, anode and cathode catalyst layers, and anode and cathode gas diffusion layers; a cathode porous body provided at an outer side of the cathode gas diffusion layer; and a cathode member provided at an outer side of the cathode porous body, an inner side of the cathode member having a protruded portion facing to the outer side of the cathode porous body, wherein a pressure is applied to the cathode porous body through the protruded portion of the cathode member so as to compress the cathode porous body. | 09-25-2008 |
20080241617 | FUEL CELL - A fuel cell includes a gas discharge passage structure which includes one end portion connected to a liquid fuel supply passage structure in an anode electrode side of an electrolytic membrane and the other end portion opened to an outer space, the one end portion configured to separate gas and liquid from each other, and a gas-liquid separation accelerating structure increasing a pressure of a liquid fuel in the liquid fuel supply passage structure in the anode side of the membrane higher than a pressure of a gas at the one end portion of the gas discharge passage structure, and discharging a gas which is produced from the fuel in the anode side of the membrane and which is not passed through the membrane, from the liquid fuel supply passage structure in the anode side of the membrane to the one end portion of the gas discharge passage structure. | 10-02-2008 |
20080241618 | FUEL CELL - A fuel cell is provided with an assembly including an electrolytic membrane and anode and cathode electrodes on both sides of the membrane, a unit providing a path for supplying liquid fuel to the anode side of the membrane, a unit providing a path for supplying air to the cathode electrode side of the membrane, a unit providing a path for discharging gas from the anode electrode side of the membrane, and stacking members stacked in a state of sealing each other on an outer surface of the anode electrode. In this cell, the anode electrode and the stacking members configure a stacking structure, the liquid fuel supply path includes at least one through-hole passing through the stacking structure, and the gas discharge path includes at least one through-hole passing through the stacking structure independently of the at least one through-hole of the liquid fuel supply path. | 10-02-2008 |
20080241635 | FUEL CELL - A fuel cell include a membrane electrode assembly including an anode, a cathode opposed to the anode, and an electrolyte membrane interposed between the anode and the cathode; a lyophobic porous body in contact with the anode; and an anode passage plate in contact with the lyophobic porous body, the anode passage plate including a gas collection passage and a fuel supplying passage, the gas collection passage collects a gas generated in the anode via the lyophobic porous body, the fuel supplying passage supplies a fuel to the anode via the lyophobic porous body. | 10-02-2008 |
20080248359 | FUEL CELL - A fuel cell includes a membrane electrode assembly including an electrolyte membrane, and anode and cathode electrodes sandwiching the electrolyte membrane therebetween; a gas/liquid separation layer provided at an opposite side of the anode electrode with the electrolyte membrane; an auxiliary porous layer provided on the gas/liquid separation layer; and an anode passage plate provided on the auxiliary porous layer, including a fuel passage, wherein the auxiliary porous layer is softer than the gas/liquid separation layer and the anode passage plate, and including lyophobic, electric conductive and gas permeability properties. | 10-09-2008 |
20090011300 | FUEL CELL SYSTEM AND CONTROL METHOD THEREOF - In a fuel cell system, mixture fuel having a certain fuel concentration is supplied to an anode, electric power is output from between the anode and the cathode due to electrochemical reaction when the cathode makes contact with air, and unreacted fuel containing unreacted fuel is discharged from the anode. A fuel circulating path for circulating the unreacted fuel to the anode is connected to the power generating unit and fuel is supplied from the fuel supplying unit to the fuel circulating path depending on a reduction in pressure of the mixture fuel. The temperature of the power generating unit is controlled according to the concentration of the mixture fuel supplied to the anode. Consequently, a fuel cell system, which can achieve reduction of the size thereof without dropping fuel usage efficiency, can be provided. | 01-08-2009 |
20090023046 | Porous Transport Structures for Direct-Oxidation Fuel Cell System Operating with Concentrated Fuel - One embodiment provides a direct oxidation fuel cell, comprising, in the following order, a catalyst layer; an optional microporous layer; an optional backing layer; and an electrically conductive porous transport structure, comprising, in the following order, a porous body, and an impermeable layer in contact with the porous body. Another embodiment provides a direct oxidation fuel cell, comprising an electrically conductive porous transport structure, comprising a porous body, and an impermeable layer in contact with the porous body; wherein the direct oxidation fuel cell achieves a net water transport coefficient, α, of less than about 0.6 at an operation temperature ranging from about 60 to about 80° C. | 01-22-2009 |
20090068519 | FUEL CELL AND METHOD OF MANUFACTURING THE SAME - A fuel cell having power-generating cells. The power-generating cells face each other, each having an anode-path plate provided on that surface that faces away from a proton conducting membrane. Heat-radiating fins are provided on the power-generating cells, respectively. Each heat-radiating fin has an exposed portion that contacts the anode-path plate of the associated power-generating cell and extends from the associated power-generating cell. The fuel cell can therefore keep generating electric power in a good condition. | 03-12-2009 |
20090081488 | FUEL CELL - A fuel cell includes: a membrane electrode assembly containing an anode and a cathode which are disposed opposite to one another via an electrolytic membrane; an anode channel plate adjacent to the anode and supplying a prescribed fuel to the anode; and a cathode channel plate adjacent to the cathode, supplying air to the cathode and containing a platy member which is elongated in a direction different from a supplying direction of the air to the cathode. | 03-26-2009 |
20090081504 | FUEL CELL - A fuel cell includes: a membrane electrode assembly containing an anode and a cathode which are disposed opposite to one another via an electrolytic membrane; a fuel tank for reserving a fuel to be supplied to the anode of the membrane electrode assembly; a fuel supplying path for connecting the anode and the fuel tank; and a pressurized fuel supplier which is disposed at the fuel supplying path and configured so as to supply the fuel to the anode from the fuel tank by pressurizing the fuel. | 03-26-2009 |
20090104499 | FUEL CELL POWER GENERATING SYSTEM AND METHOD OF MANUFACTURING THE SAME - A fuel cell system has a membrane electrode composite including an anode, cathode and an electrolyte membrane sandwiched between the anode and the cathode. A lyophobic porous member is located adjacent to the anode, and an anode channel plate is also located adjacent to the porous member. A gas recovery channel and a fuel supply channel are formed in the anode channel plate, gas generated at the anode side is recovered in the gas recovery channel and a liquid fuel is supplied to the anode through the fuel supply channel. The generating system also includes a circulating system along which the fuel circulates, and a fuel supply section that supplies fuel to the circulating system. | 04-23-2009 |
20090162712 | FUEL CELL - According to an aspect of the present invention, there is provided a fuel cell including: a membrane electrode assembly including: an electrolyte membrane; anode and cathode catalyst layers respectively disposed on the electrolyte membrane; and anode and cathode gas diffusion layers respectively disposed on the anode and cathode catalyst layers; a cathode porous body including a front face portion and a rear face portion and being disposed on the cathode gas diffusion layer at the front face portion, the front face portion having an electric conductivity higher than that of air and having a hydrophilicity higher than that of the rear face portion; an anode passage plate disposed on the anode gas diffusion layer; and an air supply apparatus that supplies air toward an end of the cathode porous body. | 06-25-2009 |
20090246581 | FUEL CELL SYSTEM AND COOLING AIR SUPPLYING METHOD OF FUEL CELL - In a method of cooling a fuel cell, a fuel cell is provided with a housing in which first and second flow paths are defined to flow first and second airflows on first and second surfaces of the fuel cell, and the first flow path is communicated with the second flow path through air flow paths formed in a cathode electrode of the cell. An adjustable pressure difference is produced between the first and second airflows in the first and second flow paths to produce airflows in the air flow paths. Thus, the airflows in the air flow paths are adjusted in accordance with the pressure difference. | 10-01-2009 |
20100233566 | FUEL CELL AND FUEL CELL SYSTEM - A fuel cell includes a cell stack in which a plurality of unit cells each including a membrane electrode assembly with an anode electrode and a cathode electrode, and an anode flow plate connected to the anode electrode, and a gap portion which supplies oxygen amount greater than or equal to a consuming oxygen amount of the cathode electrode by diffusion onto the cathode electrode surface, are provided on the cathode electrode surface; a container unit containing the cell stack, having one face and another face in a direction parallel to a stacking direction of the unit cells; a duct unit arranged on at least one of the one face and the another face, and connected to the gap portion, and a fan which supplies the oxygen to the duct unit. | 09-16-2010 |
20100255395 | FUEL CELL SYSTEM AND CONTROL METHOD THEREOF - There are provided a power generation unit, a fuel tank, a line, a mixing tank, a fuel circulation unit which circulates a mixture fuel from the mixing tank to the mixing tank via the power generation unit and the line, a fuel supplier which supplies the fuel from the fuel tank to the mixing tank, an air supplier which supplies air to a cathode, a power adjustment unit which adjusts the current applied to the load in accordance with a generated power output, a fan which adjusts the temperature of the power generator, and a control unit which detects the concentration and volume of the mixture fuel and manipulates, on the basis of a detection result, the fuel circulation unit, the fuel supplier, the load of the power adjustment unit, the air supplier and the fan to control the concentration and volume of the mixture fuel. | 10-07-2010 |
20120231609 | VAPOR-PHASE GROWING APPARATUS AND VAPOR-PHASE GROWING METHOD - According to one embodiment, a vapor-phase growing apparatus, includes: a reactor containing a gas introduction portion and a gas reaction portion continued from the gas introduction portion; a susceptor, of which a surface is exposed in an interior space of the gas reaction portion of the reactor, for disposing and fixing a substrate on the surface thereof; a plurality of gas inlet conduits which are arranged subsequently along a direction of height of the reactor in the gas introduction portion of the reactor; and a switching device, which is provided in an outside of the reactor, for switching gases to be supplied to the gas inlet conduits, respectively. | 09-13-2012 |
20120231610 | VAPOR-PHASE GROWING APPARATUS AND VAPOR-PHASE GROWING METHOD - According to one embodiment, a vapor-phase growing apparatus, includes: a reactor containing a plurality of gas introduction portions and a gas reaction portion located below the gas introduction portions; a susceptor, of which a surface is exposed in an interior space of the gas reaction portion of the reactor, for disposing and fixing a substrate on the surface thereof; a gas distributor provided between the gas introduction portions and the gas reaction portion of the reactor; a plurality of gas inlet conduits which are connected with the gas introduction portions, respectively; and a switching device, which is provided in an outside of the reactor, for switching gases to be supplied to the gas inlet conduits, respectively. | 09-13-2012 |
20130022743 | VAPOR GROWTH APPARATUS AND VAPOR GROWTH METHOD - A vapor growth apparatus according to an aspect of the present invention includes a reaction chamber into which a wafer is loaded, a first valve which is connected to the reaction chamber and controls a flow rate of a first exhaust gas discharged from the reaction chamber, a first pump which is provided on a downstream side of the first valve and discharges the first exhaust gas, a first pressure gauge which detects a first pressure that is a pressure of the reaction chamber, a first pressure control unit which controls the first valve based on the first pressure, a second pressure gauge which detects a second pressure that is a pressure between the first valve and the first pump, and a second pressure control unit which controls an operation volume of the first pump based on the first pressure and the second pressure. | 01-24-2013 |
20130036968 | FILM-FORMING APPARATUS AND METHOD - A film-forming apparatus and method comprising a film-forming chamber for supplying a reaction gas, a cylindrical shaped liner provided in the film-forming chamber, a straightening vane provided above the liner for the reaction gas to pass through, wherein the outside of the film-forming chamber connects the inside of the liner via a substrate transfer portion provided at the wall of the film-forming chamber by moving the straightening vane from the position that the straightening vane closes the upper opening of the liner. A substrate supporting portion provided in the liner, for supporting the substrate before the film-forming to move the substrate in a vertical direction, a substrate transfer unit capable of moving inside the film-forming chamber through the substrate transfer portion, wherein the substrate is transferred between the substrate supporting portion and the substrate transfer unit. | 02-14-2013 |
20130068164 | HEATING UNIT AND FILM-FORMING APPARATUS - A heating unit and a film-forming apparatus comprising of a film-forming chamber, a heating unit for heating a substrate placed in the film-forming chamber, wherein the heating unit comprises of a heat source with a plane surfaced top, an electrode contacting electrically with the heat source, wherein the heat source has a ring-shape or a disk-shape that is formed by an individual, or plurality of heat source members. Wherein the heat source is comprised of a material selected from a group consisting of a carbon (C) material, a carbon material or a silicon carbide (SiC) material coated with silicon carbide (SiC), and a silicon carbide (SiC) material, and wherein the heat source has a ratio of the width (a) of the top portion direction to the thickness (X) of the side part (a/X) is 3 to 10. | 03-21-2013 |
20130084390 | FILM-FORMING APPARATUS AND FILM-FORMING METHOD - A film-forming apparatus and film-forming method comprising a film-forming chamber for being supplied a reaction gas, a substrate placed on a susceptor in the film-forming chamber, a heater for heating the substrate, a transfer chamber adjacent to the film-forming chamber, transferring the substrate to the film-forming chamber, measuring the temperature of the substrate, rotating the substrate via the susceptor, a detecting unit for detecting rotating direction and angle of the rotating unit, generating data of the substrate using temperature data of the substrate measured by the temperature-measuring unit while the substrate is rotating, and positional data of coordinates at which temperature is measured, generated based on the rotating direction and angle, acquiring data of the movement direction and amount of positional error of the substrate based on the data, a control unit for adjusting position of the transfer unit based on the amount of position error of the substrate. | 04-04-2013 |
20130104800 | FILM-FORMING METHOD AND FILM-FORMING APPARATUS | 05-02-2013 |
20130152853 | FILM-FORMING APPARATUS AND FILM-FORMING METHOD - A film-forming apparatus | 06-20-2013 |
20130156950 | FILM-FORMING APPARATUS AND FILM-FORMING METHOD - A film-forming apparatus | 06-20-2013 |
20130220377 | METHOD OF CLEANING A FILM-FORMING APPARATUS - A method of cleaning a film-forming apparatus to remove at least a part of a silicon-based material deposited on a constituent member of the film-forming apparatus after used to form thin films includes introducing a first-gas including fluorine gas and a second gas including nitrogen monoxide gas into the film-forming apparatus, and heating the constituent member. The constituent member includes quartz or silicon carbide, and the silicon-based material includes silicon nitride. | 08-29-2013 |
20130247816 | FILM-FORMING APPARATUS FOR THE FORMATION OF SILICON CARBIDE AND FILM-FORMING METHOD FOR THE FORMATION OF SILICON CARBIDE - A film-forming apparatus and method for the formation of silicon carbide comprising, a film-forming chamber to which a reaction gas is supplied, a temperature-measuring unit which measures a temperature within the chamber, a plurality of heating units arranged inside the chamber, an output control unit which independently controls outputs of the plurality of heating units, a substrate-transferring unit which transfers a substrate into, and out of the chamber, wherein the output control unit turns off or lowers at least one output of the plurality of heating units when the film forming process is completed, when the temperature measured by the temperature-measuring unit reaches a temperature at which the substrate-transferring unit is operable within the chamber, then at least one output of the plurality of heating units turned off or lowered, is turned on or raised, and the substrate is transferred out of the film-forming chamber by the substrate-transferring unit. | 09-26-2013 |
20130255569 | FILM-FORMING APPARATUS AND FILM-FORMING METHOD - A film-forming apparatus and film-forming method comprising, a chamber, a first gas supply unit supplying a reaction gas for a film-forming process to the chamber, a substrate-supporting portion supporting a substrate placed in the chamber, a heating unit heating the substrate from below the substrate-supporting portion, a rotary drum supporting the substrate-supporting portion on a top thereof, and including the heating unit disposed therein, a rotary shaft disposed in a lower part of the chamber, and rotating the rotary drum, a reflector reflecting heat from the heating unit, surrounding the rotary drum, and being disposed so as to have an upper end higher in height than an upper end of the substrate-supporting portion, and a second gas supply unit supplying a hydrogen gas or an inert gas between the rotary drum and the reflector. | 10-03-2013 |
20140209015 | VAPOR PHASE GROWTH APPARATUS AND VAPOR PHASE GROWTH METHOD - A vapor phase growth apparatus in an embodiment includes: a shower plate in an upper portion of the reaction chamber, the shower plate having first lateral gas flow passages in a first horizontal plane, first longitudinal gas flow passages being connected to the first lateral gas flow passages, the first longitudinal gas flow passages extending in a longitudinal direction, each of the first longitudinal gas flow passages having a first gas ejection hole, the shower plate having second lateral gas flow passages in a second horizontal plane upper than the first horizontal plane, second longitudinal gas flow passages being connected to the second lateral gas flow passages, the second longitudinal gas flow passages extending in the longitudinal direction through between the first lateral gas flow passages, each of the second longitudinal gas flow passages having a second gas ejection hole, and a support unit provided below the shower plate. | 07-31-2014 |
20140366803 | VAPOR PHASE GROWTH APPARATUS - A vapor phase growth apparatus of an embodiment includes: a reaction chamber; a shower plate disposed in the upper portion of the reaction chamber to supply a gas into the reaction chamber; and a support portion disposed below the shower plate inside the reaction chamber to place a substrate thereon. Then, the shower plate includes a plurality of first and second lateral gas passages disposed within different horizontal planes and first and second gas ejection holes connected to the first and second lateral gas passages. Further, the shower plate includes a center lateral gas passage that passes through a position directly above the rotation center of the support portion and third gas ejection holes connected to the center lateral gas passage. Then, the gases ejected from the first and second gas ejection holes and the center gas ejection holes are independently controllable. | 12-18-2014 |
20140370691 | VAPOR PHASE GROWTH APPARATUS AND VAPOR PHASE GROWTH METHOD - A vapor phase growth apparatus of an embodiment includes: a reaction chamber; a shower plate disposed in the upper portion of the reaction chamber to supply a gas into the reaction chamber; a support portion provided below the shower plate inside the reaction chamber to place a substrate thereon; a process gas supply line that supplies a process gas; and a purging gas supply line that supplies a gas obtained by mixing first and second purging gases selected from hydrogen and an inert gas. Then, an inner area of the shower plate is provided with process gas ejection holes, and an outer area of the shower plate is provided with purging gas election holes. Then, the process gas supply line is connected to the process gas ejection holes, and the purging gas supply line is connected to the purging gas ejection holes. | 12-18-2014 |
20150013594 | VAPOR PHASE GROWTH APPARATUS AND VAPOR PHASE GROWTH METHOD - A vapor phase growth apparatus of an embodiment includes: a reaction chamber; a first gas supply path configured to supply a first process gas including organic metal and a carrier gas into the reaction chamber; a second gas supply path configured to supply a second process gas including ammonia into the reaction chamber; a first carrier gas supply path configured to supply a first carrier gas of a hydrogen or inert gas into the first gas supply path while being connected to the first gas supply path and including a first mass flow controller; and a second carrier gas supply path configured to supply a second carrier gas of a hydrogen or inert gas different from the first carrier gas into the first gas supply path while being connected to the first gas supply path and including a second mass flow controller. | 01-15-2015 |