Entries |
Document | Title | Date |
20100209797 | FUEL CELL SYSTEM - A fuel cell system comprises a fuel cell, a reactant gas pipe for supplying a reactant gas to the fuel cell, and an injector for controlling the state of the gas on the upstream side in the reactant gas pipe and supplying the reactant gas to the downstream side by driving a valve element with an electromagnetic drive force at a predetermined drive cycle to separate the valve element from a valve seat. The injector is provided integrally in the fuel cell, and hence the vibration and noise of the injector can be absorbed and suppressed by the fuel cell as a heavy article. | 08-19-2010 |
20100255399 | FUEL CELL EJECTOR WITH INTEGRATED CHECK VALVE - An ejector for a fuel cell stack is disclosed, wherein the ejector includes an integrated check valve that supports hydrogen recirculation and militates against a backflow of hydrogen flowing through the ejector. | 10-07-2010 |
20100285383 | REPEATER UNIT FOR A FUEL CELL STACK - The invention relates to a repeating unit for a fuel cell stack comprising a membrane electrode assembly and a flow field designed to supply an active surface of the membrane electrode assembly with gas and comprising at least a gas passage orifice. According to the invention it is contemplated that a gas-tight gas flow barrier is disposed between the active surface and the gas passage orifice so that gas passing through the first gas passage orifice flows around the gas flow barrier, wherein the projection of the gas flow barrier towards the periphery of the active surface is at least half as long as the projection of the gas passage orifice towards the periphery of the active surface. | 11-11-2010 |
20100285384 | FUEL CELL - Disclosed is a fuel cell including: a membrane electrolyte assembly which includes a polymer electrolyte membrane and a pair of catalyst electrodes between which the polymer electrolyte membrane is held; and separators A and B between which the membrane electrolyte assembly is held, wherein the separator A includes first gas flow channels a | 11-11-2010 |
20100285385 | Fuel Cell Stack Having Current Flow Across Diffusion Media - A fuel cell stack includes a plurality of adjacently stacked fuel cell modules each of which includes a plurality of adjacently aligned fuel cells that are connected in electrical series. The current flow between adjacent fuel cells is achieved across diffusion media of said adjacent fuel cells. | 11-11-2010 |
20110039180 | FUEL CELL STACK, AND METHOD FOR THE PRODUCTION OF A FUEL CELL STACK - The invention relates to a fuel cell stack comprising a base plate supporting fuel cells and a cap of an electrically insulating material, particularly of ceramics, for electrically insulating the fuel cells stacked on top of each other partially enveloping the fuel cells stacked on top of each other. According to the invention it is contemplated that a metal cap provided for guiding cathode gas envelops the cap including the fuel cells together with the base plate and that the metal cap is attached to the base plate in a sealed manner. The invention further relates to a method for producing a fuel cell stack. | 02-17-2011 |
20110076585 | Fuel Cell Stack Compression Devices and Methods - A ceramic baffle is configured to place a load on a stack of electrochemical cells and direct a reactant feed flow stream to the stack. | 03-31-2011 |
20110097640 | FUEL CELL STACK AND FUEL CELL USING THE SAME - A fuel cell stack of the present invention includes: a membrane electrode assembly, formed by stacking an anode electrode, a cathode electrode, and an electrolyte membrane interposed between the anode electrode and the cathode electrode; and a sealing structure for preventing a fuel that is supplied to the anode electrode and a gas containing an oxidizer that is supplied to the cathode electrode from leaking in a direction different from a stacking direction of the membrane electrode assembly, and has a configuration where pressing force of the sealing structure on the anode electrode side is set larger than pressing force on the cathode electrode side. There are provided a fuel cell stack having a sealing structure excellent in assembly property and replacement property, and a fuel cell using the same. | 04-28-2011 |
20110189575 | METHOD FOR MANUFACTURING POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL, MEMBRANE ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE MEMBRANE FUEL CELL - Provided are a method for manufacturing a polymer electrolyte membrane for a fuel cell, a membrane electrode assembly and a polymer electrolyte membrane fuel cell. The manufacturing method includes (S | 08-04-2011 |
20120009495 | CONCENTRATION SENSOR USING AN ELECTROLYTIC CELL FOR AQUEOUS HYDROCARBON FUEL - A concentration sensor assembly for measuring a concentration of a aqueous hydrocarbon fuel to be supplied to a fuel cell stack, the assembly including a membrane electrode assembly having an anode, a cathode and an electrolyte membrane located between the anode and the cathode; a first monopolar flow field plate provided near the anode; a second monopolar flow field plate provided near the cathode; and a liquid gas separator. | 01-12-2012 |
20120028159 | COMPRESSION CASING FOR A FUEL CELL STACK AND A METHOD FOR MANUFACTURING A COMPRESSION CASING FOR A FUEL CELL STACK - A fuel cell or electrolysis cell stack has force distribution members with one planar and one convex shape applied to at least its top and bottom face and in one embodiment further to two of its side faces. A compressed mat and further a rigid fixing collar surrounds the stack and force distribution members, whereby the stack is submitted to a compression force on at least the top and bottom face and potentially also to two side faces. The assembly is substantially gas tight in an axial direction of the primarily oval or circular shape and can be fitted with gas tight end plates to form robust gas inlet and outlet manifolds. | 02-02-2012 |
20120082916 | HIGH PRESSURE TANK VALVE SEALING BY USING THE ELASTIC PROPERTIES OF O-RINGS - A valve for a pressure vessel system includes a housing having a cavity defined by an inner surface of the housing. The housing further includes a rod aperture and a pair of fluid flow ports. An actuator is disposed adjacent the housing. The valve also includes a piston having a rod coupled to a piston head. The piston head is disposed in the cavity of the housing, and the rod disposed through the rod aperture. The rod is also coupled to the actuator. A ring seal is disposed between the piston head and an inner surface of the housing. The ring seal biases the piston head toward one of the fluid flow ports and seals the one of the fluid flow ports to close the valve when the actuator is deactivated. The ring seal is elastically deformed and the fluid flow ports are opened when the actuator is activated. | 04-05-2012 |
20120156582 | FUEL CELL - The invention provides a method of operating a fuel cell comprising a solid anion exchange membrane, the method comprising contacting an anode in the fuel cell with urea, ammonia or an ammonium salt and contacting the cathode with an oxidant whereby to generate electricity. | 06-21-2012 |
20120196203 | FUEL CELL STACK - A fuel cell stack is equipped with a stacked body constituted by stacking a plurality of power generating elements, which contain an electrolytic membrane and electrocatalytic layers arranged at both surfaces of the electrolytic membrane, via a separator for providing a flow path for supplying reaction gas to the electrocatalytic layer, and collector plates arranged at both ends of the stacked body, for collecting electricity generated by the stacked body and outputting it to the outside, wherein on the separator and the collector plate are formed at least one of an anode exhaust gas exhaust hole for exhausting anode exhaust gas, a cathode exhaust gas exhaust hole for exhausting cathode exhaust gas, and a medium supply hole for supplying into the stacked body a medium for maintaining the temperature of the stacked body at an approximately fixed level, and at the anode side collector plate arranged at the anode side end of the stacked body, an output terminal for outputting at least part of the collected electricity to the outside is provided in the vicinity of at least one of the anode exhaust gas exhaust hole, the cathode exhaust gas exhaust hole, and the medium supply hole. | 08-02-2012 |
20120237846 | ENERGY CONVERSION APPARATUS, IN PARTICULAR FUEL CELL STACK OR ELECTROLYZER - The invention relates to an apparatus ( | 09-20-2012 |
20120270131 | FUEL CELL UNIT AND FUEL CELL - A fuel cell unit of a fuel cell contains a first membrane electrode assembly having a frame portion on an outer circumference thereof, a first separator, a second membrane electrode assembly having a frame portion on an outer circumference thereof, a second separator, and a third separator. A plurality of resin pins are formed integrally on the frame portion of the first membrane electrode assembly. The resin pins are integrally inserted into holes in the first separator, holes in the second membrane electrode assembly, holes in the second separator, and holes in the third separator. | 10-25-2012 |
20120270132 | 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. | 10-25-2012 |
20130065151 | FUEL CELL AND ELECTRODE FOR FUEL CELL, AND ELECTRONIC DEVICE - In one example embodiment, an electronic device uses a fuel cell which reduces thickness of the overall fuel cell while reducing electrical resistance. In one example embodiment, a flow path that distributes an electrolyte is included between a fuel electrode and an oxygen electrode. In one example embodiment, a current collector on the fuel electrode side has a pair of current collector terminals in opposing-corner positions. Similarly, a current collector on the oxygen electrode side has a pair of current collector terminals in opposing-corner positions. The current collector terminals project outside the fuel cell. Thereby, connection of unit cells within the battery is facilitated, a monopolar plate structure becomes easier to use as the current collector, and distance of flowing current is shortened. | 03-14-2013 |
20130252127 | FUEL CELL STACK - A fuel cell stack includes a first separator and a second separator. The first separator includes a first sandwiching section for sandwiching an electrolyte electrode assembly, a fuel gas supply section, and a first bridge section. A fuel gas supply passage extends through the fuel gas supply section in the stacking direction. The second separator includes a second sandwiching section for sandwiching the electrolyte electrode assembly, an oxygen-containing gas supply section, and a second bridge section. An oxygen-containing gas supply passage extends through the oxygen-containing gas supply section. A first displacement absorbing mechanism, a second displacement absorbing mechanism, a third displacement absorbing mechanism and a fourth displacement absorbing mechanism are provided in the fuel gas supply section, the oxygen-containing gas supply section, the first sandwiching section and the second sandwiching section for absorbing displacement generated in the fuel cell stack. | 09-26-2013 |
20130273450 | TRI-BLOCK COPOLYMER AND ELECTROLYTE MEMBRANE MADE FROM THE SAME - Provided are a tri-block copolymer and an electrolyte membrane prepared therefrom. The tri-block copolymer has a structure of polar moiety-containing copolymer block/non-polar moiety-containing copolymer block/polar moiety-containing copolymer block, or non-polar moiety-containing copolymer block/polar moiety-containing copolymer block/non-polar moiety-containing copolymer block, and is useful for an electrolyte membrane for fuel cells. The electrolyte membrane for fuel cells prepared from the tri-block copolymer exhibits superior dimensional stability and excellent fuel cell performance. | 10-17-2013 |
20140023949 | Tri-Block Copolymer and Electrolyte Membrane Made from the Same - Provided are a tri-block copolymer and an electrolyte membrane prepared therefrom. The tri-block copolymer has a structure of polar moiety-containing copolymer block/non-polar moiety-containing copolymer block/polar moiety-containing copolymer block, or non-polar moiety-containing copolymer block/polar moiety-containing copolymer block/non-polar moiety-containing copolymer block, and is useful for an electrolyte membrane for fuel cells. The electrolyte membrane for fuel cells prepared from the tri-block copolymer exhibits superior dimensional stability and excellent fuel cell performance. | 01-23-2014 |
20140065506 | MODULE FOR A FUEL CELL STACK - A fuel cell stack ( | 03-06-2014 |
20140127601 | 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. | 05-08-2014 |
20140186738 | FUEL CELL STACK FOR PREVENTING DETERIORATION OF END CELL - A fuel cell stack preventing deterioration of an end cell, which has a structure for preventing cooling of a neighbor cell adjacent to a closed end plate, is provided. To this end, an open end plate and a closed end plate, which are provided on a first side and a second side, respectively, of the fuel cell stack, fasten a plurality of working cells together. More specifically, a hollow flow space is formed in an inner wall of the closed end plate to form an air pocket therein. | 07-03-2014 |
20140242492 | Fuel Cell Stack Compression Devices and Methods - A spring compression assembly is configured to apply a load to a stack of electrochemical cells. The assembly includes a ceramic leaf spring, a tensioner configured to apply pressure to a first side of the spring and a bottom plate located on a second side of the spring opposite the first side of the spring. The bottom plate is configured to transfer a load from the spring to the stack of electrochemical cells. | 08-28-2014 |
20140377679 | SOLID POLYMER ELECTROLYTE TYPE FUEL CELL, AND ELECTROLYTE MEMBRANE-ELECTRODE-FRAME ASSEMBLY - Provided is a solid polymer electrolyte type fuel cell having high durability. The fuel cell comprises a stack of single cell modules, each including an electrolyte membrane-electrode-frame assembly and a pair of separators. The electrolyte membrane-electrode-frame assembly includes a catalyst layer-attached electrolyte membrane having a polymer electrolyte membrane, an anode catalyst, and a cathode catalyst, a frame that is disposed at a peripheral portion of the catalyst layer-attached electrolyte membrane and has a rectangular inner periphery, and a pair of gas diffusion layers that are disposed on both surfaces of the catalyst layer-attached electrolyte membrane. The gas diffusion layers were disposed to cover an inner peripheral portion of the frame, respectively. A thickness of at least a part of a corner portion of the inner peripheral portion is smaller than a thickness of a linear side portion of the inner peripheral portion of the frame. | 12-25-2014 |
20150017563 | FUEL CELL UNIT AND FUEL CELL VEHICLE - The invention relates to fuel cell unit arranged in an underfloor space of a fuel cell vehicle. The fuel cell unit includes a fuel cell that has a plurality of cells stacked together; and a cell monitor that is arranged in a side region of the fuel cell, and that monitors a state of each of the cells. | 01-15-2015 |
20150037703 | SHAPED ELECTROCHEMICAL CELL - Embodiments of the present disclosure may include an electrochemical cell system. The electrochemical cell system may comprise an electrochemical cell stack having a plurality of electrochemical cells arranged in series. A first side of the electrochemical cell stack may have a first length, and a second side of the electrochemical cell stack may have a second length, wherein the first length is different than the second length. | 02-05-2015 |
20150311538 | FUEL CELL INTERCONNECT WITH REDUCED VOLTAGE DEGRADATION OVER TIME - A method of making an interconnect for a solid oxide fuel cell stack includes providing a chromium alloy interconnect and providing a nickel mesh in contact with a fuel side of the interconnect. Formation of a chromium oxide layer is reduced or avoided in locations between the nickel mesh and the fuel side of the interconnect. A Cr—Ni alloy or a Cr—Fe—Ni alloy is located at least in the fuel side of the interconnect under the nickel mesh. | 10-29-2015 |
20150328630 | SULFONATE-BASED COMPOUND AND POLYMER ELECTROLYTE MEMBRANE USING SAME - The present specification relates to a sulfonate-based compound and a polymer electrolyte membrane using the same, a membrane electrode assembly including the same, and a fuel cell including the same. | 11-19-2015 |
20160079617 | GAS INLET FOR SOEC UNIT - Multiple gas inlet or outlets for a SOC unit is provided by stacked layers with cut outs for gas channels which overlap. | 03-17-2016 |
20160156056 | DIRECT CARBON FUEL CELL AND STACK DESIGNS | 06-02-2016 |
20160181649 | FUEL CELL MODULE | 06-23-2016 |