| Entries |
| Document | Title | Date |
|---|
| 20100129732 | Electrochemical Cell Stack Assembly - A technique includes providing a loading force member to extend between end plates to compress flow plates of a stack of electrochemical cells together. The technique includes positioning the member in a region of the stack in which a maximum pressure force is exerted due to the operation of the stack. | 05-27-2010 |
| 20100151357 | METALLIC SEPARATOR FOR FUEL CELL - A metallic separator for a fuel cell with high corrosion resistance and low contact resistance without surface coating is provided. The separator for a fuel cell is formed by adding one or more of tantalum (Ta) and lanthanum (La) to an austenitic stainless steel that contains molybdenum (Mo) and tungsten (W). | 06-17-2010 |
| 20100151358 | METHOD FOR MANUFACTURING FUEL CELL SEPARATOR, FUEL CELL SEPARATOR AND FUEL CELL - A method for manufacturing a fuel cell separator, including: forming by a PVD method a precious metal layer on a surface of a substrate, as a fuel cell separator, made of Ti or a Ti alloy, wherein the precious metal layer includes at least one precious metal selected from Ru, Rh, Pd, Os, Ir, Pt and Au and has a thickness of 2 nm or more, and a heat treatment wherein the substrate on which the precious metal layer was formed in the precious metal layer forming is subjected to a heat treatment at a predetermined heat treatment temperature and under a predetermined oxygen partial pressure. According to the method, a fuel cell separator made of Ti or a Ti alloy having excellent corrosion resistance, good adhesion of a precious metal layer, low contact resistance, and further excellent productivity can be produced. | 06-17-2010 |
| 20100151359 | SEPARATOR FOR FUEL CELL AND METHOD OF FORMING COLLECTOR OF THE SEPARATOR - A separator | 06-17-2010 |
| 20100151360 | ONBOARD FUEL CELL SYSTEM AND METHOD OF DISCHARGING HYDROGEN-OFF GAS - Consumed hydrogen-off gas is discharged from a fuel cell via a hydrogen-off gas exhaust flow passage. Consumed oxygen-off gas is discharged from the fuel cell via an oxygen-off gas exhaust flow passage. The oxygen-off gas flowing through the oxygen-off gas exhaust flow passage and the hydrogen-off gas flowing through the hydrogen-off gas exhaust flow passage are mixed and diluted in a mixing portion. The gases mixed in the mixing portion flow into a combustor via a gas-liquid separator. The combustor, which includes a platinum catalyst, causes hydrogen contained in the mixed gases to react with oxygen by combustion and further reduces the concentration of hydrogen contained in the mixed gases. The mixed gases whose concentration of hydrogen has been reduced by the combustor is discharged to the atmosphere. | 06-17-2010 |
| 20100159362 | METHOD OF PRODUCING SEPARATOR PLATE FOR FUEL CELL AND FUEL CELL UTILIZING THE SAME - A pattern of a reaction gas flow passage in a separator plate of a fuel cell is formed by screen printing with high accuracy. The invention relates to a method of producing a separator plate for fuel cell, the method including forming a partition wall | 06-24-2010 |
| 20100173227 | Polymer-Electrolyte Fuel Cell - Fuel cell comprising a stack of bipolar plates ( | 07-08-2010 |
| 20100183952 | FUEL CELL GAS SEPARATOR FOR USE BETWEEN SOLID OXIDE FUEL CELLS - A fuel cell gas separator ( | 07-22-2010 |
| 20100196798 | FUEL CELL SYSTEM - A fuel cell system includes a power-generating stack; a fuel feeder for supplying fuel to an anode of the power-generating stack; an air feeder for supplying air to a cathode of the power-generating stack; and an gas-liquid separator for separating water from a gas-liquid mixture. The gas-liquid mixture includes water and water vapor produced at the cathode and gas passing through the cathode. The gas-liquid separator includes a water retainer. This water retainer holds water and water vapor, which is produced at the cathode, in the gas-liquid mixture. | 08-05-2010 |
| 20100203425 | FUEL CELL AND METHOD OF PRODUCING THE SAME - A first separator to which a resin film is joined beforehand is set in a cavity formed between a lower die and an upper die of an injection molding machine. At the time of die locking by moving the upper die toward the lower die, in the case where the total thickness of the resin film and the first separator is larger than a predetermined dimension, the resin film is pressed by the lower die or the upper die, and thus, the resin film is deformed by compression within its elastic deformation range. | 08-12-2010 |
| 20100209820 | FUEL CELL - A fuel cell in which fuel gas is more uniformly distributed to each power generation cell and irregular deformation of an interconnection section is reduced. A fuel gas channel ( | 08-19-2010 |
| 20100209821 | FUEL CELL STRUCTURE AND SEPARATOR PLATE FOR USE THEREIN - The present invention concerns a separator plate for use in a fuel cell stack with a substantially circular or oval main surface wherein a fluid flow path is defined by a plurality of channels extending substantially in parallel to each other and leading a fluid from a fluid supply port to a fluid discharge port. Adjacent channels merge such as to decrease the number of parallel channels from the supply port to the discharge port, thereby decreasing a cross sectional area of the flow path. The plurality of parallel channels comprises the following sections:
| 08-19-2010 |
| 20100227257 | FUEL CELL SEPARATOR AND FUEL CELL INCLUDING SAME - A separator for use in a fuel cell of the present disclosure includes: a plate; a first gas manifold hole ( | 09-09-2010 |
| 20100233584 | Separator for Use in Fuel Cell and Manufacturing Method Therefor - A separator for use in a fuel cell has an iron-based hydrous oxide film formed on a passive film of a peripheral surface except a gas channel of a separator substrates of SUS by cathodic electrolysis treatment in an alkaline solution and further a resin layer of an electrodeposited water-soluble resin formed on the iron-based hydrous oxide film. | 09-16-2010 |
| 20100239956 | Unit for a Fuel Cell System, and a Fuel Cell System - A flow unit such as may be provided as a recirculation device for an anode circuit of a fuel cell system has at least one moving element by which a two-phase flow with a liquid phase can be conveyed. At least one separator is arranged in or adjacent to the unit. | 09-23-2010 |
| 20100239957 | SEPARATOR FOR FUEL CELL AND FUEL CELL - A separator has a concavo-convex structure formed in mutually reversed shapes on two opposite sides thereof to define flow paths of different fluids on the respective two sides. The concavo-convex structure includes multiple first projections formed and protruded on one side of the two opposite sides and arranged at intervals having a preset regularity. The concavo-convex structure also includes multiple second projections formed and protruded on the other side of the two opposite sides in a specific area corresponding to an area for formation of the multiple first projections on the one side and arranged at intervals having a preset regularity. The concavo-convex structure further includes reinforcing elements protruded on the one side. Each of the reinforcing elements is formed as a convex in a specific shape of connecting multiple positions where the first projections are expected to be formed according to the preset regularity, while avoiding positions corresponding to the second projections formed on the other side. This arrangement effectively prevents a potential trouble caused by deformation of the separator due to a pressure difference between the flow pressures of the respective fluids flowing on the respective sides of the separator. | 09-23-2010 |
| 20100261093 | FUEL CELL SYSTEM - A fuel cell system which can encase a dilution device while keeping the height of a fuel cell case as low as possible by utilizing the lower space in the case effectively. A fuel cell system comprises a fuel cell stack generating power through an electrochemical reaction between a gas supplied to the anode side and a gas supplied to a cathode side, a dilution device for diluting an anode off gas discharged from the fuel cell stack with a cathode off gas and discharging the diluted gas, and a fuel cell case for encasing the fuel cell stack and the dilution device. In this fuel cell system, a lateral opening of the fuel cell case for passing an exhaust pipe extending to the exhaust downstream of the dilution device is arranged above the lowermost portion of the inner surface of the dilution device with respect to the gravitational direction. | 10-14-2010 |
| 20100273092 | FUEL CELL SEPARATOR MANUFACTURING METHOD AND FUEL CELL SEPARATOR - A uniform and dense resin coat is formed on a surface of a peripheral region of a fuel cell separator. However, the formed resin coat may contain defects (holes). With the present invention, however, any such defects in the resin coat are coated with a metal coat. That is, when depositing metal in complex ions on the fuel cell separator by an electrodeposition process, the metal is adhered not only to a power generation region but also to a portion where the surface (separator base material surface) is exposed by the defects of the resin coat, thereby forming the metal coat on the defects. Thus, it is possible to improve the corrosion resistance of the fuel cell separator as compared to the case that the surface of the separator base material is exposed at the portions of the defects of the resin coat. | 10-28-2010 |
| 20100279207 | Fuel cell with integral manifold - A MEMS-based fuel cell has a substrate, an electrolyte in contact with the substrate, a cathode in contact with the electrolyte, an anode spaced apart from the cathode and in contact with the electrolyte, and an integral manifold for supplying either a fuel or an oxidant or both together, the integral manifold extending over at least a portion of the electrolyte and over at least one of the anode and cathode. Methods for making and using arrays of the fuel cells are disclosed. | 11-04-2010 |
| 20100279208 | FUEL CELL AND BIOPOLAR PLATE FOR LIMITING LEAKAGE - A device for use in a fuel cell includes a bipolar plate having a region encompassing a flow field, and at least one channel that is located outside of the region for conveying a seal fluid to limit leakage of a reactant gas from a fuel cell. | 11-04-2010 |
| 20100297535 | NOVEL DESIGN OF FUEL CELL BIPOLAR FOR OPTIMAL UNIFORM DELIVERY OF REACTANT GASES AND EFFICIENT WATER REMOVAL - The flow plate ( | 11-25-2010 |
| 20100310968 | BLOCKING LAYER - The invention relates to an anode and electrolyte and cathode in direct material contact in fuel cell applications, so that the anode and electrolyte, and the cathode and electrolyte, particularly at temperatures >400° C., can react in a solid chemical manner. Said reaction results in that the material of the anodes can diffuse into the electrolyte and vice versa, and the material of the cathodes can diffuse into the electrolyte or vice versa. The effect thereof is the modification of the electrical energy yield of the fuel cells. In order to prevent said effect, it is proposed according to the invention that a blocking layer is disposed between the electrolyte and anode and electrolyte and cathode and is made of areas having opened and closed pores and that the functional penetration paths for the diffusion are formed by the frame structure thus created. | 12-09-2010 |
| 20100310969 | METHOD OF MANUFACTURING FUEL CELL SEPARATOR, FUEL CELL SEPARATOR AND FUEL CELL - A method of manufacturing a fuel cell separator in which the corrosion resistance can be improved. A method of manufacturing a fuel cell separator | 12-09-2010 |
| 20100310970 | DIRECT-METHANOL FUEL CELL - According to one embodiment, a direct-methanol fuel cell includes an anode into which an aqueous methanol solution is introduced, a cathode to which oxidizing gas is introduced, an electrolyte membrane interposed between the anode and the cathode, an anode separator which is disposed on the anode side and formed a fuel passage on a surface opposite the anode, a cathode separator which is disposed on the cathode side and formed an oxidizing gas passage on a surface opposite the cathode, an anode frame seal member disposed in such a manner as to surround the fuel passage between the anode and the anode separator, and a cathode frame seal member disposed in such a manner as to surround the oxidizing gas passage between the cathode and the cathode separator. The each seal member is fixed to the each separator, and the each seal member comprises an ionic polymer. | 12-09-2010 |
| 20100330461 | Fuel Cell - In a fuel cell, an elastic body provides first protrusion T | 12-30-2010 |
| 20110003239 | CURABLE COMPOSITION, CURED PRODUCT THEREOF, MOLDED PRODUCT THEREOF AND USE AS FUEL CELL SEPARATOR - A curable composition comprising: (A) a hydrocarbon compound having a plurality of carbon-carbon double bonds, and (B) a carbonaceous material. The hydrocarbon compound may preferably be 1,2-polybutadiene. The curable composition may be used for a fuel cell separator. | 01-06-2011 |
| 20110008713 | ELECTROCHEMICAL CELLS - An electrochemical cell comprises a first electrode, a second electrode, a porous separator, between the first and second electrodes, a first channel, having an inlet and an outlet, and a second channel, having an inlet and an outlet. The first channel is contiguous with the first electrode and the porous separator, and the second channel is contiguous with the second electrode and the porous separator. | 01-13-2011 |
| 20110020733 | FUEL CELL SEPARATOR AND METHOD OF PRODUCING THE SAME - Provided is a fuel cell separator which can achieve a stable power generation over a prolonged period of time and a method of producing the fuel cell separator. The fuel cell separator has a recess for gas flow path whose surface is roughened in such a manner that the arithmetic mean roughness Ra is 0.5 to 10 μm, and the recess for gas flow path is brought into contact with a fluorine-containing gas or a gas containing both fluorine and oxygen. Whereby a hydrophilic surface most suitable for prevention of flooding is formed and a fuel cell separator which can achieve a stable power generation over a prolonged period of time can be obtained. The thus obtained fuel cell separator can retain a uniform liquid film formed on the surface thereof for at least 10 seconds when a test piece prepared from the fuel cell separator is immersed in water for 30 seconds and pulled out therefrom to a position at not less than 1 cm from the water surface within 1 second. | 01-27-2011 |
| 20110027695 | RESIN COMPOSITION FOR FUEL CELL SEPARATOR, PROCESS FOR PRODUCING SAME, AND FUEL CELL SEPARATOR - A fuel cell separator is produced by forming a fuel cell separator resin composition including, as essential components, (A) an epoxy resin; (B) a curing agent; (C) a curing accelerator; and (D) a carbon material, in which the content of the (D) is 50 to 85% by mass based on the total amount of the composition, in which the (D) includes high crystalline artificial graphite having an average particle size of 100 μm or more and less than 150 μm in an amount of 5 to 100% by mass based on the total amount of the (D), and in which the content of the (C) is 0.1 to 20 parts by weight per 100 parts by weight of the (B). The resin composition is excellent in electric conductivity and fluidity and contains little impurities, and can provide a fuel cell separator which is excellent in electric conductivity and dimensional accuracy, and has no fear of causing deterioration in performance of a solid electrolyte. | 02-03-2011 |
| 20110033783 | METAL SEPARATOR FOR FUEL CELL AND ITS PRODUCTION METHOD - The present invention provides a metallic separator for fuel cells capable of suppressing dropping out of conductive inclusions due to gaps formed at the interface of a base material and the conductive inclusions due to press-forming, thereby decreasing the contact resistance and enhancing the power generation performance, and also provides a method for producing the same. | 02-10-2011 |
| 20110039188 | FUEL CELL - Through enhancement of productivity in a gas flow-path formation member, rising of production cost and deterioration of productivity of a cell that contains the gas flow-path formation member in cell components of the cell are prevented. | 02-17-2011 |
| 20110065024 | STAINLESS STEEL SEPARATOR FOR FUEL CELL HAVING M/MNx AND MOyNz LAYER AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein is a stainless steel separator for a fuel cell and method of manufacture. The stainless steel separator includes a stainless steel sheet, a first coating layer comprising metal/metal nitride films (M/MN | 03-17-2011 |
| 20110076596 | GAS FLOW PASSAGE FORMING MEMBER, METHOD OF MANUFACTURING THE GAS FLOW PASSAGE FORMING MEMBER, AND DEVICE FOR FORMING THE GAS FLOW PASSAGE FORMING MEMBER - An MEA 15 is arranged between frames | 03-31-2011 |
| 20110097648 | Control of a fluid flow in an electrochemical cell - The invention relates to an electrochemical cell, especially a proton exchange membrane fuel cell (PEM fuel cell) or an electrolysis cell which displays improved efficiency as a result of improved temperature or moisture distribution and/or reactant distribution inside said cell. The invention is characterized in that in an electrochemical cell, comprising a channel structure for feeding, circulating and discharging fluids necessary for the operation of said cell, at least one element ( | 04-28-2011 |
| 20110111325 | FUEL CELL DEVICE INCLUDING A POROUS COOLING PLATE ASSEMBLY HAVING A BARRIER LAYER - An exemplary fuel cell device includes porous plates. Electrode assemblies ( | 05-12-2011 |
| 20110111326 | FUEL CELL DEVICE HAVING A WATER RESERVOIR - An exemplary fuel cell device includes an electrode assembly. A hydrophobic gas diffusion layer is on a first side of the electrode assembly. A first, solid, non-porous plate is adjacent the hydrophobic gas diffusion layer. A hydrophilic gas diffusion layer is on a second side of the electrode assembly. A second flow field plate is adjacent the hydrophilic gas diffusion layer. The second flow field plate has a porous portion facing the hydrophilic gas diffusion layer. The porous portion is configured to absorb liquid water from the electrode assembly when the fuel assembly device is shutdown. | 05-12-2011 |
| 20110136042 | FLUID FLOW PLATE ASSEMBLIES - A fluid flow plate assembly may include a first manifold, a second manifold, and at least one fluid flow channel coupled between the first manifold and the second manifold. The first manifold has a fluid inlet for receiving an incoming fluid and extends along a first direction to provide a channel for transporting the incoming fluid partially along the first direction. The first manifold has at least one distribution outlet in at least a portion of a sidewall region of the first manifold and releases at least one portion of the incoming fluid as a released fluid through the at least one distribution outlet. The second manifold has a fluid outlet for discharging a discharged fluid, the discharged fluid comprising at least one portion of the incoming fluid and extends along a second direction to provide a channel for transporting the discharged fluid partially along the second direction. The at least one fluid flow channel is coupled between at least one of the at least one distribution outlet and at least one of the at least one discharged fluid inlet for distributing at least one portion of the released fluid. The at least one fluid flow channel has multiple channel sections extending in at least two directions and extending substantially along a fluid distribution plane. Both the first and second directions are substantially parallel with the fluid distribution plane. | 06-09-2011 |
| 20110136043 | MODULARIZED FUEL CELL DEVICES AND FLUID FLOW PLATE ASSEMBLIES - A fuel cell module may include a membrane electrode assembly, two gas diffusion layers, two current collectors, two sealing members, a fluid flow plate assembly. The fluid flow plate assembly may include a first manifold, a second manifold, and a fluid flow channel. The membrane electrode assembly may include at least one membrane for fuel cell reactions. The two gas diffusion layers may be respectively coupled with two opposite sides of the membrane electrode assembly. The two current collectors respectively coupled with the two gas diffusion layers, and the two sealing members respectively coupled with the two current collectors. The fluid flow plate assembly may be coupled with the membrane electrode assembly at a first side of the two opposite sides of the membrane electrode assembly, with at least a corresponding one of the two gas diffusion layers, at least a corresponding one of the two current collectors, and at least a corresponding one of the two sealing members coupled between the fluid flow plate assembly and the first side of the membrane electrode. | 06-09-2011 |
| 20110159407 | FUEL CELL FLUID FLOW FIELD PLATE AND METHOD FOR FORMING THE SAME - According to embodiments of the invention, a fuel cell fluid flow field plate is provided. The fuel cell fluid flow field plate includes a flexible substrate including a fluid distribution zone having at least one flow channel, a manifold penetrating the flexible substrate and next to the fluid distribution zone, an upward extending portion extending upward at a position near an interface between the manifold and the fluid distribution zone, wherein a bend angle is between the upward extending portion and the fluid distribution zone, and the upward extending portion has at least one through-hole penetrating through the flexible substrate to expose the manifold, and a cover extending portion linking with the upward extending portion and covering a portion of the fluid distribution zone. | 06-30-2011 |
| 20110171563 | GAS DIFFUSION LAYER FOR FUEL CELL - A gas diffusion layer for a fuel cell includes a conductive microparticle layer and a base material layer. The conductive microparticle layer is formed with first pores of no less than 0.5 μm and no more than 50 μm and second pores of no less than 0.05 μm and less than 0.5 μm. Pores are also formed in the base material layer. A total volume of the second pores is no less than 50% and less than 100% of a total volume of all of the pores in the conductive microparticle layer. By properly setting a pore size D | 07-14-2011 |
| 20110177429 | FLUID FLOW PLATE OF A FUEL CELL - A fluid flow plate of a fuel cell includes a main body and a supporting frame. The main body includes a plurality of fluid channels and an opening, wherein the fluid channels converge at the opening. The supporting frame, mounted on the periphery of the opening, is annular shaped and frames the fluid channels. The supporting frame includes a pair of supporting walls respectively disposed on two sides of the fluid channels. | 07-21-2011 |
| 20110177430 | Titanium material for solid polymer fuel cell separator having low contact resistance and method of production of same - A titanium material for a solid polymer fuel cell separator having a low contact resistance and a method of production of the same, the titanium material having at its surface a surface layer structure in which particles of a Ti compound containing either C or N are dispersed, the particles of Ti compound being covered by titanium oxide and/or metal Ti, characterized in that, when analyzed from the surface by XPS, a Ti2p spectrum of TiO | 07-21-2011 |
| 20110195345 | Anionic membrane - A separator suitable for alkaline cells or alkaline fuel cells is described that contains on the surface a copolymer of a hydrophobic PTFE component and a hydrophilic PVA-component. This separator resists silver oxidation, peroxide oxidation and provides high hydroxyl conductivity. | 08-11-2011 |
| 20110207024 | FUEL CELL STACK DISCRETE HEADER - A fuel cell system comprises a main body including a first partial header and a fastening point. The main body is adapted to be coupled to a plurality of plates forming a fuel cell stack, allowing a single plate design to be used for multiple fuel cell stack lengths having a large differential of energy requirements, affording a durable alignment mechanism for the fuel cell stack, and providing integration flexibility for components and configurations of the fuel cell system. | 08-25-2011 |
| 20110207025 | GAS DIFFUSION LAYER FOR FUEL CELL, MANUFACTURING METHOD THEREFOR, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL - A gas diffusion layer for fuel cell of the present invention is structured with a porous member mainly comprised of conductive particles such as acetylene black, graphite and a polymer resin such as PTFE. This makes it possible to achieve both an improvement in power generation performance of the fuel cell and a reduction in costs. | 08-25-2011 |
| 20110212385 | FUEL CELL SEPARATOR AND FUEL CELL - A fuel cell separator comprises a first plate and a second plate. The first plate has a plurality of first projections protruded toward the second plate to define reactive gas flow paths, the second plate has a plurality of second projections protruded toward the first plate to define reactive gas flow paths. A top of each of the plurality of first projections is in contact with an intermediate part between adjacent two of the plurality of second projections formed on the second plate, and a top of each of the plurality of second projections is in contact with an intermediate part between adjacent two of the plurality of first projections formed on the first plate. | 09-01-2011 |
| 20110244370 | FUEL CELL PLATE FLOW FIELD - A method of manufacturing a fuel cell flow field plate is disclosed in which a generally even flow distribution across the flow field is provided. The method includes providing an inlet manifold in fluid communication with the flow field. The flow field includes multiple channels for which some of the channels receive restricted flow from the inlet manifold as compared to other channels. A relative pressure drop between the channels is altered with a pressure drop feature to encourage fluid flow from the inlet manifold to the channels with restricted flow, which results in a generally even flow distribution across the flow field. | 10-06-2011 |
| 20110287340 | SUBSTRATE MADE OF POROUS METAL OR METAL ALLOY, PREPARATION METHOD THEREOF, AND HTE OR SOFC CELLS WITH A METAL SUPPORT COMPRISING THIS SUBSTRATE - A partly oxidized substrate, obtained by subjecting a substrate made of a porous metal or metal alloy comprising particles of at least one metal or metal alloy bound by sintering, said substrate comprising a first main surface and a second main surface, and said substrate having a porosity gradient from the first main surface to as far as the second main surface; to partial oxidation by an oxidizing gas such as oxygen and/or air. | 11-24-2011 |
| 20120077111 | FUEL CELL SEPARATOR - Provided is a fuel cell separator that has excellent resistance to heat and hot water and has a glass transition temperature between 140° C. and 165° C. Said fuel cell separator is formed by curing a composition containing a graphite material and a binder component resin. The binder component resin contains a cresol novolac epoxy resin having a hydrolysable chlorine content of at most 450 ppm and an epoxy equivalent weight of 192-210 g/eq, a phenol resin having a hydroxyl equivalent weight of 103-106 g/eq, and an imidazole compound having a molecular weight between 140 and 180. | 03-29-2012 |
| 20120088184 | METAL SEPARATOR FOR FUEL CELL AND SURFACE TREATMENT METHOD THEREOF - The present invention provides an improved metal separator for a fuel cell and a method for preparing same. More particularly, the invention provides a metal separator for a fuel cell, whereby the separator has a surface structure that imparts reduced contact resistance, improved corrosion resistance, and stable electrical conductivity. The invention further provides a surface treatment method for making the metal separator of the invention. The inventive method comprises sintering Fe—Cr—B—V-based powder on the surface of a metal foam to form an alloy layer; and forming a nitride layer of a (Cr—V—B)N-based material while supplying nitrogen gas on the surface of the alloy layer. | 04-12-2012 |
| 20120122018 | FUEL CELL SEPARATOR AND METHOD FOR SURFACE TREATMENT OF THE SAME - The present invention provides a fuel cell separator and a method for surface treatment of the same, in which ionized nanoparticles are attached to the surface of a separator to form fine projections such that the surface of the separator exhibits superhydrophobicity. For this purpose, the present invention provides a method for surface treatment of a fuel cell separator which provides nanoparticles for forming fine projections on the surface of the separator to a discharge electrode and ionizes the nanoparticles by an arc discharge generated in the discharge electrode. The ionized nanoparticles are then attached to the surface of the separator by an electric field generated by applying a high voltage between the separator and the discharge electrode, thereby forming fine projections for imparting superhydrophobicity. | 05-17-2012 |
| 20120156590 | DIRECT OXIDATION FUEL CELL WITH IMPROVED FUEL DISTRIBUTION - A direct oxidation fuel cell (DOFC) having a liquid fuel and an anode electrode configured to generate power. The anode electrode includes a phase separation layer (PSL) positioned between a fuel channel plate and a GDL. The PSL can include at least one porous layer to improve fuel distribution and increase fuel cell performance. | 06-21-2012 |
| 20120164559 | FUEL CELL AND FLOW FIELD PLATE FOR FLUID DISTRIBUTION - A flow field plate for use in a fuel cell includes a non-porous plate body having a flow field that extends between first and second ends of the non-porous plate body. The flow field includes a plurality of channels having channel inlets and channel outlets, a fluid inlet portion that diverges from the first end to the channel inlets, and a fluid outlet portion that converges from the channel outlets to the second end. A fuel cell including the flow field plate includes an electrode assembly having an electrolyte between an anode catalyst and a cathode catalyst. The flow field of the flow field plate is side by side with the electrode assembly. A method of processing a flow field plate includes forming the flow field in a non-porous plate body. | 06-28-2012 |
| 20120231372 | METALLIC BIPOLAR PLATE FOR FUEL CELL AND METHOD FOR FORMING SURFACE LAYER THEREOF - A metallic bipolar plate for a fuel cell, in which a carbon coating layer containing fluorine is formed on the surface of a stainless steel base material, thus having excellent electrical conductivity and corrosion resistance and further excellent water draining performance and heat radiating performance. In the metallic bipolar plate for a fuel cell of the present invention, the internal residual stress in the surface coating layer is significantly reduced due to the addition of fluorine, and thereby it is possible to improve the adhesive strength between the stainless steel and the surface coating layer. | 09-13-2012 |
| 20120231373 | FUEL CELL SEPARATOR AND FUEL CELL INCLUDING SAME - A fuel cell separator of the present invention is provided with a reactant gas flow region ( | 09-13-2012 |
| 20120282542 | FUEL CELL - An anode assembly for a fuel cell, the anode assembly having an anode catalyst component, said anode catalyst component comprising both a noble metal catalyst and a photo-catalyst, and said photo-catalyst being provided for enhancing contaminant carbon monoxide oxidation upon irradiation by incident radiation; the anode assembly further comprising a current collecting means electrically coupled to the anode catalyst component and being porous to said incident radiation and fuel for the fuel cell; and a flow plate incorporating a light source for providing incident radiation. | 11-08-2012 |
| 20130011770 | MODIFICATION TO STAMPABLE FLOWFIELDS TO IMPROVE FLOW DISTRIBUTION IN THE CHANNELS OF PEM FUEL CELLS - A fuel cell ( | 01-10-2013 |
| 20130095413 | BIPOLAR PLATE FOR A FUEL CELL AND METHOD OF MANUFACTURING THE SAME - The present invention relates to a separator plate for a fuel cell and to a method for producing the same, and relates to an invention wherein a surface-modification layer is formed through the use of low temperature plasma processing such that it is possible to prevent the hydrophobic characteristics which occur during gasket forming and to have outstanding hydrophilic characteristics, and such that it is possible to obtain the advantageous effect of highly outstanding corrosion resistance and electrical conductivity not only initially but also even after long-term use in a fuel-cell operating environment, and also such that it is possible to maintain outstanding durability even when using a normal low-price stainless-steel sheet base material, and it is possible to reduce the unit cost of production of the separator plate for the fuel cell since surface processing can be carried out at low cost. | 04-18-2013 |
| 20130101923 | SOLID FLOW FIELD PLATE WITH END TURNS - A method of assembly of a fuel cell plate includes forming channels in a body to provide a flow field. A porous media is inserted into the flow field. The fuel cell plate is a non-porous body including a side having the flow field providing a fluid flow path. The porous media is provided in the fluid flow path. | 04-25-2013 |
| 20130115546 | FUEL CELL, FLOW FIELD PLATE, AND METHOD FOR PRODUCING A FLOW FIELD PLATE - A fuel cell, having a first electrode, a second electrode, and a membrane element, in which the membrane element is disposed between the first electrode and the second electrode. At least one of the electrodes has a flow field plate and at least one flow conduit, through which a reactant can be conducted, extends in at least one outer surface of the flow field plate. The flow field plate has at least one microreaction chamber, and the microreaction chamber is disposed in the outer surface and on the flow conduit. A catalyst is disposed on at least a part of the microreaction chamber in such a way that the catalyst has contact simultaneously with the membrane element and the inflowing reactant. | 05-09-2013 |
| 20130149633 | POROUS SEPARATOR FOR FUEL CELL - Discloses is a porous separator for a fuel cell. The porous separator includes a flow plate and a flat plate. The flow plate includes a first flow surface upwardly inclined and having a first plurality of flow apertures and a second flow surface downwardly inclined and having a second plurality of flow apertures that are repeatedly arranged along a longitudinal direction of the flow plate. The flow plate is disposed between a gas diffusion layer of a fuel cell and a flat plate to seal the flow plate and create a flow path for hydrogen or air therein. | 06-13-2013 |
| 20130288161 | METAL SEPARATOR FOR FUEL CELLS AND MANUFACTURING METHOD THEREOF - To provide a metal separator for fuel cells that can equalize the wet environment of a membrane electrode assembly and a manufacturing method thereof. A metal separator for fuel cells and a manufacturing method thereof are characterized in that, a first separator ( | 10-31-2013 |
| 20130323623 | FUEL CELL FLUID CHANNELS - An example fuel cell assembly includes a plate having channels configured to facilitate movement of a fuel cell fluid near an area of active flow of fuel cell. The channels include portions having a varying depth that extend laterally outside of the area of active flow. | 12-05-2013 |
| 20130330655 | Sulfonated PPS Fuel Cell Electrode - A method for making a fibrous layer for fuel cell applications includes a step of combining a polyphenylene sulfide-containing resin with a water soluble carrier resin to form a resinous mixture. The resinous mixture is then shaped to form a shaped resinous mixture. The shaped resinous mixture includes polyphenylene sulfide-containing structures within the carrier resin. The shaped resinous mixture is contacted (i.e., washed) with water to separate the polyphenylene sulfide-containing structures from the carrier resin. Optional protogenic groups and then a catalyst are added to the polyphenylene sulfide-containing structures. | 12-12-2013 |
| 20140051011 | FUEL CELL COMPONENT INCLUDING A VAPOR PERMEABLE LAYER - An exemplary fuel cell component comprises a porous plate. A vapor permeable layer is provided on at least one portion of the porous plate. The vapor permeable layer is configured to permit vapor to pass through the layer while resisting liquid passage through the layer. | 02-20-2014 |
| 20140051012 | METHOD FOR MODIFYING SURFACE OF METAL BIPOLAR PLATE AND BIPOLAR PLATE FOR FUEL CELL - A method for modifying the surface of a metal bipolar plate is provided. The method includes the steps of providing a metal substrate having a conducting adhesion layer on a surface thereof, the metal substrate having a flow field structure at the surface thereof; applying expanded graphite powder onto the conducting adhesion layer; and press-fitting the expanded graphite powder and the metal substrate with a mold structurally corresponding to the flow field structure, to form a graphite layer covering the surface the metal substrate from the expanded graphite powder. A bipolar plate for a fuel cell is further provided. | 02-20-2014 |
| 20140099570 | Fuel Directing Reaction Device for Passive Fuel Cell - A fuel directing reaction device for a passive fuel cell comprises: a substrate, which has a first side and a second side opposite to the first side; a fuel reservoir, which is disposed on the first side of the substrate; a fuel introducing microfluidic channel portion, which is disposed on the first side of the substrate and connected with the fuel reservoir; a first rib array portion, which is disposed on the first side of the substrate, and connected with the fuel introducing microfluidic channel portion; a second rib array portion, which is disposed on the first side of the substrate, and connected with the first rib array; and a plurality of reaction holes, each of which is disposed on the open side of the V-shaped portion of the second ribs and extends through the substrate to connect the first side and the second side of the substrate. | 04-10-2014 |
| 20140113217 | Selectively Coated Bipolar Plates for Water Management and Freeze Start in PEM Fuel Cells - A flow field plate for fuel cell applications includes an electrically conductive plate having a first surface defining a plurality of channels. An active area section and an inactive area section characterize the flow field channels. A hydrophobic layer is disposed over at least a portion of the inactive area section while a hydrophilic layer is disposed over at least a portion of the active area section. | 04-24-2014 |
| 20140162175 | FUEL CELL AND MANUFACTURING METHOD OF EXPANDED METAL - A cathode-side gas flow path of a cell that forms part of a fuel cell is formed by a first expanded metal arranged on a gas inlet side, and a second expanded metal arranged on a downstream side. The first expanded metal is such that mesh is arranged in a straight line, and gas that flows on a gas diffusion layer side is separated from gas that flows on a separator side. The gas flowrate on the gas inlet side is reduced, so the amount of produced water that is carried away is reduced. As a result, the gas inlet side is inhibited from becoming dry at high temperatures. | 06-12-2014 |
| 20140186745 | AIR FEED DEVICE FOR A FUEL CELL - An air feed device ( | 07-03-2014 |
| 20150024303 | FUEL CELL PLATE FLOW FIELD - A fuel cell plate is provided that includes a flow field having a plurality of channels each with an inlet end, and a header in fluid communication with the inlet ends. The header has at least one restricted flow region in which fluid flow is restricted to the inlet ends of a set of channels of the flow field and at least some of the plurality of channels include a pressure drop feature that is configured to increase fluid flow to the set of channels. | 01-22-2015 |
| 20150030964 | METHOD OF MAKING A FUEL CELL COMPONENT HAVING AN INTERDIGITATED FLOW FIELD CONFIGURATION - According to an illustrative embodiment, a method of making a fuel cell component includes removing material from a first plurality of locations along at least one surface on a plate to simultaneously establish a plurality of first channels on the surface. Each first channel has a length between a first end near a first edge of the surface and a second end spaced from a second, opposite edge of the surface. Material is also removed from a second plurality of locations along the surface to simultaneously establish a plurality of second channels on the surface. Each second channel has a length beginning at a first end spaced from the first edge and a second end near the second edge. Material is also removed from the surface near the first ends of at least some of the first channels to simultaneously establish an inlet portion for directing a fluid into the corresponding first channels. | 01-29-2015 |
| 20150140472 | COMPOSITE SEPARATOR FOR POLYMER ELECTROLYTE MEMBRANE FUEL CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a composite separator for a polymer electrolyte membrane fuel cell (PEMFC) and a method for manufacturing the same, in which a graphite foil prepared by compressing expanded graphite is stacked on a carbon fiber-reinforced composite prepreg or a mixed solution prepared by mixing graphite flake and powder with a resin solvent is applied to the cured composite prepreg such that a graphite layer is integrally molded on the outermost end of the separator. | 05-21-2015 |
| 20150295251 | ADDITIVE MANUFACTURING FOR FUEL CELL FLOW FIELDS - A plate for a fuel cell includes a first plate body defining a first flow field channel in a first surface thereof. The first flow field channel has a cross-sectional area that varies as a function of depth from the first surface of the plate body toward an opposed second surface. The cross-sectional area can increase and/or decrease from the first surface toward the opposed second surface. | 10-15-2015 |
| 20150311539 | BIPOLAR PLATE AND ELECTROCHEMICAL CELL COMPRISING SUCH A BIPOLAR PLATE - A bipolar plate for an electrochemical cell contains two plate elements between which a flow field has a flow inlet and a flow outlet. The flow field has coolant flowing through it. Each plate element has a contact plane for making contact with the respective other plate element and a plurality of first embossments project from the contact plane and face away from the other plate element. One of the plate elements has second embossments. Both the first and the second embossments have an aperture to the contact plane of the plate element. Flow channels are formed by the apertures by having the embossments of the two plate elements offset against one another such that each embossment only partially overlaps one embossment of the other plate element. The second embossments are smaller than the first embossments such that the flow channels are restricted in the second embossments. | 10-29-2015 |
| 20150333341 | FUEL CELL - A fuel cell is provided which comprises a plurality of manifolds at a first end and a second end of the fuel cell and a separator having passages between the first and the second ends of the fuel cell. In particular, the fuel cell includes a nozzle disposed between at least one of the plurality of manifolds and the passages and having an inlet into which a material is introduced from the at least one of the plurality of manifolds and an outlet from which the introduced material is discharged to the passages. | 11-19-2015 |
| 20150340713 | FUEL CELL SEPARATOR - A fuel cell separator obtained by: roughening the surface of a compact formed by molding a composition containing graphite powder, an epoxy resin, and a phenol resin; treating the compact with infrared laser irradiation; and then performing a hydrophilizing treatment, wherein a fuel cell separator is provided having the characteristics that (1) the initial static contact angle is no greater than 20°, and (2) after manufacture, the static contact angle after being stored in atmospheric air for 3000 hours is no greater than 30°. This fuel cell separator has high hydrophilicity, allowing water generated during the electrical generation of the fuel cell to be easily discharged, and the hydrophilicity is maintained over a long period of time. | 11-26-2015 |
| 20150340723 | SEPARATOR FOR FUEL CELL AND FULL CELL INCLUDING THE SAME - There are provided a separator for a fuel cell and a fuel cell including the same able to enhance the horizontal distribution of fuel or an oxidizing agent and secure an effective flow area, the separator including: a separator body; a first intake manifold provided at one end portion of the separator body; a second intake manifold provided at the other end portion of the separator body to be partitioned from the first intake manifold; a first exhaust manifold provided outwardly of the second intake manifold at the other end portion of the separator body; and a second exhaust manifold provided outwardly of the first intake manifold at one end portion of the separator body to be partitioned from the first exhaust manifold. | 11-26-2015 |
| 20150349351 | LOW COST FUEL CELL BIPOLAR PLATE AND PROCESS OF MAKING THE SAME - Fuel cell bipolar plates are made by depositing a pinhole free corrosion resistant and/or a conductive layer on a metal plate using an atomic layer deposition method. In one embodiment, a conductive layer is deposited on an anodized metal plate using atomic layer deposition method. In another embodiment, at least one corrosion resistant metal oxide layer and at least one conductive layer are deposited on a metal plate individually using atomic layer deposition method. In yet another embodiment, a corrosion resistant and conductive metal oxynitride layer is deposited on a metal plate using an atomic layer deposition method. | 12-03-2015 |
| 20150349353 | FLUID FLOW PLATE FOR A FUEL CELL - The invention relates to bipolar plates for electrochemical fuel cell assemblies, and in particular to configurations of bipolar plates allowing for multiple fluid flow channels for the passage of anode, cathode and coolant fluids. Embodiments disclosed include a bipolar plate ( | 12-03-2015 |
| 20150364775 | FUEL CELL SEPARATOR, AND FUEL CELL COMPRISING THE SAME - A fuel cell separator and a fuel cell including the fuel cell separator are provided. The fuel cell separator includes a plurality of channels and inlets and outlets formed through first sides and second sides of the channels such that the reactant introduced into the channels flows perpendicularly to the channels. In particular, the inlets are positioned higher than the outlets. | 12-17-2015 |
| 20160056479 | TITANIUM SHEET MATERIAL FOR FUEL CELL SEPARATORS AND METHOD FOR PRODUCING SAME - Provided is a titanium sheet for fuel cell separators which can surely achieve a low contact resistance. This titanium sheet for fuel cell separators includes a titanium base metal and a surface layer. The titanium base metal has a recrystallized structure. The surface layer includes a compound-mixed titanium layer having thickness less than 1 μm alone. The compound-mixed titanium layer includes a mixture of matrix titanium (Ti) and a compound between Ti and at least one element selected from the group consisting of oxygen (O), carbon (C), and nitrogen (N). The matrix titanium contains O, C, and N each solid-soluted in the titanium. Alternatively, the surface layer includes the compound-mixed titanium layer and a passivation layer being disposed on a surface of the compound-mixed titanium layer and having a thickness less than 5 nm. | 02-25-2016 |
| 20160079612 | Carbon Paper With Conducting Polymers And Polyols For Fuel Cell And Preparation Method Thereof - A carbon paper for fuel cells includes a conductive polymer and a polyol having at least two —OH functional groups, and a method for producing the same. The method for producing the carbon paper for fuel cells provides carbon paper with high electroconductivity even when a heat treatment is carried out at low temperature. In addition, the temperature for heat treatment is reduced significantly as compared to conventional carbon paper, and thus it is possible to reduce the overall cost required for producing carbon paper for fuel cells. Further, the carbon paper for fuel cells obtained by the method has high flexibility with low brittleness. | 03-17-2016 |
| 20160093898 | THREE-DIMENSIONALLY PRINTED BIPOLAR PLATE FOR A PROTON EXCHANGE MEMBRANE FUEL CELL - A bipolar plate for a fuel cell is provided. The bipolar plate includes a main body with a first end and a second end spaced from the first end along a longitudinal axis of the main body. At least one inlet is disposed at the first end of the main body. At least one outlet corresponding to the at least one inlet is disposed at the second end of the main body. At least one continuous flow path extends from the at least one inlet to the at least one outlet. The main body comprises a single, contiguous piece. | 03-31-2016 |
| 20160104901 | METHOD FOR MAKING COMPLEX BIPOLAR PLATES FOR FUEL CELLS USING EXTRUSION - Improved bipolar plates comprising complex features can be manufactured for fuel cells in a simple, low cost manner by starting with an appropriate extruded piece. The complex features include one or more fluid ports which connect to channels internal to the bipolar plate. The method includes extruding a continuous sheet with appropriate linear channels on each surface of the sheet as well as within the sheet, transversely cutting the sheet, machining a fluid port or ports through the sheet to intersect with appropriate internal linear channels, machining at least two sealing ports through the sheet to intersect with the internal linear channels on opposite sides of the fluid ports, and applying sealant into the sealing ports in order to make appropriate seals to the internal linear channels. | 04-14-2016 |
| 20160141635 | FLAT MEMBER FOR FUEL CELL AND METHOD FOR MANUFACTURING FLAT MEMBER - To achieve a flat member for fuel cells in which the grain size of titanium is optimized to suppress local elongation and to reduce the siding distance to a punching die, enabling a reduction in ablation of the punching die. The flat member for fuel cells is an expand passage | 05-19-2016 |
| 20160156044 | FUEL CELL SEPARATOR | 06-02-2016 |
| 20160181625 | POROUS CHANNEL STRUCTURE FOR FUEL CELL | 06-23-2016 |
| 20160197361 | FUEL CELL SEPARATOR AND FUEL CELL STACK AND REACTANT GAS CONTROL METHOD THEREOF | 07-07-2016 |
| 20170237083 | FUEL CELL SEPARATOR AND METHOD FOR PRODUCING THE SAME | 08-17-2017 |
| 20170237084 | METALLIC MATERIAL, AND CONDUCTIVE COMPONENT INCLUDING THE SAME | 08-17-2017 |
