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| Number | Title | Issue Date |
| 8114550 | Reinforced electrolyte membrane for fuel cell, production method thereof, membrane electrode assembly for fuel cell, and solid polymer fuel cell comprising the same A reinforced electrolyte membrane for a fuel cell which is reinforced by a porous membrane, characterized by containing void portions in a joining portion between the surface of the porous membrane and/or pore surface and the electrolyte for buffering swelling when ... | 02/14/2012 |
| 8110248 | Fuel cell structure and method of manufacturing same A fuel cell structure comprises a diffusion layer and/or a catalyst layer which are made of a carbonaceous porous material having a nano-size structure, such as carbon nanowall (CNW). A method of manufacturing the structure is also disclosed. The structure and metho... | 02/07/2012 |
| 8105726 | Fuel cell separator, method of manufacturing fuel cell separator, and fuel cell A gas-impermeable fuel cell separator including ribs that form a gas flow passage, and a sealing section, wherein at least the gas flow passage has a hydrophilically treated surface, and in which the fuel cell separator base material is exposed within the sealing se... | 01/31/2012 |
| 8088536 | Fuel cell separator and method for manufacturing the same There is provided a fuel cell separator having a very good anticorrosiveness and electrical conductivity. A fuel cell separator includes: a base formed of a steel which contains 10.5 mass % or more of Cr; a metal film formed on the surface of the base; and an interm... | 01/03/2012 |
| 8071161 | DLI-MOCVD process for making electrodes for electrochemical reactors A method for fabricating an electrode for electrochemical reactor is provided, wherein the electrode includes a porous carbon diffusion layer and a catalyst layer. The method includes a step of depositing the catalyst layer on the diffusion layer by a DLI-MOCVD proc... | 12/06/2011 |
| 8053133 | Bipolar plate hydrophilic treatment for stable fuel cell stack operation at low power A flow field plate or bipolar plate for a fuel cell that includes a hydrophilic coating formed on flow field channels extending through a tunnel region between a cell active area and the inlet and outlet manifolds. The flow field plates are an assembly of a cathode ... | 11/08/2011 |
| 8025920 | Bipolar unit for fuel cell provided with porous current collectors The invention describes a bipolar unit consisting of a pair of metal plates at least one of which is corrugated, fixed by continuous and hydraulically impervious connections, and provided on the external surfaces thereof with porous electric current collectors also ... | 09/27/2011 |
| 8025919 | Catalyst filling method in micro-channels and reforming apparatus manufactured by the method A catalyst filling method in a micro channel and a reformer manufactured by the method. The catalyst is filled in the micro channel using water, and unidirectional pressure is applied to the catalyst in the micro channel to fill the micro channel with high density. ... | 09/27/2011 |
| 8021796 | Catalyst-coated ionomer membrane with protective film layer and membrane-electrode-assembly made thereof The present invention relates to the field of electrochemical cells and fuel cells, and more specifically to polymer-electrolyte-membrane fuel cells (PEMFC) and direct methanol fuel cells (DMFC). It is directed to catalyst-coated ionomer membranes (“CCMs”) and m... | 09/20/2011 |
| 8017283 | Electrode for alkali fuel cell and method for making a fuel cell including at least one step of making such an electrode An electrode for an alkali fuel cell comprises an active layer formed by a bilayer or by a stack of a plurality of bilayers. Each bilayer is composed of a catalytic layer comprising catalyst particles of nanometric size and of a porous layer comprising two opposite ... | 09/13/2011 |
| 8007859 | Manufacturing method of electrolyte filled cathode for molten carbonate fuel cell Disclosed herein is a method of manufacturing the electrolyte-filled cathode of a molten carbonate fuel cell. The method includes the steps of a) manufacturing an air electrode through a sintering process; b) dispersing electrolyte powder throughout one surface of t... | 08/30/2011 |
| 8003279 | Electrically conductive element treated for use in a fuel cell An electrically conductive element for a proton exchange membrane fuel cell having low electrical contact resistance and high corrosion resistance. The conductive element comprises a corrosion susceptible metal substrate with a surface, which is preferably treated t... | 08/23/2011 |
| 7998638 | Electrode for fuel cell, and membrane-electrode assembly and fuel cell system comprising the same The electrode for a fuel cell of the present invention includes a catalyst layer and an electrode substrate supporting the catalyst layer, where the electrode substrate includes a hydrophilic region and a hydrophobic region separated from each other. The hydrophilic... | 08/16/2011 |
| 7993798 | Manufacture of fuel cell A fuel cell is manufactured using a polymer electrolyte membrane (1). A catalyst layer (12) is formed at fixed intervals on the surface of the strip-form polymer electrolyte membrane (1) in the lengthwise direction thereof, and conveyance holes ... | 08/09/2011 |
| 7981560 | Fuel cell with integral manifold and laterally spaced electrodes 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 ox... | 07/19/2011 |
| 7976895 | Method for fabricating a fuel cell on a porous support To prevent the liquid electrolyte from penetrating into the porous support while at the same time preserving or increasing the power density of the fuel cell, before the liquid electrolyte is deposited, at least a part of the walls delineating the pores of said supp... | 07/12/2011 |
| 7972743 | Membrane electrode assembly, method for producing the same, and solid state polymer fuel cell A membrane-electrode assembly (MEA) 1 has a solid polymer electrolyte membrane 2. The membrane 2 has ion-conductive domains 3 and non-ion-conductive domains 4 and an electrode catalyst 5. The electrode catalyst 5 is p... | 07/05/2011 |
| 7960065 | Separator for fuel cell, method for producing the same, and fuel cell The present invention provides a separator for a fuel cell comprising a resin and a conductive material as constituting components, and sulfonic acid groups imparted to at least one portion at the surface of gas channels by a treatment using a sulfuric acid-containi... | 06/14/2011 |
| 7951510 | Electroconductive polymer coating on electroconductive elements in a fuel cell A bipolar plate for use in a proton exchange membrane fuel cell having an electrically conductive polymer coated on at least one region of a surface of the plate in contact with a flow field. The coated region is hydrophobic or hydrophilic as compared to an uncoated... | 05/31/2011 |
| 7947405 | Solid polymer electrolyte composite membrane comprising porous ceramic support A solid polymer electrolyte composite membrane and method of manufacturing the same. The composite membrane comprises a porous ceramic support having a top surface and a bottom surface. The porous ceramic support may be formed by laser micromachining a ceramic sheet... | 05/24/2011 |
| 7935381 | Hydrophilic coating for fuel cell bipolar plate and methods of making the same One embodiment disclosed includes a product comprising: a fuel cell component comprising a substrate and a first coating overlying the substrate, the coating comprising a compound comprising at least one Si—O group, at least one polar group and at least one group ... | 05/03/2011 |
| 7931935 | Process for producing membrane electrode assembly, and fuel cell using the membrane electrode assembly produced by the process This invention provides a process for producing a membrane electrode assembly which has high and stable catalytic activity, and suppressed deterioration in catalytic activity during operation, and can prevent a deterioration in performance attributable to a structur... | 04/26/2011 |
| 7923165 | Electrolyte components for use in fuel cells An electronically insulating proton conductor (C) is adhered or deposited as a film on a dense phase proton permeable material (D) in a thicknees such that the composite C/D has a proton conductivity in a preferred intermediate temperature range of 175-550° C. The ... | 04/12/2011 |
| 7923167 | Polymer electrolyte membrane, method of manufacturing the same and fuel cell using the polymer electrolyte membrane A polymer electrolyte membrane including an ionic conducting polymer and a light-irradiated product of a photoacid generator (PAG), a method of manufacturing the same, and a fuel cell using the same. The polymer electrolyte membrane has excellent proton conductivity... | 04/12/2011 |
| 7923170 | Fuel cell separator with a vapor-phase grown carbon-based porous material of nanosize structure The degree of freedom in the shape of channels in a separator is increased, enabling an optimum gas channel to be designed, enabling a sufficient supply of gas below gas channel ribs, and improving cell performance through the reduction in diffusion polarization. Dr... | 04/12/2011 |
| 7919215 | Corrosion resistant metal oxide electrode catalyst for oxygen reduction A corrosion-resistant electrode catalyst for oxygen reduction includes a main catalyst composed of at least one transition metal oxide selected from oxygen-deficient ZrO2, Ta2O5, Nb2O5, TiO2, V2 | 04/05/2011 |
| 7910158 | Method for fabricating an array of electrode and electrolyte materials for use in solid oxide fuel cells The present invention provides high-throughput systems and methods for the fabrication and evaluation of electrode and electrolyte materials for solid oxide fuel cells. The present invention includes systems and methods for synthesizing and optimizing the performanc... | 03/22/2011 |
| 7910260 | Method for stabilizing polyelectrolyte membrane films used in fuel cells A novel method of altering extruded membrane films for PEM (polymer electrolyte membrane) fuel cells in such a manner that the membrane films swell substantially uniformly in both the in-plane x and y directions when immersed in water or ionomer solution is disclose... | 03/22/2011 |
| 7901730 | Thin film ceramic proton conducting electrolyte A thin film ceramic proton conducting electrolyte assembly (10) is provided having a includes a nanoporous, copper supporting substrate (11), a temporary substrate pore filler material (12), and a ceramic electrolyte layer (13) positioned... | 03/08/2011 |
| 7897295 | Surface engineering of bipolar plate materials for better water management A flow field plate or bipolar plate for a fuel cell, where a surface of the flow field plate is textured or roughened to change the surface morphology of the plate. A conductive coating is deposited on the roughened surface where the roughness of the surface of the ... | 03/01/2011 |
| 7892596 | Nanoparticle coating process for fuel cell components A process including coating a fuel cell component using a coating solution including nanoparticles. ... | 02/22/2011 |
| 7879389 | Low-cost bipolar plate coatings for PEM fuel cell A method for depositing a hydrophilic and electrically conductive layer onto a bipolar plate substrate for a fuel cell in a one step process. The method includes mixing a solution of a conductive material, such as gold particles, and a hydrophilic material, such as ... | 02/01/2011 |
| 7871734 | Micro fuel cell The present invention discloses a solid oxide fuel cell and method for fabricating solid oxide fuel cells using thin film processing techniques. The fuel cell comprises a cathode layer, an electrolyte layer, and an anode layer arranged in various configurations to o... | 01/18/2011 |
| 7867553 | Method of making cathode including iron disulfide A cathode includes a foil current collector including a coating containing iron disulfide on one side that covers less than 100% of the side. ... | 01/11/2011 |
| 7858262 | Fuel cell comprising a plurality of individual cells connected in series by current collectors Adjacent individual cells of a fuel cell are connected in series by intermediate connecting parts. Each connecting part is formed by a branch made from an electrically conducting material and extending the first current collector of a cell perpendicularly and connec... | 12/28/2010 |
| 7858266 | Structural reinforcement of membrane electrodes A catalyst ink composition for a fuel cell electrode is provided. The catalyst ink composition includes a plurality of electrically conductive support particles; a catalyst formed from a finely divided precious metal, the catalyst supported by the conductive support... | 12/28/2010 |
| 7846593 | Heat and water management device and method in fuel cells A method and device for fuel cell heat and water management is provided. A thermally and electrically conductive hydrophilic heat and mass transport element is provided to the fuel cell spanning from inside to outside the cell. The transport element is deposited bet... | 12/07/2010 |
| 7846611 | Miniature fuel cell core A method for producing a fuel cell core including: providing two identical subassemblies each including a substrate and a current collector removably arranged thereon, depositing an ionic liquid or pasty polymerizable membrane on at least one of the subassemblies in... | 12/07/2010 |
| 7838064 | Method for manufacturing tube-type fuel cell A method for manufacturing a tube-type fuel cell by which a tube-type fuel cell with good adhesion can be produced without blocking a gas flow channel in its inner current collector. The method for manufacturing a tube-type fuel cell may include a filling step of pr... | 11/23/2010 |
| 7829136 | Production method of cell electrodes The invention relates to fuel cells and methods of making bipolar fuel cell electrodes. The invention provides a method of producing bipolar fuel cell electrodes, including providing a collector having a first side and a second side opposite the first side, coating ... | 11/09/2010 |
