Patent application number | Description | Published |
20100159350 | MEMBRANE-ELECTRODE ASSEMBLY, METHOD FOR PRODUCTION THEREOF, AND SOLID POLYMER FUEL CELL - A membrane-electrode assembly for a solid polymer fuel cell, which comprises a mutually opposing anode catalyst layer and cathode catalyst layer with a polymer electrolyte membrane formed between the anode catalyst layer and cathode catalyst layer, wherein the anode catalyst layer and cathode catalyst layer each contain a catalyst and a hydrocarbon-based polymer electrolyte with an ion-exchange group. If the ion-exchange group density of the anode catalyst layer is represented as α [μeq/cm | 06-24-2010 |
20100159351 | MEMBRANE-ELECTRODE ASSEMBLY, AND MEMBRANE-ELECTRODE-(GAS DIFFUSION LAYER) ASSEMBLY AND SOLID POLYMER FUEL CELL EACH COMPRISING THE SAME - A membrane-electrode assembly | 06-24-2010 |
20100167162 | MEMBRANE-ELECTRODE ASSEMBLY, METHOD FOR PRODUCING THE SAME AND SOLID POLYMER FUEL CELL - A membrane-electrode assembly comprising an anode catalyst layer and cathode catalyst layer placed each other, and a polymer electrolyte membrane formed between the anode catalyst layer and cathode catalyst layer. The polymer electrolyte membrane comprises: a hydrocarbon-based polymer electrolyte, and the anode catalyst layer and cathode catalyst layer both comprise a catalyst-supported material, having at least one catalyst substance selected from among platinum and platinum-containing alloys and a support on which the catalyst substance is supported; and a polymer electrolyte. Either or both the anode catalyst layer and cathode catalyst layer have a catalyst-supporting ratio of 60 wt % or greater in the catalyst-supported material. | 07-01-2010 |
20100178585 | FILM-ELECTRODE ASSEMBLY, FILM-ELECTRODE-GAS DIFFUSION LAYER ASSEMBLY HAVING THE SAME, SOLID STATE POLYMER FUEL CELL, AND FILM-ELECTRODE ASSEMBLY MANUFACTURING METHOD - A membrane-electrode assembly | 07-15-2010 |
20100183941 | ASSEMBLY OF MEMBRANE, ELECTRODE, GAS DIFFUSION LAYER AND GASKET, METHOD FOR PRODUCING THE SAME, AND SOLID POLYMER FUEL CELL - A method for producing a membrane-electrode-gas diffusion layer-gasket assembly | 07-22-2010 |
20100190085 | MEMBRANE-ELECTRODE ASSEMBLY, METHOD FOR PRODUCING THE SAME AND SOLID POLYMER FUEL CELL - A membrane-electrode assembly (MEA) comprising an anode catalyst layer and cathode catalyst layer placed opposite each other, and a polymer electrolyte membrane formed between the anode catalyst layer and cathode catalyst layer, as well as a fuel cell comprising the same. Either or both the anode catalyst layer and cathode catalyst layer comprise: a catalyst-supported material, having at least one catalyst substance selected from among platinum and platinum-containing alloys and a support on which the catalyst substance is supported; and a hydrocarbon-based polymer electrolyte. The catalyst-supporting ratio of the catalyst-supported material is 60 wt % or greater. | 07-29-2010 |
20100196785 | CATALYST INK, METHOD FOR PRODUCING CATALYST INK, METHOD FOR PRODUCING MEMBRANE-ELECTRODE ASSEMBLY, MEMBRANE-ELECTRODE ASSEMBLY PRODUCED BY THE METHOD, AND FUEL CELL - It is an object of this invention to provide a catalyst ink which allows formation of catalyst layers that can adequately improve durability of fuel cells. The catalyst ink of the invention is a catalyst ink for formation of a fuel cell catalyst layer, comprising a catalyst substance, a solvent and an aromatic polymer compound having a phosphorus atom-containing functional group, wherein at least the aromatic polymer compound is dispersed, and not dissolved, in the solvent. | 08-05-2010 |
Patent application number | Description | Published |
20090202888 | Polymer electrolyte emulsion and use thereof - A polymer electrolyte emulsion wherein a polymer electrolyte particle is dispersed in a dispersing medium, wherein a polymer electrolyte contained in the polymer electrolyte particle is a block copolymer consisting of a segment having an acidic group and a segment without substantially ion exchange group, is provided. | 08-13-2009 |
20090208804 | Polymer electrolyte emulsion and use thereof - Provided is a polymer electrolyte emulsion, wherein a polymer electrolyte particle is dispersed in a dispersing medium, a zeta potential at the measurement temperature of 25° C. being in a range of −50 mV to −300 mV. | 08-20-2009 |
20090208810 | Process for producing polymer electrolyte emulsion - A process for producing a polymer electrolyte emulsion having the following steps (1) and (2) is provided.
| 08-20-2009 |
20090317684 | POLYMER ELECTROLYTE MEMBRANE, LAMINATE THEREOF, AND THEIR PRODUCTION METHODS - An object of the present invention is to provide a method for producing a laminate wherein an ion conductive polymer electrolyte membrane is laminated on a supporting substrate in a state where any one surface of the polymer electrolyte membrane is bonded to the supporting substrate, a difference in a contact angle against water between one surface and the other surface of the ion conductive polymer electrolyte membrane being 30° or less, the method comprising the steps of:
| 12-24-2009 |
20100015515 | LAMINATED POROUS FILM AND SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a laminated porous film formed by laminating a heat-resistant resin layer on a porous film made from a polyolefin-based resin containing an ethylene-α-olefin copolymer including a structural unit derived from ethylene and a structural unit derived from one or more kinds of monomers selected from α-olefins having 4 to 10 carbon atoms, wherein a shutdown temperature is 125° C. or lower and a thermal film breakage temperature is 155° C. or higher. | 01-21-2010 |
20100040953 | POROUS FILM AND SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a porous film formed from a polyolefin-based resin containing an ethylene-α-olefin copolymer including a structural unit derived from ethylene and a structural unit derived from one or more kinds of monomers selected from α-olefins having 4 to 10 carbon atoms, wherein a shutdown temperature is 125° C. or lower. | 02-18-2010 |
20100068589 | MEMBRANE-ELECTRODE ASSEMBLY - There is provided a membrane-electrode assembly including catalyst layers disposed on both surfaces of an electrolyte membrane, wherein water transfer resistance of said electrolyte membrane, calculated by the following formula (F1), is 10 μm·g/meq or less and a platinum amount contained in at least one of the catalyst layers is 0.02 to 0.20 mg/cm | 03-18-2010 |