| 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 |
| 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 |
| 20100330454 | POLYMER ELECTROLYTE COMPOSITION - A polymer electrolyte composition comprising a component (A) defined below, and at least one kind of a component (B) selected from the group consisting of a component (B1) defined below and a component (B2) defined below: (A) a polymer electrolyte; (B1) a compound having a degree of affinity for platinum of 10% or more; and (B2) a compound having at least two kinds of atoms having an unshared electron pair, selected from the group consisting of a nitrogen atom, a phosphorus atom, and a sulfur atom in the molecule. | 12-30-2010 |