Patent application number | Description | Published |
20090004527 | POLYMER, POLYMER ELECTROLYTE MEMBRANE FOR POLYMER ELECTROLYTE FUEL CELL, AND MEMBRANE/ELECTRODE ASSEMBLY - A polymer electrolyte membrane made of a polymer has a low electrical resistance, high heat resistance and is strong against repeats of swelling and shrinkage. Thus, a membrane/electrode assembly for polymer electrolyte fuel cells having high power generation performance and excellent in durability can be provided. | 01-01-2009 |
20090110967 | ELECTROLYTE MEMBRANE FOR POLYMER ELECTROLYTE FUEL CELL, PROCESS FOR ITS PRODUCTION, MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL AND METHOD OF OPERATING POLYMER ELECTROLYTE FUEL CELL - An electrolyte membrane for a polymer electrolyte fuel cell, which comprises an ion exchange membrane made of a fluoropolymer having a softening temperature of at least 90° C. and having acidic groups, and contains cerium atoms. | 04-30-2009 |
20090291345 | MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELLS, POLYMER ELECTROLYTE FUEL CELL, AND PROCESSES FOR THEIR PRODUCTION - To provide a membrane/electrode assembly for polymer electrolyte fuel cells, a polymer electrolyte fuel cell and processes for their production, which make it possible to stably exhibit a high power generation performance in various environments. A membrane/electrode assembly for polymer electrolyte fuel cells, which comprises a first electrode having a first catalyst layer and a first gas diffusion layer, a second electrode having a second catalyst layer and a second gas diffusion layer, and a polymer electrolyte membrane disposed between the first electrode and the second electrode, wherein the 90° peel strength at least one of the interface between the first electrode and the polymer electrolyte membrane and the interface between the second electrode and the polymer electrolyte membrane is at least 0.03 N/cm. | 11-26-2009 |
20100009236 | POLYMER ELECTROLYTE MEMBRANE FOR POLYMER ELECTROLYTE FUEL CELLS, AND MEMBRANE/ELECTRODE ASSEMBLY - To provide a polymer electrolyte membrane for polymer electrolyte fuel cells having high mechanical strength and excellent dimensional stability when it contains water even when it is made thin and the concentration of ionic groups is increased so as to reduce the electrical resistance, and a membrane/electrode assembly providing high output and having excellent durability. | 01-14-2010 |
20100304271 | ELECTROLYTE MATERIAL, LIQUID COMPOSITION AND MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL - It is to provide an electrolyte material with which an increase in the water content can be suppressed even when the ion exchange capacity of a polymer having repeating units based on a monomer having a dioxolane ring is high; and a membrane/electrode assembly excellent in the power generation characteristics under low or no humidity conditions and under high humidity conditions. | 12-02-2010 |
20110027677 | FUEL CELL SYSTEM - To provide a fuel cell system provided with a polymer electrolyte fuel cell which is excellent in the power generation characteristics under high temperature and low or no humidity conditions. | 02-03-2011 |
20110027687 | ELECTROLYTE MATERIAL, LIQUID COMPOSITION AND MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL - It is to provide a membrane/electrode assembly excellent in the power generation characteristics under low or no humidity conditions and under high humidity conditions; and an electrolyte material having a low water content, suitable for a catalyst layer of a membrane/electrode assembly. | 02-03-2011 |
20110027688 | ELECTROLYTE MATERIAL, LIQUID COMPOSITION AND MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL - It is to provide a membrane/electrode assembly excellent in the power generation characteristics under low or no humidity conditions and under high humidity conditions, and an electrolyte material suitable for a catalyst layer of the membrane/electrode assembly. | 02-03-2011 |
20130052561 | POLYMER ELECTROLYTE MEMBRANE AND MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL - To provide a polymer electrolyte membrane and a membrane/electrode assembly for a polymer electrolyte fuel cell, excellent in the durability to hydrogen peroxide or peroxide radicals. | 02-28-2013 |