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 |
20090042067 | MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL - A membrane/electrode assembly for a polymer electrolyte fuel cell, comprising an anode and a cathode each having a catalyst layer containing a proton conductive polymer, and a polymer electrolyte membrane disposed between the anode and the cathode, wherein the proton conductive polymer has an electrical conductivity of at least 0.07 S/cm at a temperature of 80° C. at a relative humidity of 40% and has a water content less than 150 mass %. | 02-12-2009 |
20090048424 | FLUOROSULFONYL GROUP-CONTAINING MONOMER AND ITS POLYMER, AND SULFONIC ACID GROUP-CONTAINING POLYMER - To provide a fluorosulfonyl group-containing monomer having a high polymerization reactivity and plural fluorosulfonyl groups. Further, to provide a fluorosulfonyl group-containing polymer and a sulfonic acid group-containing polymer, obtained by using the monomer. | 02-19-2009 |
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 |
20090187044 | FLUOROSULFONYL GROUP-CONTAINING COMPOUND, METHOD FOR ITS PRODUCTION AND POLYMER THEREOF - A compound containing two fluorosulfonyl groups which are groups convertible to sulfonic acid groups, an intermediate therefor, and methods for their production with high productivity, are provided. Also provided are a fluorosulfonyl group-containing polymer obtained by polymerizing such a compound, and a sulfonic acid group-containing polymer obtained from such a polymer. | 07-23-2009 |
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 |
20090306233 | ION-EXCHANGE MEMBRANE FOR ALKALINE CHLORIDE ELECTROLYSIS - To provide an ion exchange membrane for alkaline chloride electrolysis having a low electric resistance and further having a sufficient mechanical strength. | 12-10-2009 |
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 |
20100160598 | PROCESS FOR PRODUCING FLUOROPOLYMER PARTICLES - To provide a process for producing fluoropolymer particles, whereby formation of fine particles is suppressed. | 06-24-2010 |
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 |