Entries |
Document | Title | Date |
20100196794 | ELECTRODE FOR FUEL CELL, METHOD FOR PRODUCING THE SAME, AND FUEL CELL - Provided are: an electrode for a fuel cell, which is obtained by impregnating a supporting base with a vinyl polymer composition and a fuel cell catalyst, the vinyl polymer composition in which a vinyl polymer A having at least one kind of crosslinkable group selected from the group consisting of an epoxy group and an isocyanate group protected by a protecting group and a vinyl polymer B having at least one kind of crosslinkable group selected from the group consisting of a hydroxyl group, a carboxyl group, and an amino group are contained, and at least one of the vinyl polymer A and the vinyl polymer B has an acidic group forming a salt, reacting the crosslinkable group of the vinyl polymer A with the crosslinkable group of the vinyl polymer B, and then subjecting the salt to proton exchange; a method for producing the same; and a fuel cell including an electrolyte membrane and the electrode for a fuel cell. | 08-05-2010 |
20100203420 | FUEL CELL ELECTRODE CATALYST, METHOD FOR EVALUATING PERFORMANCE OF OXYGEN-REDUCING CATALYST, AND SOLID POLYMER FUEL CELL COMPRISING THE FUEL CELL ELECTRODE CATALYST - According to the present invention, a fuel cell electrode catalyst comprising a transition metal element and a chalcogen element and having high activity is provided with an index for performance evaluation that is useful for good catalyst design. Also, a fuel cell electrode catalyst is provided, such catalyst comprising at least one transition metal element and at least one chalcogen element, wherein the value of (transition metal element−chalcogen element coordination number)/(transition metal element−transition metal element coordination number) is 0.9 to 2.5. | 08-12-2010 |
20100279199 | ELECTRODE FOR FUEL CELLS AND METHOD FOR MANUFACTURING THE SAME, AND FUEL CELL USING THE SAME - Provided is a method for manufacturing an electrode for fuel cells which can manufacture an electrode having superior electric power generation characteristics by enlarging the contact area of a polymer electrolyte with catalyst particles to increase the area of the three-phase interface, resulting in improvement of availability of the catalyst particle surface. According to the method for manufacturing an electrode for fuel cells of the present invention, an electrode for fuel cells is obtained by: binding catalyst particles and porous carbon particles to a base material to form a catalyst porous structure; preparing an electrolyte precursor mixture containing a polymerizable electrolyte precursor represented by (R | 11-04-2010 |
20100285392 | ELECTROCATALYSTS FOR FUEL CELLS - Disclosed are metallized carbonaceous materials, processes for forming such materials, and electrodes and fuel cells comprising the disclosed materials. | 11-11-2010 |
20100323272 | CARBON CATALYST, SLURRY CONTAINING THE CARBON CATALYST, PROCESS FOR PRODUCING CARBON CATALYST, AND FUEL CELL, STORAGE DEVICE, AND ENVIRONMENTAL CATALYST EACH EMPLOYING CARBON CATALYST - The present invention is made to provide a carbon catalyst capable of preventing the coarsening of particles of nanoshell structure of carbon which causes reduction in activity for oxygen reduction reaction. The carbon catalyst is produced by the steps of: preparing a carbon precursor polymer; mixing a transition metal or a compound of the transition metal into the carbon precursor polymer; spinning the mixture of the carbon precursor polymer and the transition metal or the compound of the transition metal into fibers; and carbonizing the fibers. | 12-23-2010 |
20110195339 | SOLID POLYMER TYPE FUEL CELL CATALYST, SOLID POLYMER TYPE FUEL CELL ELECTRODE, AND FUEL CELL - The present invention has as its object the provision of a solid polymer fuel cell catalyst exhibiting high durability and high power generation performance regardless of the humidification conditions or load conditions. | 08-11-2011 |
20120225371 | IONOMER FOR ALKALINE FUEL CELL - An ionomer may be used as a binder for a catalyst to prepare an anode for a solid alkaline fuel cell. The ionomer is a reaction product of a guanidine and a perfluorosulfonic acid polymer. | 09-06-2012 |
20120251922 | ELECTRODE FOR A SOLID OXIDE FUEL CELL AND METHOD FOR ITS MANUFACTURE - An electrode is provided containing spherical voids which improve its gas diffusion properties and improving thermal stability of materials with different properties including the coefficient of thermal expansion. The electrode is especially useful as a component, i.e., cathode and/or anode, of solid oxide fuel cells. | 10-04-2012 |
20130157171 | CONDUCTIVE SHEET AND PRODUCTION METHOD FOR SAME - A conductive sheet comprises an aromatic polyamide pulp, a fluoroplastic fused to the aromatic polyamide pulp, and a carbon-based conductive material; wherein the conductive sheet has a static contact angle of water on a first surface that is greater than the static contact angle of water on a second surface that in the opposite surface to the first surface, and the difference between the static contact angle of water on the first surface and the static contact angle of water on the second surface is 20°-180°; or wherein the injection pressure of water on the first surface of the conductive sheet is less than the injection pressure of water on the second surface that is the opposite surface to the first surface, and the difference between the injection pressure of water on the first surface and the injection pressure of water on the second surface is 20-50 kPa. | 06-20-2013 |
20130309595 | ELECTROCATALYSTS FOR FUEL CELLS - Disclosed are metallized carbonaceous materials, processes for forming such materials, and electrodes and fuel cells comprising the disclosed materials. | 11-21-2013 |
20140220474 | CATALYST PARTICLES, CATALYST INK, ELECTRODE CATALYST LAYER FOR FUEL CELLS, MEMBRANE ELECTRODE ASSEMBLY, POLYMER ELECTROLYTE FUEL CELL, METHOD FOR PRODUCING CATALYST PARTICLES AND METHOD FOR PRODUCING CATALYST INK - Catalyst particles includes a catalyst material and carbon particles supporting the catalyst material. The catalyst particles has a water content of 4.8 mass % or more and 20 mass % or less. A manufacturing method of catalyst particles includes exposing catalyst particles, which are carbon particles supporting a catalyst material, to a humidified atmosphere, prior to dispersing the carbon particles and a polymer electrolyte in a solvent for a catalyst ink. | 08-07-2014 |