Patent application number | Description | Published |
20090035634 | Electrolyte Membrane-Electrode Assembly And Method For Production Thereof - The present invention is to provide an electrolyte membrane-electrode assembly which enables to effectively suppress corrosion of a cathode catalyst on start/stop, and decomposition of an electrolyte on OCV retention. The present invention is to provide an electrolyte membrane-electrode assembly which comprises a polymer electrolyte membrane, a cathode catalytic layer located at one side of the polymer electrolyte membrane, an anode catalytic layer located at the other side of the polymer electrolyte membrane, and a first gasket layer formed at the end part of the cathode catalytic layer so that area of the effective anode catalytic layer is made larger than area of the effective cathode catalytic layer. | 02-05-2009 |
20160064744 | CATALYST AND ELECTRODE CATALYST LAYER FOR FUEL CELL HAVING THE CATALYST | 03-03-2016 |
20160072133 | CATALYST AND ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL USING THE CATALYST - The present invention has an object to provide a catalyst having excellent oxygen reduction reaction activity. The present invention relates to a catalyst comprising a catalyst support and a catalyst metal supported on the catalyst support, wherein a specific surface area of the catalyst per support weight is 715 m | 03-10-2016 |
20160079605 | CATALYST AND ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL USING THE CATALYST - The object of the present invention is to provide a catalyst having an excellent catalyst activity. | 03-17-2016 |
20160079606 | CATALYST, AND ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL USING THE CATALYST - [Object] Provided is a catalyst having an excellent gas transportability. | 03-17-2016 |
20160087281 | CATALYST AND ELECTRODE CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL USING THE CATALYST - [Object] Provided is a catalyst having excellent gas transportability. | 03-24-2016 |
Patent application number | Description | Published |
20110123899 | POLYMER ELECTROLYTE FUEL CELL - For a combination of a solid polymer electrolyte membrane | 05-26-2011 |
20110244360 | ELECTROLYTIC MEMBRANE STRUCTURE FOR FUEL CELL AND FUEL CELL - A catalyst layer | 10-06-2011 |
20110250523 | FUEL CELL - A fuel cell comprises a cathode catalyst layer and an anode catalyst layer disposed on each surface of an electrolyte membrane, an oxidant gas passage facing the cathode catalyst layer, and a fuel gas passage facing the anode catalyst layer. The cathode catalyst layer contains a metal catalyst. In a region (A), in which the differential electric potential between the cathode catalyst layer and the electrolyte membrane is larger than in another region, the metal catalyst content of the cathode catalyst layer or the specific surface area of the metal catalyst in the form of minute particles is increased, and thus a deterioration in electric power generation efficiency caused by melting of the metal catalyst due to the large differential electric potential is prevented. | 10-13-2011 |
20120282537 | FUEL CELL - A fuel cell comprises a cathode catalyst layer and an anode catalyst layer disposed on each surface of an electrolyte membrane, an oxidant gas passage facing the cathode catalyst layer, and a fuel gas passage facing the anode catalyst layer. The cathode catalyst layer contains a metal catalyst. In a region (A), in which the differential electric potential between the cathode catalyst layer and the electrolyte membrane is larger than in another region, the metal catalyst content of the cathode catalyst layer or the specific surface area of the metal catalyst in the form of minute particles is increased, and thus a deterioration in electric power generation efficiency caused by melting of the metal catalyst due to the large differential electric potential is prevented. | 11-08-2012 |
20140045092 | ELECTROLYTIC MEMBRANE STRUCTURE FOR FUEL CELL AND FUEL CELL - A catalyst layer | 02-13-2014 |
20140199609 | Electrocatalyst for Solid Polymer Fuel Cell - Provided is an electrocatalyst for solid polymer fuel cells capable of increasing the active surface area for reactions in a catalyst component, increasing the utilization efficiency of the catalyst, and reducing the amount of expensive precious metal catalyst used. Also provided are a membrane electrode assembly that uses this electrocatalyst and a solid polymer fuel cell. An electrocatalyst for a solid polymer fuel cell is provided with a catalyst and solid proton conducting material. A liquid conductive material retention part that retains a liquid proton conducting material that connects the catalyst and solid proton conducting material is provided between the same. The surface area of the catalyst exposed within the liquid conductive material retention part is larger than the surface area of the catalyst in contact with the solid proton conducting material. | 07-17-2014 |
20140205929 | Electrode Catalyst Layer for Fuel Cells, Electrode for Fuel Cells, Membrane Electrode Assembly for Fuel Cells, and Fuel Cell - This electrode catalyst layer for fuel cells is provided with: an electrode catalyst that comprises a conductive carrier and platinum-containing metal particles supported on the surface of the conductive carrier; and an ionomer that covers the electrode catalyst. This electrode catalyst layer for fuel cells is characterized in that the average thickness of the ionomer is 2.4 nm or less. This electrode catalyst layer for fuel cells is capable of having a good balance between proton transport properties and transport properties for a gas such as an oxidant gas or a fuel gas even in cases where the amount of supported platinum is decreased. In addition, an electrode for fuel cells, a membrane electrode assembly for fuel cells, and a fuel cell, each having good current-voltage characteristics, can be obtained using the above-described electrode catalyst layer for fuel cells. | 07-24-2014 |
20140287343 | FUEL CELL ELECTRODE CATALYST LAYER, FUEL CELL ELECTRODE, FUEL CELL MEMBRANE ELECTRODE ASSEMBLY, AND FUEL CELL - A fuel cell electrode catalyst layer ( | 09-25-2014 |
20140287344 | ELECTRODE CATALYST LAYER FOR FUEL CELL - To provide a catalyst layer for a fuel cell, which exhibits excellent power generation performance even in the case of reducing the used amount of a catalyst. | 09-25-2014 |