Patent application number | Description | Published |
20080206613 | Reformer for fuel cell, and fuel cell system comprising the same - A reformer for a fuel cell system includes a heating source for generating heat by a reaction of a fuel and an oxidant using an oxidizing catalyst, and a reforming reaction part for generating hydrogen by a reforming catalyst reaction. The oxidizing catalyst includes a solid acid, including a strong acid ion and an inorganic oxide, and a platinum-based metal. The reformer for a fuel cell system can start a fuel oxidation catalyst reaction at a low temperature with the heating source having a simplified structure. | 08-28-2008 |
20080318106 | Catalyst for a cathode of a mixed reactant fuel cell, membrane-electrode assembly for a mixed reactant fuel cell including the same, and mixed reactant fuel cell system including the same - The cathode catalyst for a mixed reactant fuel cell includes a mixed catalyst that includes a first catalyst including a Ru—Ch1 compound where Ch1 is a chalcogens selected from the group consisting of S, Se, Te, and combinations thereof, and a second catalyst including a Pt—Ch2 compound where Ch2 is a chalcogens selected from the group consisting of S, Se, Te, and combinations thereof. The cathode catalyst can improve excellent power characteristics of a fuel cell due to excellent catalyst activity and selectivity. | 12-25-2008 |
20090011311 | CATHODE CATALYST FOR FUEL CELL, METHOD OF PREPARING SAME, AND MEMBRANE-ELECTRODE ASSEMBLY COMPRISING SAME - The cathode catalyst for a fuel cell includes an RuSe alloy having an average particle size of less than or equal to 6 nm. The cathode catalyst may also include a metal carbide. The RuSe alloy is a highly active amorphous catalyst. | 01-08-2009 |
20090061286 | Cathode catalyst for fuel cell, method for preparing the same, membrane-electrode assembly comprising the same, and fuel cell system including the same - The cathode catalyst for a fuel cell includes PdM where M is a metal selected from the group consisting of Mn, Fe, Co, Cu, and combinations thereof. The average distance between the Pd atoms ranges from 2.72 to 2.73 Å, the average distance between the Pd and M atoms ranges from 2.63 to 2.67 Å, and the average distance between the M atoms ranges from 2.63 to 2.67 Å. The cathode catalyst is relatively cheaper but has excellent activity compared with a Pt catalyst. | 03-05-2009 |
20090104509 | Carrier for fuel cell, and catalyst, membrane-electrode assembly, and fuel cell system including the same - The present invention provides a carrier for a fuel cell including a cryogel-type carbon. A catalyst of the fuel cell includes the cryogel-type carbon and an active material. One of an anode and cathode of the fuel cell has the catalyst including cryogel-type carbon. The carrier for a fuel cell has excellent porosity, specific surface area, and density characteristics, and thus is capable of improving catalyst activity due to excellent catalyst-supporting efficiency, and thereby cell performance. | 04-23-2009 |
20090136808 | Porous carbon structure, method for preparing same, electrode catalyst for fuel cell, and electrode and membrane-electrode assembly including same - The porous carbon structure according to one embodiment of the present invention includes mesopores, and at least two kinds of macropores having different average pore diameters. The porous carbon structure includes inter-connected pores and thereby increases specific surface area and improves electronic conductivity. | 05-28-2009 |