Patent application number | Description | Published |
20100227253 | CATALYST, PROCESS FOR PREPARING THE SAME, AND USES OF THE CATALYST - The present invention provides a catalyst which is not corroded in an acidic electrolyte or at a high potential, is excellent in durability and has high oxygen reduction ability. The catalyst of the present invention is characterized by including a niobium oxycarbonitride. The catalyst of the invention is also characterized by including a niobium oxycarbonitride represented by the composition formula NbC | 09-09-2010 |
20100255404 | ELECTROCATALYST LAYER, MEMEBRANE ELECTRODE ASSEMBLY AND FUEL CELL - Electrocatalyst layers include an electrocatalyst having high oxygen reduction activity that is useful as an alternative material to platinum catalysts. Uses of the electrocatalyst layers are also disclosed. | 10-07-2010 |
20100331172 | CATALYST CARRIER, CATALYST AND PROCESS FOR PRODUCING THE SAME - The present invention provides a catalyst carrier having excellent durability and capable of attaining high catalytic ability without increasing the specific surface area thereof, and a catalyst obtainable by using the catalyst carrier. The catalyst carrier of the present invention comprises a metal oxycarbonitride, preferably the metal contained in the metal oxycarbonitride comprises at least one selected from the group consisting of niobium, tin, indium, platinum, tantalum, zirconium, copper, iron, tungsten, chromium, molybdenum, hafnium, titanium, vanadium, cobalt, manganese, cerium, mercury, plutonium, gold, silver, iridium, palladium, yttrium, ruthenium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and nickel. Moreover, the catalyst of the present invention comprises the catalyst carrier and a catalyst metal supported on the catalyst carrier. | 12-30-2010 |
20110008709 | CATALYST, PROCESS FOR PREPARING THE SAME, AND USES OF THE SAME - The present invention provides a catalyst which is not corroded in an acidic electrolyte or at a high potential, is excellent in durability and has high oxygen reduction activity. The catalyst of the present invention comprises an oxycarbonitride of titanium. The oxycarbonitride of titanium is preferably represented by the composition formula TiC | 01-13-2011 |
20110053040 | CATALYST, PRODUCTION PROCESS THEREFOR AND USE THEREOF - Catalysts of the invention are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. A catalyst includes a metal oxycarbonitride containing niobium and at least one metal M selected from the group consisting of tin, indium, platinum, tantalum, zirconium, copper, iron, tungsten, chromium, molybdenum, hafnium, titanium, vanadium, cobalt, manganese, cerium, mercury, plutonium, gold, silver, iridium, palladium, yttrium, ruthenium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and nickel. | 03-03-2011 |
20110053049 | PROCESS FOR PRODUCING FUEL CELL CATALYSTS, AND FUEL CELL CATALYST - The invention provides processes for producing fuel cell catalysts that are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. | 03-03-2011 |
20110059386 | CATALYST, PRODUCTION PROCESS THEREFOR AND USE THEREOF - Catalysts of the invention are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. The catalysts include a niobium oxycarbonitride represented by a compositional formula NbC | 03-10-2011 |
20110189583 | CATALYST, PRODUCTION PROCESS THEREFOR AND USE THEREOF - The invention provides catalysts which are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. | 08-04-2011 |
20120058415 | CATALYST, PRODUCTION PROCESS THEREFOR AND USE THEREOF | 03-08-2012 |
20120070763 | CATALYST, PRODUCTION PROCESS THEREFOR AND USE THEREOF - The invention provides catalysts that are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability, and processes for producing the catalysts and uses of the catalysts. The catalyst of the invention includes a metal oxycarbonitride that contains at least one metal selected from tantalum, vanadium, molybdenum and zirconium (hereinafter, also referred to as “metal M” or simply “M”) and does not contain any of platinum, titanium and niobium. | 03-22-2012 |
20120083407 | CATALYST FOR FUEL CELL AND POLYMER ELECTROLYTE FUEL CELL USING THE SAME - [Problem] To provide a catalyst which has high oxygen reduction activity, also has excellent durability, and is inexpensive and excellent in electric power generation cost as compared with noble metal catalysts such as platinum. | 04-05-2012 |
20120094207 | CATALYST, PRODUCTION PROCESS THEREFOR, AND USE THEREOF - The invention provides catalysts that are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. The catalyst includes a metal element M, carbon, nitrogen and oxygen, wherein the catalyst shows peaks at 1340 cm | 04-19-2012 |
20120115064 | PROCESS FOR PRODUCING FUEL CELL CATALYST, FUEL CELL CATALYST OBTAINED BY PRODUCTION PROCESS, AND USES THEREOF - It is an object of the present invention to provide a production process which can produce a fuel cell catalyst having excellent durability and high oxygen reducing activity. | 05-10-2012 |
20120315568 | PROCESS FOR PRODUCING FUEL CELL ELECTRODE CATALYST, PROCESS FOR PRODUCING TRANSITION METAL OXYCARBONITRIDE, FUEL CELL ELECTRODE CATALYST AND USES THEREOF - Provided is a process for producing a fuel cell electrode catalyst having high catalytic activity which uses a transition metal, e.g., titanium, which process comprises thermal treatment at relatively low temperature, i.e., not including thermal treatment at high temperature (calcining) step. The process for producing a fuel cell electrode catalyst comprises a step ( | 12-13-2012 |
20130337367 | CATALYST CARRIER, CATALYST AND PROCESS FOR PRODUCING THE SAME - The present invention provides a catalyst carrier having excellent durability and capable of attaining high catalytic ability without increasing the specific surface area thereof, and a catalyst obtainable by using the catalyst carrier. The catalyst carrier of the present invention comprises a metal oxycarbonitride, preferably the metal contained in the metal oxycarbonitride comprises at least one selected from the group consisting of niobium, tin, indium, platinum, tantalum, zirconium, copper, iron, tungsten, chromium, molybdenum, hafnium, titanium, vanadium, cobalt, manganese, cerium, mercury, plutonium, gold, silver, iridium, palladium, yttrium, ruthenium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and nickel. Moreover, the catalyst of the present invention comprises the catalyst carrier and a catalyst metal supported on the catalyst carrier. | 12-19-2013 |