Patent application number | Description | Published |
20100209809 | CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL - Catalyst layers include an electrocatalyst having high oxygen reduction activity that is useful as an alternative material to platinum catalysts. Uses of the catalyst layers are also disclosed. | 08-19-2010 |
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 |
20110020729 | CATALYST, PRODUCTION PROCESS THEREFOR AND USE THEREOF - Catalysts of the present invention are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. | 01-27-2011 |
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 |
20110229793 | METAL OXIDE ELECTROCATALYST, USE THEREOF, AND PROCESS FOR PRODUCING METAL OXIDE ELECTROCATALYSTS - A metal oxide electrode catalyst which includes a metal oxide (Y) obtained by heat treating a metal compound (X) under an oxygen-containing atmosphere. The valence of the metal in the metal compound (X) is smaller than the valence of the metal in the metal oxide (Y). Further, the metal oxide electrocatalyst has an ionization potential in the range of 4.9 to 5.5 eV. | 09-22-2011 |
20120003548 | AIR BATTERY CATALYST AND AIR BATTERY USING THE SAME - Catalysts are provided which can catalyze both the oxygen reduction during the discharge of a secondary air battery and the oxygen production in the recharging of the battery and which are stable at a high potential in the recharging. The invention has been accomplished based on the finding that a catalyst including an oxycarbonitride of a specific transition metal selected from, for example, titanium, zirconium, hafnium, vanadium, niobium and tantalum can catalyze both the oxygen reduction during the discharge of a secondary air battery and the oxygen production in the recharging of the battery and is also stable at a high potential in the recharging. | 01-05-2012 |
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 |
20120258381 | INK, FUEL CELL CATALYST LAYER FORMED BY USING THE INK AND USES THEREOF - There is provided an ink for forming a fuel cell catalyst layer that is capable of efficiently forming a high-performance fuel cell catalyst layer inexpensively. The ink for forming a fuel cell catalyst layer of the present invention comprises a fuel cell catalyst, an electron conductive material, a proton conductive material and a solvent, wherein the fuel cell catalyst comprises a metal-containing oxycarbonitride that contains niobium and/or titanium; the mass ratio [(A)/(B)] of the content (A) of the fuel cell catalyst to the content (B) of the electron conductive material is 1 to 6; and the mass ratio [(D)/(C)] of the content (D) of the proton conductive material to the total content (C) of the fuel cell catalyst and the electron conductive material is 0.2 to 0.6. | 10-11-2012 |
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 |
20140170526 | PROCESS FOR PRODUCTION AND USE OF CARBONITRIDE MIXTURE PARTICLES OR OXYCARBONITRIDE MIXTURE PARTICLES - The invention has an object of providing catalysts that are not corroded in acidic electrolytes or at high potential, have excellent durability and show high oxygen reducing ability. An aspect of the invention is directed to a process wherein metal carbonitride mixture particles or metal oxycarbonitride mixture particles are produced from an organometallic compound of a Group IV or V transition metal, a metal salt of a Group IV or V transition metal, or a mixture of these compounds using laser light as a light source. | 06-19-2014 |