Patent application number | Description | Published |
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 |
20110229766 | CARBON CATALYST, METHOD FOR MANUFACTURING THE CARBON CATALYST, AND ELECTRODE AND BATTERY USING THE CARBON CATALYST - Provided are a carbon catalyst having an excellent activity and a method of manufacturing a carbon catalyst, and an electrode and a battery each using the carbon catalyst. The method of manufacturing a carbon catalyst according to the present invention includes a carbonizing step S | 09-22-2011 |
20110243830 | CARBON CATALYST, METHOD FOR MANUFACTURING THE CARBON CATALYST, AND ELECTRODE AND BATTERY USING THE CARBON CATALYST - A method of manufacturing a carbon catalyst according to the present invention includes: a first step involving heating a raw material containing a resin and a metal to carbonize the resin so that a carbon catalyst is obtained; a second step involving subjecting the carbon catalyst to a treatment for removing the metal; and a third step involving subjecting the carbon catalyst that has been subjected to the treatment to a heat treatment to improve an activity of the carbon catalyst. | 10-06-2011 |
20120220446 | CARBON CATALYST, METHOD OF PRODUCING SAME, AND ELECTRODE AND BATTERY EACH UTILIZING SAME - Provided is a carbon catalyst having an improved activity. The carbon catalyst is obtained by: carbonizing raw materials containing an organic compound as a carbon source, a metal, and an electrically conductive carbon material to produce a carbonized material; impregnating the carbonized material with a metal; and subjecting the carbonized material with the metal to a heat treatment. | 08-30-2012 |
20120231338 | SUPPORT FOR CATALYST SUPPORTING, CARRIER WITH SUPPORTED CATALYST, ELECTRODE, AND BATTERY - A support for carrying a catalyst is obtained by carbonizing raw materials containing a nitrogen-containing organic substance and a metal. The support for carrying a catalyst may have a peak at a diffraction angle of around 26° in an X-ray diffraction pattern, the peak including 20 to 45% of a graphite-like structure component and 55 to 80% of an amorphous component. In addition, the support for carrying a catalyst may have an intensity ratio of a band at 1,360 cm | 09-13-2012 |
20120313053 | HYDROGEN STORING CARBON MATERIAL - Provided is a hydrogen-storing carbon material with improved hydrogen storage capacity. The hydrogen-storing carbon material has a total pore volume of 0.5 cm | 12-13-2012 |
20130040224 | CARBON CATALYST FOR DIRECT FUEL CELL CATHODE, AND DIRECT FUEL CELL CATHODE AND DIRECT FUEL CELL USING SAME - Provided is a carbon catalyst for a cathode of a direct fuel cell, which selectively promotes an oxygen reduction reaction even when crossover of a fuel compound occurs. The carbon catalyst for a cathode of a direct fuel cell exhibits an oxygen-reducing catalytic activity in an electrolytic solution containing a fuel compound for the direct fuel cell, and exhibits substantially no catalytic activity to oxidize the fuel compound in the electrolytic solution. | 02-14-2013 |
20130122391 | ELECTRODE FOR USE IN A FUEL CELL - The disclosed electrode for use in a fuel cell comprises a flexible carbon-fiber nonwoven fabric and a fuel-cell catalyst, such as a metal catalyst or a carbon-alloy catalyst, supported on the surfaces of the carbon fibers constituting the flexible carbon-fiber nonwoven fabric. Said flexible carbon-fiber nonwoven fabric is formed by carbonizing a nonwoven fabric obtained by electrospinning a composition containing: an electrospinnable macromolecular substance; an organic compound that is different from said macromolecular substance; and a transition metal. This structure allows the provision of an electrode, for use in a fuel cell, which uses a flexible carbon-fiber nonwoven fabric as a substrate and combines the functions of a gas-diffusion layer and an electrocatalyst layer. | 05-16-2013 |
20130217567 | CARBON CATALYST AND PROCESS FOR PRODUCTION THEREOF, AND ELECTRODE AND BATTERY EACH EQUIPPED WITH SAME - Provided is a carbon catalyst having an improved catalytic activity, a production method therefor, and an electrode and a battery which use the carbon catalyst. The carbon catalyst is obtained by carbonizing a raw material including an organic substance containing a nitrogen atom and metals, and includes iron and/or cobalt, and copper as the metals. Further, the carbon catalyst has a crystallinity of 41.0% or less, which is determined by X-ray diffractometry, a nitrogen atom-to-carbon atom ratio of 0.7 or more, which is determined by X-ray photoelectronic spectrometry, and an oxygen reduction-starting potential of 0.774 V (vs. NHE) or more. | 08-22-2013 |
20130243687 | CARBON CATALYST FOR HYDROGEN PRODUCTION, METHOD FOR PRODUCING CATALYST, AND METHOD FOR PRODUCING HYDROGEN USING CATALYST - Provided are a carbon catalyst for hydrogen production having an excellent catalytic activity, a production method therefor, and a method of producing hydrogen using the catalyst. The carbon catalyst for hydrogen production is a carbon catalyst, which is obtained by carbonizing a raw material including an organic substance and a transition metal, the catalyst being used for hydrogen production by thermal decomposition of a hydrocarbon compound and/or an oxygen-containing organic compound. Further, the carbon catalyst for hydrogen production may be obtained by loading an alkaline earth metal on a carbonized material produced by the carbonization. | 09-19-2013 |
20130288888 | CARBON CATALYST, METHOD FOR PRODUCING CARBON CATALYST, FUEL CELL, ELECTRICITY STORAGE DEVICE, AND USE OF CARBON CATALYST - A carbon catalyst which has high catalytic activity and can achieve high catalyst performance is provided. The carbon catalyst comprises nitrogen. The energy peak area ratio of the first nitrogen atom whose electron in the 1s orbital has a binding energy of 398.5±1.0 eV to the second nitrogen atom whose electron in the 1s orbital has a binding energy of 401±1.0 eV (i.e., the value of (the first nitrogen atom)/(the second nitrogen atom)) of the nitrogen introduced into the catalyst is 1.2 or less. | 10-31-2013 |
20140011672 | CARBON CATALYST, METHOD OF PRODUCING SAME, AND ELECTRODE AND BATTERY EACH UTILIZING SAME - Provided is a method of producing a carbon catalyst having an improved activity. The method of producing carbon catalyst including a carbonization step of carbonizing raw materials containing an organic compound as a carbon source, a metal, and an electrically conductive carbon material to produce a carbonized material; a metal impregnation step of impregnating the carbonized material with a metal; and a heat treatment step of subjecting the carbonized material impregnated with the metal to a heat treatment. | 01-09-2014 |
20140296357 | SUPPORT FOR SUPPORTING METALS, METAL-SUPPORTED CATALYST, METHANATION REACTION APPARATUS, AND METHOD RELATING TO THESE - Provided are a support for supporting a metal, a metal-supported catalyst, a methanation reaction apparatus, and a method relating thereto that realize effective methanation of carbon monoxide. The support for supporting a metal includes a carbonized material obtained by carbonizing raw materials containing an organic substance and a metal, in which the support is used for supporting a metal that exhibits a catalytic activity for a methanation reaction of carbon monoxide. The metal-supported catalyst includes: a support formed of a carbonized material obtained by carbonizing raw materials containing an organic substance and a metal; and a metal that exhibits a catalytic activity for a methanation reaction of carbon monoxide, the metal being supported on the support. | 10-02-2014 |
20140346052 | REACTION VESSEL FOR RAMAN SPECTROPHOTOMETRY, AND RAMAN SPECTROPHOTOMETRY METHOD USING SAME - Provided are a reaction vessel for Raman spectrophotometry and a Raman spectrophotometry method using the same, which are suitable for observing an electrochemical reaction at a solid surface in an electrolyte solution. The reaction vessel for Raman spectrophotometry includes: a housing portion including a transparent window portion, in which a hollow portion for storing an electrolyte solution is formed; and a working electrode portion configured from a conductive material that is electrochemically inactive in the electrolyte solution, the working electrode portion including one part arranged facing the window portion in the hollow portion to hold a sample, and another part extended to outside the housing portion to be connected to an external power source. | 11-27-2014 |