CATALYST AND ITS MANUFACTURING METHOD
PROBLEM TO BE SOLVED: To provide a method for manufacturing a catalyst, by which the catalyst whose activity is restrained from being deteriorated with time due to carbon monoxide poisoning can be manufactured at the cost lower than before and to provide the catalyst obtained by this manufacturing m...
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| creator | NOSAKA TOSHINORI MATSUMOTO SHIGEO OKAMOTO AKIO |
| description | PROBLEM TO BE SOLVED: To provide a method for manufacturing a catalyst, by which the catalyst whose activity is restrained from being deteriorated with time due to carbon monoxide poisoning can be manufactured at the cost lower than before and to provide the catalyst obtained by this manufacturing method. SOLUTION: The catalyst is a conjugated catalyst of platinum or a platinum-based alloy with carbon and is characterized in that a peak of a 4f orbit of the platinum or platinum-based alloy of the multiplexed catalyst, which is measured by using a device for X-ray photoelectron spectroscopic analysis, is shifted to the high energy side by 0.01-0.40 eV. The method for manufacturing the catalyst comprises a step of depositing a film of such a state that platinum or the platinum-based alloy is conjugated with carbon by a PVD (physical vapor deposition) method or a CVD (chemical vapor deposition) method while introducing a carbon source into platinum or the platinum-based alloy. COPYRIGHT: (C)2008,JPO&INPIT |
| format | Patent |
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SOLUTION: The catalyst is a conjugated catalyst of platinum or a platinum-based alloy with carbon and is characterized in that a peak of a 4f orbit of the platinum or platinum-based alloy of the multiplexed catalyst, which is measured by using a device for X-ray photoelectron spectroscopic analysis, is shifted to the high energy side by 0.01-0.40 eV. The method for manufacturing the catalyst comprises a step of depositing a film of such a state that platinum or the platinum-based alloy is conjugated with carbon by a PVD (physical vapor deposition) method or a CVD (chemical vapor deposition) method while introducing a carbon source into platinum or the platinum-based alloy. 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| subjects | BASIC ELECTRIC ELEMENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ELECTRICITY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR RELEVANT APPARATUS TRANSPORTING |
| title | CATALYST AND ITS MANUFACTURING METHOD |
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