Preparation method of efficient and stable Pt-based catalyst capable of being used for electrolyzed water and fuel cells
The invention provides a preparation method of a Pt-based catalyst which is efficient and stable and can be used for electrolyzed water and a fuel cell. The catalyst is used for an oxygen reduction reaction of the electrolyzed water and a fuel cell cathode. The Pt-based catalyst is prepared by takin...
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| creator | CONG XUZI LI ZHONGFANG LEE MI-EUN SUN YINGGANG LU FAYUN WANG LIKAI |
| description | The invention provides a preparation method of a Pt-based catalyst which is efficient and stable and can be used for electrolyzed water and a fuel cell. The catalyst is used for an oxygen reduction reaction of the electrolyzed water and a fuel cell cathode. The Pt-based catalyst is prepared by taking platinum salt as a Pt source and regulating the size structure of platinum nanoparticles by using organic alkali, inorganic alkali and an alcohol reduction method. The catalyst is used for a fuel cell cathode oxygen reduction reaction in a four-electron transfer manner, and has good catalytic activity in a water electrolysis reaction under full pH. According to the method, the uniformity of platinum nanoparticles is effectively improved, more catalytic active sites are provided for electrocatalytic reaction, and the platinum-based catalyst with high efficiency and long service life is obtained. The preparation method disclosed by the invention is simple and safe, and the obtained nano-particle catalyst is an idea |
| format | Patent |
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The catalyst is used for an oxygen reduction reaction of the electrolyzed water and a fuel cell cathode. The Pt-based catalyst is prepared by taking platinum salt as a Pt source and regulating the size structure of platinum nanoparticles by using organic alkali, inorganic alkali and an alcohol reduction method. The catalyst is used for a fuel cell cathode oxygen reduction reaction in a four-electron transfer manner, and has good catalytic activity in a water electrolysis reaction under full pH. According to the method, the uniformity of platinum nanoparticles is effectively improved, more catalytic active sites are provided for electrocatalytic reaction, and the platinum-based catalyst with high efficiency and long service life is obtained. 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| subjects | APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY NANOTECHNOLOGY PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING |
| title | Preparation method of efficient and stable Pt-based catalyst capable of being used for electrolyzed water and fuel cells |
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