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Method for producing positive electrode material for lithium air secondary battery, positive electrode material for lithium air secondary battery, and lithium air secondary battery
Method for producing positive electrode material for lithium air secondary battery, positive electrode material for lithium air secondary battery, and lithium air secondary battery
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机译:锂空气二次电池用正极材料的制造方法,锂空气二次电池用正极材料及锂空气二次电池
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摘要
A method for producing a cathode material for rechargeable lithium-air batteries, which has a cathode catalyst loaded onto carbon, includes: a step of sonicating a mixed solution including a carbon having a specific surface area of 20 to 1,500 m2/g, a surfactant and a solvent, and a step of in situ synthesis of the cathode catalyst by (1) adding a cathode catalyst raw material to the mixed solution and (2) adding a solution containing an oxidant to the mixed solution to cause in situ precipitation of the cathode catalyst onto the carbon, the catalyst having a wire form in which the short axis length is smaller than that of the carbon and is 2 to 50 nm and the long axis length is longer than that of the carbon and is 5 to 200 nm.
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