Layered Manganese Oxide, and Preparation Method Thereof
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United States of America Patent
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May 16, 2024
app pub date -
Mar 14, 2022
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Mar 12, 2021
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Abstract
It is an object of the present invention to provide a catalyst having high catalytic activity for oxygen reduction reaction, hydrogen evolution reaction, and the like, particularly a catalyst employing platinum group particles having a small particle diameter. A layered manganese oxide comprising platinum group metal particles between layers. A method for producing a layered manganese oxide comprising platinum group metal particles between layers, or platinum group metal particles, the method comprising introducing a platinum group complex between layers of a layered manganese oxide and reducing the introduced platinum group complex by electrolysis, wherein a potential applied to the platinum group complex is changed in a positive direction and a negative direction.
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