Air electrode material, air electrode, metal-air battery, and fuel cell
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United States of America Patent
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Apr 16, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jul 10, 2017
filing date -
Jul 21, 2016
priority date (Note) -
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Abstract
An air electrode material according to the present disclosure contains a plurality of composite particles, wherein each of the composite particles contains a core particle and a plurality of covering particles covering the core particle, the core particle is formed of a material with catalytic activity for an oxygen reduction reaction, the covering particles are formed of an electrically conductive material and are mechanically bonded to the core particles or other covering particles, and the median size of the core particles ranges from 100 to 1000 times the average primary particle size of the covering particles.
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