Air electrode material, air electrode, metal-air battery, and fuel cell
AssigneeSharp Kabushiki Kaisha
InventorKeigo MITAMURA
Life of this patent
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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.
Claims7
An air electrode material comprising:
- a plurality of composite particles;
- wherein
- each of the composite particles includes a core particle and a covering particle covering the core particle;
- each of the core particles includes a material that generates catalytic activity for an oxygen reduction reaction;
- the covering particles include an electrically conductive material;
- and
- a median size of the core particles ranges from 100 to 1000 times an average primary particle size of the covering particles.
Dependencies are inferred from the claim text.