Method of manufacturing an electrode active material...

Details Method of manufacturing an electrode active material... Method of manufacturing an electrode active material...

2007-11-09

2010-02-02

Cleveland, Michael (Department: 1792)

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

Reexamination Certificate

active

07655273

ABSTRACT:
A method of manufacturing an electrode active material particle for a rechargeable battery wherein a layer of an active material capable of being alloyed with Li is formed on a surface of a metal particle incapable of being alloyed with Li and then a heat treatment is conducted to diffuse the active material into the metal particle so that the resulting active material particle has a concentration profile in which a concentration of a metal element of the metal particle decreases from an interior toward the surface.

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