METHOD FOR PRODUCING ANODE ACTIVE MATERIAL, AND ANODE ACTIVE MATERIAL
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United States of America Patent
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Jan 23, 2014
app pub date -
Jul 17, 2013
filing date -
Jul 18, 2012
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Abstract
A main object of the present invention is to provide a method for producing, with excellent productivity, an anode active material having the composition of a mica group mineral. The object is attained by providing a method for producing a vitreous anode active material, comprising steps of: a heat treatment step of heat treating a raw material mixture having a composition that is capable of forming a mica group mineral, at a heat treatment temperature that is higher than or equal to the melting temperature of the raw material mixture, and thereby forming a raw material melt; and a cooling step of cooling the raw material melt and thereby vitrifying the raw material melt.
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