METHOD FOR PRODUCING SILICON-CONTAINING PARTICLES FOR ANODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, ANODE MEMBER FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND SILICON-CONTAINING PARTICLES FOR ANODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

Title:

Document Type and Number:

WIPO Patent Application WO/2014/073155

Kind Code:

A1

Abstract:

In the present invention, silicon-containing particles for the anode active material of a non-aqueous electrolyte secondary battery are produced by means of silicon-containing particles obtained by means of a vapor deposition method being subjected to heating processing in a reducing atmosphere in a temperature range of, for example, 400-1100°C. Also, in the silicon-containing particles that are for the anode active material of a non-aqueous electrolyte secondary battery and that are created by means of the production method, the amount contained of active oxygen in the anode for a non-aqueous electrolyte secondary battery is caused to be 0.1-1.5 mass%. As a result, during use as an anode active material for a non-aqueous electrolyte secondary battery, it is possible to result in a non-aqueous electrolyte secondary battery having a low volume change during charging/discharging, high initial efficiency, and superior cycle characteristics.

Inventors:

NAKANISHI TETSUO (JP)
TANIGUCHI KAZUYUKI (JP)
YAMADA YOSHIYASU (JP)

Application Number:

PCT/JP2013/005907

Publication Date:

May 15, 2014

Filing Date:

October 03, 2013

Export Citation:

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Assignee:

SHINETSU CHEMICAL CO (JP)

International Classes:

H01M4/38; H01M4/134; H01M10/052

Foreign References:

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Other References: