COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL FOR ALL-SOLID-STATE SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, POSITIVE ELECTRODE, AND ALL-SOLID-STATE SECONDARY BATTERY

Title:

COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL FOR ALL-SOLID-STATE SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, POSITIVE ELECTRODE, AND ALL-SOLID-STATE SECONDARY BATTERY

Document Type and Number:

WIPO Patent Application WO/2018/038037

Kind Code:

A1

Abstract:

This composite positive electrode active material for an all-solid-state secondary battery includes: a particulate positive electrode active material; and a sulfide-based solid electrolyte layer that covers the surface of the particulate positive electrode active material, wherein the composite positive electrode active material has an average roundness higher by 1.3 times than that of a positive electrode active material in the inner nucleus of the composite positive electrode active material.

Inventors:

WATANO SATORU (JP)
NAKAMURA HIDEYA (JP)

Application Number:

PCT/JP2017/029731

Publication Date:

March 01, 2018

Filing Date:

August 21, 2017

Export Citation:

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Assignee:

UNIV OSAKA PREFECT PUBLIC CORP (JP)

International Classes:

H01M4/525; H01M4/36; H01M4/40; H01M4/48; H01M4/485; H01M4/505; H01M4/58; H01M4/587; H01M10/052; H01M10/054; H01M10/0562

Domestic Patent References:

WO2012157046A1

2012-11-22

Foreign References:

JP2010067499A	2010-03-25
JP2013254620A	2013-12-19
JP2017152347A	2017-08-31

Other References: