ACTIVE MATERIAL PARTICLES, ELECTRODE, POWER STORAGE ELEMENT, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, ALL-SOLID-STATE SECONDARY BATTERY, METHOD FOR PRODUCING ACTIVE MATERIAL PARTICLES, AND POWER STORAGE DEVICE

Title:

Document Type and Number:

WIPO Patent Application WO/2022/163584

Kind Code:

A1

Abstract:

Each of active material particles according to one aspect of the present invention has an active material matrix and a coating layer that covers at least a part of the surface of the active material matrix; the coating layer contains an oxide that contains lithium atoms and titanium atoms; and the content of the lithium atoms relative to the titanium atoms in the oxide is more than 1 but not more than 4 in terms of the molar ratio.

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Inventors:

YOSHIKAWA DAISUKE (JP)
SUYAMA MOTOSHI (JP)

Application Number:

PCT/JP2022/002443

Publication Date:

August 04, 2022

Filing Date:

January 24, 2022

Export Citation:

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Assignee:

GS YUASA INT LTD (JP)

International Classes:

C01G53/00; H01G11/06; H01G11/30; H01M4/13; H01M4/36; H01M4/505; H01M4/525; H01M4/62; H01M10/052; H01M10/0562

Domestic Patent References:

WO2018012522A1	2018-01-18
WO2013046443A1	2013-04-04
WO2018043382A1	2018-03-08

Foreign References:

JP2020537319A	2020-12-17
JP2013054926A	2013-03-21
JP2012234648A	2012-11-29
JP2017152294A	2017-08-31
JP2018160432A	2018-10-11
JP2019053945A	2019-04-04
JP2020035608A	2020-03-05
JP2020537319A	2020-12-17
JP2020031052A	2020-02-27
JP2011165467A	2011-08-25

Other References:

SCHANNON ET AL., ACTA CRYST. A, vol. 32, no. 1976, pages 751
SCHANNON ET AL., ACTA CRYST. A 32, vol. 751, 1976

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