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Patent Searching and Data


Title:
ALL-SOLID-STATE BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/069204
Kind Code:
A1
Abstract:
The present invention provides a means for enabling a lithium deposition-type all-solid-state battery to be more reliably prevented from short circuit. The present invention provides an all-solid-state battery which is provided with a power generation element that comprises: a positive electrode having a positive electrode active material layer which contains a positive electrode active material; a negative electrode having a negative electrode collector on which lithium metal is deposited during the charging of the battery; a solid electrolyte layer which is interposed between the positive electrode and the negative electrode, and contains a solid electrolyte; and a negative electrode intermediate layer which is arranged adjacent to the negative electrode collector-side surface of the solid electrolyte layer, and contains at least one material that is selected from the group consisting of metal materials that can be alloyed with lithium and carbon materials that can absorb lithium ions. With respect to this all-solid-state battery, a surface of the negative electrode intermediate layer, the surface being adjacent to the solid electrolyte layer, has a surface roughness Rz of 2.5 µm or less.

Inventors:
YAMAMOTO YUKI (JP)
Application Number:
PCT/IB2022/000569
Publication Date:
April 04, 2024
Filing Date:
September 27, 2022
Export Citation:
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Assignee:
NISSAN MOTOR (JP)
RENAULT SAS (FR)
International Classes:
H01M10/0562; H01M4/13; H01M10/058; H01M10/0585
Domestic Patent References:
WO2019078093A12019-04-25
WO2017006591A12017-01-12
Foreign References:
JP2012221749A2012-11-12
JP2005353309A2005-12-22
Attorney, Agent or Firm:
IBC (JP)
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