LITHIUM ION BATTERY NEGATIVE ELECTRODE ACTIVE MATERIAL

Title:

LITHIUM ION BATTERY NEGATIVE ELECTRODE ACTIVE MATERIAL

Document Type and Number:

WIPO Patent Application WO/2022/260110

Kind Code:

A1

Abstract:

The present invention relates to a lithium ion battery negative electrode active material that includes an Si phase, an Si-Zr compound phase, an Si-X compound phase, and an Sn-Cu compound phase, X being at least one element selected from the group that consists of Fe, Ni, Co, Mn, Ti, V, and Cr, the Sn-Cu compound phase fraction of the whole being 0.1–18 mass%, and the Si phase fraction being 10–90 mass%.

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Inventors:

KIMURA YUTA (JP)
MINAMI KAZUKI (JP)

Application Number:

PCT/JP2022/023207

Publication Date:

December 15, 2022

Filing Date:

June 08, 2022

Export Citation:

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Assignee:

DAIDO STEEL CO LTD (JP)

International Classes:

H01M4/38; C22C13/00; H01M4/36

Foreign References:

JP2020126835A	2020-08-20
JP2021022438A	2021-02-18
JP2018073650A	2018-05-10
JP2004319469A	2004-11-11
JP2017224499A	2017-12-21
JP2021097385A	2021-06-24

Attorney, Agent or Firm:

YAMAZAKI Tomoko (JP)

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