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Title:
MODIFIED NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/036469
Kind Code:
A1
Abstract:
Provided in the present application are a modified negative electrode material and a preparation method therefor, a negative electrode plate, a secondary battery and an electric device. The modified negative electrode material comprises a negative electrode active substrate and a silicate group linked to the negative electrode active substrate via an oxygen atom. The structure of the silicate group is as shown in formula (1), wherein each R1 is respectively independently selected from a substituted or unsubstituted alkyl group having 1-10 carbon atoms, or a substituted or unsubstituted alkenyl group having 1-10 carbon atoms; and * represents a linking site.

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Inventors:
XU NINGBO (CN)
CHEN PEIPEI (CN)
Application Number:
PCT/CN2022/112711
Publication Date:
February 22, 2024
Filing Date:
August 16, 2022
Export Citation:
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Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M4/62; H01M4/36
Foreign References:
CN108232129A2018-06-29
US6723432B22004-04-20
CN102007627A2011-04-06
CN106169558A2016-11-30
CN105390678A2016-03-09
Attorney, Agent or Firm:
ACIP LAW OFFICES (CN)
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