Title:
MODIFIED SILICON-CARBON NEGATIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/134414
Kind Code:
A1
Abstract:
Disclosed in the present invention are a modified silicon-carbon negative electrode material, a preparation method therefor, and an application thereof. The preparation method comprises: (1) mixing a silicon-carbon negative electrode material with a lithium alkoxide solution to carry out a solvothermal reaction; and (2) alcohol washing solid powder obtained after the solvothermal reaction in step (1), and drying the powder to obtain the modified silicon-carbon negative electrode material. The lithium alkoxide solution is formed by mixing metallic lithium with an alcohol solvent.
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Inventors:
REN HAILIANG (CN)
WANG GUOGUANG (CN)
HAN YIYAO (CN)
XIA YANG (CN)
XU JUN (CN)
WANG GUOGUANG (CN)
HAN YIYAO (CN)
XIA YANG (CN)
XU JUN (CN)
Application Number:
PCT/CN2021/089658
Publication Date:
June 30, 2022
Filing Date:
April 25, 2021
Export Citation:
Assignee:
HENGDIAN GROUP DMEGC MAGNETICS CO LTD (CN)
International Classes:
H01M4/38; H01M4/40; H01M4/62; H01M10/0525
Foreign References:
| CN112652757A | 2021-04-13 | |||
| CN111584853A | 2020-08-25 | |||
| CN106816594A | 2017-06-09 | |||
| CN110679019A | 2020-01-10 | |||
| CN110556509A | 2019-12-10 | |||
| US20190088922A1 | 2019-03-21 | |||
| CN110890538A | 2020-03-17 | |||
| CN110429265A | 2019-11-08 | |||
| CN109411717A | 2019-03-01 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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