Title:
COMPOSITE NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE SHEET COMPRISING SAME, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/092472
Kind Code:
A1
Abstract:
Disclosed in the present application are a composite negative electrode active material, a negative electrode sheet comprising same, an electrode assembly, a battery cell, a battery, and an electric device. The composite negative electrode active material comprises: silicon-oxygen complex particles; and high-dielectric-constant material particles, which are attached to the surface of the silicon-oxygen complex particles and have a relative dielectric constant ε of more than or equal to 70.
Inventors:
BAI WENLONG (CN)
WU BAOZHEN (CN)
WANG YUWEN (CN)
YOU XINGYAN (CN)
ZHENG WEI (CN)
YE YONGHUANG (CN)
JIN HAIZU (CN)
WU KAI (CN)
WU BAOZHEN (CN)
WANG YUWEN (CN)
YOU XINGYAN (CN)
ZHENG WEI (CN)
YE YONGHUANG (CN)
JIN HAIZU (CN)
WU KAI (CN)
Application Number:
PCT/CN2022/128817
Publication Date:
May 10, 2024
Filing Date:
October 31, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M4/36; H01M4/485; H01M10/0525
Domestic Patent References:
| WO2022088553A1 | 2022-05-05 |
Foreign References:
| CN114373899A | 2022-04-19 | |||
| CN105895867A | 2016-08-24 | |||
| JP2015022804A | 2015-02-02 | |||
| US20150228980A1 | 2015-08-13 |
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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