Title:
POLYMER MODIFIED LITHIUM MATERIAL, NEGATIVE ELECTRODE SHEET, SECONDARY BATTERY, ELECTRICAL DEVICE, METHOD AND APPLICATION
Document Type and Number:
WIPO Patent Application WO/2024/031220
Kind Code:
A1
Abstract:
The present application discloses a polymer modified lithium material, comprising a lithium-containing metal and a polymer Poly chemically linked to the surface of lithium in the lithium-containing metal, wherein Poly comprises a structure shown in formula I; every time each group appears, Rf is independently a fluorine-substituted aliphatic group, X is independently H or an electron withdrawing group, A is independently O, S or NR11, R11 is H or C1-3 alkyl, Z2 is independently a bond, carbonyl, -(O=)P(-O-)2, -S(=O)2-, -C(=O)-NH- or LC-Z0, Lc is C1-3 alkylene, and Z0 is a conjugated ligand; n≥10; m≤10; and at least one cyano group in Poly forms chemical linkage with the lithium in the lithium-containing metal.
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Inventors:
XUE WENWEN (CN)
LIU CHENGYONG (CN)
HE XIAONING (CN)
HU BOBING (CN)
NING ZIYANG (CN)
LIU CHENGYONG (CN)
HE XIAONING (CN)
HU BOBING (CN)
NING ZIYANG (CN)
Application Number:
PCT/CN2022/110781
Publication Date:
February 15, 2024
Filing Date:
August 08, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M4/62; H01M4/13
Foreign References:
| CN112421046A | 2021-02-26 | |||
| CN113912898A | 2022-01-11 | |||
| CN110915049A | 2020-03-24 | |||
| US20210087317A1 | 2021-03-25 |
Attorney, Agent or Firm:
ACIP LAW OFFICES (CN)
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