Title:
NEGATIVE ELECTRODE SHEET, SECONDARY BATTERY, ELECTRICAL DEVICE, AND PREPARATION METHOD AND USE OF NEGATIVE ELECTRODE SLURRY
Document Type and Number:
WIPO Patent Application WO/2024/082283
Kind Code:
A1
Abstract:
The present application provides a negative electrode sheet. A negative electrode active material layer comprises a polymer binder; the polymer binder comprises a plurality of reticulated polyolefin backbones and a plurality of bridging groups; polar groups are arranged on the side groups of the polyolefin backbones and the bridging groups, and these polar groups can form hydrogen bonds with each other; and the side group of each polyolefin backbone at least comprises -OH, and further comprises at least one of -COO- and -COOH.
Inventors:
CHEN XIAOFEI (CN)
WANG NING (CN)
WANG XINGHUI (CN)
MU SAINAN (CN)
WEI ZHITING (CN)
WANG NING (CN)
WANG XINGHUI (CN)
MU SAINAN (CN)
WEI ZHITING (CN)
Application Number:
PCT/CN2022/126783
Publication Date:
April 25, 2024
Filing Date:
October 21, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M4/62
Attorney, Agent or Firm:
ACIP LAW OFFICES (CN)
Download PDF: