Title:
STYRENE ACRYLIC EMULSION AND PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/240535
Kind Code:
A1
Abstract:
The present application relates to a styrene acrylic emulsion and a preparation method therefor, a negative electrode sheet, a secondary battery, and an electrical device. The Dv50 particle size of latex particles in the styrene acrylic emulsion is 350-900 nm, and optionally 350-800 nm. The negative electrode sheet comprises a negative electrode current collector and a negative electrode active material layer; the negative electrode active material layer is located on at least one surface of the negative electrode current collector; the components of the negative electrode active material layer comprise a hard carbon material and a binder; and the binder is from the styrene acrylic emulsion.
Inventors:
WU QIFAN (CN)
ZHANG MING (CN)
ZHANG MING (CN)
Application Number:
PCT/CN2022/099153
Publication Date:
December 21, 2023
Filing Date:
June 16, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M4/62; C08F2/24; C09D125/14
Foreign References:
| CN113736009A | 2021-12-03 | |||
| CN114583173A | 2022-06-03 | |||
| CN113136014A | 2021-07-20 | |||
| JP2011026502A | 2011-02-10 |
Attorney, Agent or Firm:
ACIP LAW OFFICES (CN)
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