Title:
BINDER, BINDER COMPOSITION, PREPARATION METHOD, NEGATIVE ELECTRODE SLURRY, NEGATIVE ELECTRODE SHEET, SECONDARY BATTERY, BATTERY MODULE, BATTERY PACK, AND ELECTRIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2024/007242
Kind Code:
A1
Abstract:
The present application relates to a binder, a binder composition, a preparation method, a negative electrode slurry, a negative electrode sheet, a secondary battery, a battery module, a battery pack, and an electric apparatus. The binder comprises: a core material, the glass transition temperature of the core material being -50 ℃ to 0 ℃; and a shell layer material, located on at least part of the surface of the core material, the glass transition temperature of the shell layer material being 60 ℃-100 ℃.
Inventors:
CHEN SHUHUA (CN)
LIU HUIHUI (CN)
WANG XINGHUI (CN)
ZHANG WENMENG (CN)
LIU HUIHUI (CN)
WANG XINGHUI (CN)
ZHANG WENMENG (CN)
Application Number:
PCT/CN2022/104329
Publication Date:
January 11, 2024
Filing Date:
July 07, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
C08F212/08; C09J125/10; C08F220/06; C08F220/14; C08F236/10; C08F257/02; C09J133/06; H01M4/62; H01M10/0525
Foreign References:
| CN103828114A | 2014-05-28 | |||
| CN111825804A | 2020-10-27 | |||
| CN104170121A | 2014-11-26 | |||
| CN113045777A | 2021-06-29 | |||
| CN114276461A | 2022-04-05 | |||
| CN103173161A | 2013-06-26 | |||
| CN113410468A | 2021-09-17 | |||
| CN108470909A | 2018-08-31 | |||
| CN113880999A | 2022-01-04 | |||
| CN114520329A | 2022-05-20 | |||
| JP2014192136A | 2014-10-06 | |||
| KR20210045591A | 2021-04-27 | |||
| US20030113626A1 | 2003-06-19 | |||
| US20210320292A1 | 2021-10-14 |
Other References:
XU, ZHONGYUAN; WANG, JIN; XU, XUN; TANG, CHENMING: "Optimization of Slurry Stability for Lithium Ion Battery", CHINESE JOURNAL OF POWER SOURCES, JIXIE DIANZI GONGYEBU DIANYUAN QINGBAOWANG , TIANJIN, CN, no. 04, 20 April 2015 (2015-04-20), CN , pages 743 - 744, XP009551752, ISSN: 1002-087X
XIONG, PENG; WANG, XIAOBO; YANG, YANFEI; ZHU, XING; HU, ZHIHAI; FAN, MINGXIA; XIONG, JIAN; JINANG, GUODONG; YUAN, SONGDONG: "Preparation of Sodium Carboxymethyl Cellulose of Li-ion Battery Binder and its Application on Silicon Cathode", JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY, WUHAN LIGONG DAXUE, CN, no. 04, 30 April 2016 (2016-04-30), CN , pages 26 - 30, XP009551751, ISSN: 1671-4431
XIONG, PENG; WANG, XIAOBO; YANG, YANFEI; ZHU, XING; HU, ZHIHAI; FAN, MINGXIA; XIONG, JIAN; JINANG, GUODONG; YUAN, SONGDONG: "Preparation of Sodium Carboxymethyl Cellulose of Li-ion Battery Binder and its Application on Silicon Cathode", JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY, WUHAN LIGONG DAXUE, CN, no. 04, 30 April 2016 (2016-04-30), CN , pages 26 - 30, XP009551751, ISSN: 1671-4431
Attorney, Agent or Firm:
ACIP LAW OFFICES (CN)
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