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Title:
LITHIUM-ION BATTERY ADDITIVE, BATTERY CONTAINING ADDITIVE, AND PREPARATION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/024095
Kind Code:
A1
Abstract:
A lithium-ion battery additive, a battery containing the additive and a preparation method, which relate to the field of lithium-ion batteries. The lithium-ion battery additive is a polyvinylpyrrolidone compound, and is selected from at least one of compounds represented by formula I. By adding the lithium-ion battery additive into an electrolyte, an electrode material can be effectively wetted, and the reversible capacity of a battery can be improved. A nitrogen element in the polyvinylpyrrolidone compound can effectively capture transition metal ions dissolved out of a positive pole and an acid produced in electrolyte decomposition and prevent an SEI membrane from being destroyed.

Inventors:
WANG, Ke (No. 1 Xingang Road, Zhangwan Town Jiaocheng Distric, Ningde Fujian 0, 352100, CN)
SHI, Songjun (No. 1 Xingang Road, Zhangwan Town Jiaocheng Distric, Ningde Fujian 0, 352100, CN)
XIE, Lan (No. 1 Xingang Road, Zhangwan Town Jiaocheng Distric, Ningde Fujian 0, 352100, CN)
WANG, Yaohui (No. 1 Xingang Road, Zhangwan Town Jiaocheng Distric, Ningde Fujian 0, 352100, CN)
Application Number:
CN2017/093169
Publication Date:
February 08, 2018
Filing Date:
July 17, 2017
Export Citation:
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Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED (No. 1 Xingang Road, Zhangwan Town Jiaocheng Distric, Ningde Fujian 0, 352100, CN)
International Classes:
H01M10/056
Attorney, Agent or Firm:
UNI-INTEL PATENT AND TRADEMARK LAW FIRM (Room 603, Zhongkun PlazaNo. 59 Gaoliangqiao,Xiejie, Haidian District, Beijing 4, 100044, CN)
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