Binder and lithium ion battery using the same

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United States of America Patent

PATENT NO 9761881
SERIAL NO

15092572

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Abstract

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The present application discloses a binder for a lithium ion battery, which comprises a polymer obtained through emulsion polymerization of a monomer in the presence of a reactive emulsifying agent. The binder is used in fabrication of a lithium ion electrode plate, whereby a thin film formed on the surface of an electrode membrane and fine channels formed in the electrode membrane with the use of a conventional emulsifying agent during the electrode membrane-forming process are eliminated, and the lithium ion conductivity of the electrode membrane is improved. Meanwhile, with the use of the reactive emulsifying agent, the bonding effect of the binder and the stability of the electrode membrane are improved, thereby greatly improving the charging rate and cycle life of the lithium ion battery.

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Patent Owner(s)

Patent OwnerAddress
DONGGUAN AMPEREX TECHNOLOGY LIMITEDNO 1 INDUSTRIAL WEST ROAD SONGSHAN LAKE HIGH-TECH INDUSTRIAL DEVELOPMENT ZONE DONGGUAN GUANGDONG 523000 523000
NINGDE AMPEREX TECHNOLOGY LIMITEDNO 1 XINGANG ROAD ZHANGWAN TOWN JIAOCHENG DISTRICT NINGDE FUJIAN 352100

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gao, Chao Ningde, CN 140 394
Luo, Fuping Ningde, CN 24 109
Shen, Hongguang Ningde, CN 5 42
Wang, Shengwei Ningde, CN 36 124
Zheng, Qiang Ningde, CN 60 644

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