Positive electrode materials for lithium ion batteries and process for preparing the same

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United States of America Patent

PATENT NO 9484577
APP PUB NO 20120015250A1
SERIAL NO

13141368

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided are a positive electrode material for lithium ion batteries and a process for preparing the same. The positive electrode material for lithium ion batteries comprises a composite positive electrode material consists of LiCoO2 and an auxiliary positive electrode material, the general formula of the auxiliary positive electrode material is LiCo1-x-yNixMnyO2, wherein 02 is a modified LiCoO2 coated with an Al2O3 film. The overcharge performance of the batteries can be significantly increased and the use amount of the overcharge additive can be reduced by using the positive electrode material so as to its improve the cycle performance of the batteries and improve the anti-overcharge safety in the special applications and the charging conditions.

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Patent Owner(s)

Patent OwnerAddress
SHENZHEN BAK BATTERY CO LTD518119 BEEK INDUSTRIAL PARK KWAI CHUNG STREET LONGGANG DISTRICT GUANGDONG SHENZHEN SHENZHEN CITY GUANGDONG PROVINCE 518119

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
He, Ming Guangdong, CN 105 1003
He, Wei Guangdong, CN 573 3647
Pan, Qiming Guangdong, CN 1 18
Rao, Ruyu Guangdong, CN 1 18
Teng, Xin Guangdong, CN 14 116
Xiao, Bin Guangdong, CN 88 406

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