Positive electrode and lithium-ion battery

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United States of America Patent

PATENT NO 11929483
APP PUB NO 20190267612A1
SERIAL NO

16170020

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Abstract

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The present application provides a positive electrode and a lithium-ion battery. The positive electrode comprises a current collector; a first active material layer comprising a first active material; and a second active material layer; wherein the first active material layer is arranged between the current collector and the second active material layer, the first active material layer comprises a first active material, and the first active material is at least one selected from a group consisting of a modified lithium transition metal oxide positive electrode material and a modified lithium iron phosphate. The positive electrode of the present application helps to improve the thermal stability of the lithium-ion battery, and the improvement of the thermal stability may reduce the proportion of the thermal runaway when the lithium-ion battery is internally short-circuited so that the safety performance of the lithium-ion battery is improved.

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Patent Owner(s)

  • NINGDE AMPEREX TECHNOLOGY LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lin, Chaowang Fujian, CN 12 39
Qu, Changming Fujian, CN 5 1
Su, Yisong Fujian, CN 18 40
Yang, Fan Fujian, CN 713 4044
Zhang, Xiaozhen Fujian, CN 8 8
Zhong, Huawei Fujian, CN 10 38

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