Title:
LITHIUM-ION BATTERY POSITIVE ELECTRODE PLATE, AND LITHIUM-ION BATTERY AND ELECTRIC DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/230985
Kind Code:
A1
Abstract:
Provided in the present application is a lithium-ion battery positive electrode plate, comprising a positive electrode current collector and a positive electrode film layer arranged on at least one surface of the positive electrode current collector, wherein the positive electrode film layer comprises a positive electrode active material mixture composed of the following substances: first positive electrode active material polycrystalline particles having a particle size of 11.0-20.0 μm, second positive electrode active material polycrystalline particles having a particle size of 6.0-10.5 μm, and third positive electrode active material single-crystal particles having a particle size of 1.1-5.2 μm, wherein the number of the first positive electrode active material polycrystalline particles is a, the number of the second positive electrode active material polycrystalline particles is b, the number of the third positive electrode active material single-crystal particles is c, and (a+b) : c is in the range of 5.7 : 4.3 to 7.7: 2.3. Further provided in the present application are a lithium-ion battery, a battery module, a battery pack and an electric device comprising the positive electrode plate.
Inventors:
SHEN CHONGHENG (CN)
HUAN SHUXING (CN)
LUO DONGSHENG (CN)
WANG BANGRUN (CN)
WU QI (CN)
CHEN QIANG (CN)
LIU NA (CN)
HUAN SHUXING (CN)
LUO DONGSHENG (CN)
WANG BANGRUN (CN)
WU QI (CN)
CHEN QIANG (CN)
LIU NA (CN)
Application Number:
PCT/CN2022/096833
Publication Date:
December 07, 2023
Filing Date:
June 02, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M4/36; H01M4/505; H01M4/525
Foreign References:
| CN108431998A | 2018-08-21 | |||
| CN111384372A | 2020-07-07 | |||
| CN102447107A | 2012-05-09 | |||
| CN113921782A | 2022-01-11 | |||
| CN110098403A | 2019-08-06 | |||
| US20070099087A1 | 2007-05-03 |
Attorney, Agent or Firm:
PEKSUNG INTELLECTUAL PROPERTY LTD. (CN)
Download PDF: