US 11,791,460 B2
Electrode assembly, secondary battery, battery module, battery pack and power consuming device
Bin Yao, Fujian (CN); Ying Huang, Fujian (CN); Ruiying Shi, Fujian (CN); Jiang Liu, Fujian (CN); and Xuefang Chen, Fujian (CN)
Assigned to CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde (CN)
Filed by CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Fujian (CN)
Filed on May 15, 2023, as Appl. No. 18/197,108.
Application 18/197,108 is a continuation of application No. PCT/CN2021/132493, filed on Nov. 23, 2021.
Prior Publication US 2023/0282813 A1, Sep. 7, 2023
Int. Cl. H01M 4/36 (2006.01); H01M 10/0525 (2010.01); H01M 4/62 (2006.01); H01M 4/66 (2006.01); H01M 4/583 (2010.01); H01M 4/58 (2010.01); H01M 4/02 (2006.01)
CPC H01M 4/366 (2013.01) [H01M 4/583 (2013.01); H01M 4/5825 (2013.01); H01M 4/624 (2013.01); H01M 4/663 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An electrode assembly, comprising a positive electrode plate and a negative electrode plate,
wherein the positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer provided on at least one surface of the positive electrode current collector, the positive electrode active material layer comprising a positive electrode active material and a quinone compound;
the negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer provided on at least one surface of the negative electrode current collector, the negative electrode active material layer comprising a negative electrode active material and a conductive polymer material;
wherein based on the mass of the positive electrode active material layer, the mass content of the quinone compound mc % is 0.5% to 3%; the capacity per gram of the quinone compound is Capc; the capacity per gram of the positive electrode active material is Cap;
and based on the mass of the negative electrode active material layer, the mass content of the conductive polymer material is mA %, satisfying the relationship of:

OG Complex Work Unit Math