公开(公告)号：US20230282813A1

公开(公告)日：2023-09-07

申请号：US18197108

申请日：2023-05-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Bin YAO ,  Ying HUANG ,  Ruiying SHI ,  Jiang LIU ,  Xuefang CHEN

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/66 ,  H01M4/58 ,  H01M4/583

CPC classification number: H01M4/366 ,  H01M10/0525 ,  H01M4/624 ,  H01M4/663 ,  H01M4/5825 ,  H01M4/583 ,  H01M2220/20 ,  H01M2004/027

Abstract: An electrode assembly may comprise a positive electrode plate and a negative electrode plate, wherein a positive electrode active material layer of the positive electrode plate may comprise a positive electrode active material and a quinone compound; and a negative electrode active material layer of the negative electrode plate may comprise 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 % may be 0.5% to 3%; the capacity per gram of the quinone compound may be CapC; the capacity per gram of the positive electrode active material may be Cap; and based on the mass of the negative electrode active material layer, the mass content of the conductive polymer material may be mA %, satisfying the relationship of:




0.2
≤




Cap
C

-
Cap

Cap

×

m
C

/

m
A


≤
5.