公开(公告)号：US20240290973A1

公开(公告)日：2024-08-29

申请号：US18658950

申请日：2024-05-08

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Ying Huang ,  Bin Yao ,  Hong Wang ,  Jiang Liu ,  Zhen Liu

IPC: H01M4/583 ,  H01M4/36 ,  H01M10/0525 ,  H01M10/0569

CPC classification number: H01M4/5835 ,  H01M4/366 ,  H01M10/0525 ,  H01M10/0569

Abstract: Provided are an electrode plate, a lithium-ion battery, a battery module, a battery pack, and an electric device. The electrode plates provided in the present disclosure include a current collector and an active substance layer disposed on at least one surface of the current collector, wherein the active substance layer includes a surfactant lithium salt.

公开(公告)号：US20240204356A1

公开(公告)日：2024-06-20

申请号：US18589448

申请日：2024-02-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Ze Wu ,  Jiang Liu ,  Jiao Cao ,  Bin Yao ,  Limei Yang ,  Heyang Liu

IPC: H01M50/451 ,  H01M10/052 ,  H01M10/0567 ,  H01M50/411 ,  H01M50/431

CPC classification number: H01M50/451 ,  H01M10/052 ,  H01M10/0567 ,  H01M50/411 ,  H01M50/431

Abstract: Provided is a composite separator for a secondary battery and a secondary battery including the composite separator. The composite separator is characterized by comprising a substrate and a solid organic additive layer provided on at least one surface of the substrate, the solid organic additive layer comprising an organic additive for an electrolyte solution. Additives can be added to the electrolyte solution through the composite separator for a secondary battery of the present application, which can improve the cycle life and safety performance of the battery.

公开(公告)号：US11791460B2

公开(公告)日：2023-10-17

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 ,  H01M4/583 ,  H01M4/58 ,  H01M4/02

CPC classification number: H01M4/366 ,  H01M4/583 ,  H01M4/5825 ,  H01M4/624 ,  H01M4/663 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2220/20

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

≤




C
⁢
a
⁢

p
C


-
Cap

Cap

×


m
C

/

m
A



≤

5
.