公开(公告)号：US20240372100A1

公开(公告)日：2024-11-07

申请号：US18775460

申请日：2024-07-17

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Shuhua CHEN ,  Huihui LIU ,  Xinghui WANG ,  Wenmeng ZHANG

IPC: H01M4/62 ,  H01M4/02

Abstract: The present application relates to a binder, a binder composition, a preparation method, a negative electrode slurry, a negative electrode plate, a secondary battery, a battery module, a battery pack and an electrical apparatus. The binder here comprises: an inner core material having a glass transition temperature of −50° C. to 0° C., and a shell layer material located on at least part of the surface of the inner core material and having a glass transition temperature of 60° C. to 100° C.

公开(公告)号：US20240076531A1

公开(公告)日：2024-03-07

申请号：US18384650

申请日：2023-10-27

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Liya ZHAO ,  Huihui LIU ,  Long WANG

IPC: C09J135/06 ,  H01M4/66

CPC classification number: C09J135/06 ,  H01M4/663 ,  H01M4/667 ,  C08F222/06

Abstract: A primer adhesive for a dry electrode includes following components in parts by mass: 30-70 parts of a modified polyolefin resin and 10-60 parts of a conductive material, where the modified polyolefin resin is a copolymer formed by polymerization of maleic anhydride, polyolefin, and a petroleum resin.

公开(公告)号：US20230420680A1

公开(公告)日：2023-12-28

申请号：US18243118

申请日：2023-09-07

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lianwei DUAN ,  Huihui LIU

IPC: H01M4/62 ,  H01M4/58

CPC classification number: H01M4/622 ,  H01M4/5825 ,  H01M2004/028

Abstract: The present application provides a binder and a preparation method therefor, a secondary battery, a battery module, a battery pack and a power consuming device. The binder may comprise a copolymer C, and the copolymer C may comprise a structural unit derived from a monomer containing a cyano group, a structural unit derived from a monomer containing an ester group, and a structural unit derived from a monomer containing a group shown in formula I, in which n is selected from 0, 1, 2, or 3:

公开(公告)号：US20230361272A1

公开(公告)日：2023-11-09

申请号：US18354610

申请日：2023-07-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Lingyun FENG ,  Huihui LIU ,  Yanhuang FAN ,  Wei FENG

IPC: H01M4/136 ,  H01M4/58 ,  H01M4/36 ,  H01M4/62

CPC classification number: H01M4/136 ,  H01M4/5825 ,  H01M4/366 ,  H01M4/622 ,  H01M4/625 ,  H01M2004/021

Abstract: A positive electrode plate includes a positive electrode current collector, a positive electrode film layer provided on at least one surface of the positive electrode current collector, and a conductive undercoat layer between the positive electrode current collector and the positive electrode film layer. The positive electrode film layer includes a positive electrode active material having a chemical formula of LiaAxMn1-yByP1-zCzO4-nDn, and the conductive primer layer includes a first polymer, a first water-based binder and a first conductive agent.

公开(公告)号：US20180287198A1

公开(公告)日：2018-10-04

申请号：US15918866

申请日：2018-03-12

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Huihui LIU ,  Jirong Li ,  Chao Guo ,  Jialong Wu ,  Kang Wang

IPC: H01M10/0525 ,  H01M4/62 ,  H01M4/525 ,  H01M4/66 ,  H01M4/505 ,  C08L9/02 ,  C08L33/24 ,  C08L33/06

CPC classification number: H01M10/0525 ,  C08L9/02 ,  C08L33/06 ,  C08L33/24 ,  C08L2203/20 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M4/622 ,  H01M4/625 ,  H01M4/661 ,  H01M2004/027 ,  H01M2004/028

Abstract: The present disclosure provides an anode electrode slurry suspending agent, an anode electrode plate and an energy storage device, the anode electrode slurry suspending agent has a structural formula composed of a main chain containing carbon and a side chain, the side chain comprises a first side chain R1 and a second side chain R2; the first side chain R1 contains —R11—CONH2, the second side chain R2 contains —(C═O)OR21 or —O(C═O)R22, the anode electrode slurry suspending agent can significantly improve coating speed of the anode electrode slurry and can ensure that there is no drying-cracking phenomenon of the anode electrode film at the same time, thereby improving productivity and quality rate of coating process of the anode electrode plate and in turn significantly improving production capacity of the energy storage device.