公开(公告)号：US20230163308A1

公开(公告)日：2023-05-25

申请号：US17920822

申请日：2021-04-23

Applicant: SHENZHEN CAPCHEM TECHNOLOGY CO., LTD.

Inventor： Zhongbo Liu ,  Xiaohu Ao ,  Yonghong Deng ,  Yuanyuan Kang ,  Yunxian Qian

IPC: H01M4/62 ,  H01M4/36 ,  H01M4/38 ,  H01M4/40

CPC classification number: H01M4/628 ,  H01M4/366 ,  H01M4/382 ,  H01M4/405 ,  H01M4/387 ,  H01M4/381 ,  H01M2004/027

Abstract: In order to overcome the problem of metal dendrites caused by uneven deposition on the surface of the existing metal electrode, the present application provides a metal electrode, comprising a metal layer and a coating, the coating comprises at least one block copolymer; the block copolymer comprises a first polymer block for independently conducting metal ions and a second polymer block for providing mechanical strength; a shear modulus of the coating is ≥107 Pa, and a thickness of the coating is 500 nm-50 μm. Meanwhile, the application also discloses a battery comprising the metal electrode. The metal electrode provided by the application has good ionic conductivity and inhibition capability for metal dendrite.