	US 12,482,826 B2
	Metal electrode and battery
Zhongbo Liu, Guangdong (CN); Xiaohu Ao, Guangdong (CN); Yonghong Deng, Guangdong (CN); Yuanyuan Kang, Guangdong (CN); and Yunxian Qian, Guangdong (CN)
Assigned to SHENZHEN CAPCHEM TECHNOLOGY CO., LTD., Shenzhen (CN)
Appl. No. 17/920,822
Filed by SHENZHEN CAPCHEM TECHNOLOGY CO., LTD., Guangdong (CN)
PCT Filed Apr. 23, 2021, PCT No. PCT/CN2021/089304 § 371(c)(1), (2) Date Oct. 24, 2022, PCT Pub. No. WO2021/227832, PCT Pub. Date Nov. 18, 2021.
Claims priority of application No. 202010388689.5 (CN), filed on May 9, 2020.
Prior Publication US 2023/0163308 A1, May 25, 2023
Int. Cl. H01M 4/62 (2006.01); H01M 4/02 (2006.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/40 (2006.01)

CPC H01M 4/628 (2013.01) [H01M 4/366 (2013.01); H01M 4/381 (2013.01); H01M 4/382 (2013.01); H01M 4/387 (2013.01); H01M 4/405 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01)]

13 Claims

1. A metal electrode, comprising a metal layer and a coating, wherein 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 ≥10⁷Pa, and a thickness of the coating is 500 nm-50 μm; and

wherein the first polymer block comprises polycaprolactone; and the second polymer block comprises one or more of at least one repeating unit containing an aryl vinyl group and at least one repeating unit containing an acrylate group.