公开(公告)号：US20220140326A1

公开(公告)日：2022-05-05

申请号：US17574193

申请日：2022-01-12

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qiang Ma ,  Haobin Wu ,  Zhengjie Li ,  Yifei Xu ,  Xiang Hong ,  Pinghua Wang

IPC: H01M4/40 ,  H01M4/62 ,  H01M4/04 ,  H01M10/0569

Abstract: Disclosed is a metal anode, including a metal anode body (10) and a protective layer (11) formed on one or two side surfaces of the metal anode body (10). The protective layer (11) includes a coordination polymer having an unsaturated metal site or a complexation product formed by complexation between the coordination polymer having the unsaturated metal site and anions of battery electrolyte salt. The coordination polymer uses zirconium, aluminum, or iron as a center and uses R—Xn as an organic ligand, R is n-valent hydrocarbyl, substituted hydrocarbyl, or hydrocarboxy, n is an integer in a range of 1 to 4, X is an oxygen-containing functional group capable of forming metal-oxygen chemical bond with the metal anode body (10), and the metal-oxygen chemical bond is formed between metal atoms on a surface of the metal anode body (10) and oxygen atoms in the X group.anodeanode.