Patent ID: 11965226
Assignee: NATIONAL YANG MING CHIAO TUNG UNIVERSITY
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B  H  Y | IPC B  C

Claim 0:
1. A method for preparing lithium metal powder, comprising the following steps:
providing a lithium metal material and an ultrasonication solution, wherein the ultrasonication solution comprises a metallic salt comprising lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), lithium bis(fluorosulfonyl)imide (LiFSI) or a combination thereof;
mixing the lithium metal material and the ultrasonication solution to form a mixed solution; and
ultrasonically vibrating the mixed solution to pulverize the lithium metal material into a lithium metal powder, wherein the lithium metal powder is covered by a protective layer, and the lithium metal powder is floated to an upper layer of the mixed solution.