公开(公告)号：US20250096233A1

公开(公告)日：2025-03-20

申请号：US18493718

申请日：2023-10-24

Applicant: NAN YA PLASTICS CORPORATION

Inventor： Te-Chao Liao ,  Chun-Che Tsao ,  Li-Ting Wang

IPC: H01M4/139 ,  H01M4/02

Abstract: A manufacturing method of a lithium battery negative electrode includes the following. A copper foil is providing. An electroplating process is performed to form a lithium deposition layer on the copper foil. An electrolyte solution used in the electroplating process includes an organic solvent and fluorine-containing lithium salt. The organic solvent includes ester solvents, ether solvents, alcohol solvents, or combinations thereof, and the fluorine-containing lithium salt includes LiPF6, LiFSI, LiTF, LiDFOB, LiTFSI, or combinations thereof.