公开(公告)号：US20230082842A1

公开(公告)日：2023-03-16

申请号：US17664298

申请日：2022-05-20

Applicant: Kunming University of Science and Technology

Inventor： Yingjie Zhang ,  Peng Dong ,  Qi Meng ,  Yannan Zhang ,  Zitong Fei ,  Chenchen Li ,  Lei Liu ,  Jin Yan

IPC: H01M10/54 ,  H01M10/0525 ,  H01M4/525

Abstract: The present disclosure describes a method for repairing a cathode material of a spent lithium-ion battery, which includes: mixing the cathode material of the spent lithium-ion battery, a lithium sheet, a solid oxidant and absolute ethanol under a protective atmosphere for repairing to obtain a repaired cathode material of the lithium-ion battery, where a temperature for the repairing is 20-70° C.; a ratio of the amount of substance of lithium atoms to the total amount of substance of other metal atoms in the cathode material of the spent lithium-ion battery is (0.5-1):1, excluding 1:1.