国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3） C01D（2） H01M（2）
IPC C01B032/215（3）
发明人 YIN H（2）
公开年 2023（3）
申请年 2022（2） 
专利权人 YIN H（2）

Removing metal impurities in carbon material involves performing heat treatment, mixing carbon material and metal salt, and sequentially washing heat-treated mixture with acid and washing with water to obtain purified carbon material.

ZHU S, LI Y

Plasma repairing 622 type ternary lithium battery cathode graphite involves disassembling waste 622-type lithium battery, connecting compacted waste anode and cathode, eluting electrolyte component with methanol, washing various lithium salts, rectifying electrolyte solution, evaporating and drying.

YIN H

Method for repairing 523-type ternary lithium battery positive electrode plasma by plasma, involves disassembling waste 523 type ternaries to obtain battery waste positive electrode and waste graphite negative electrode, followed by filling with sodium hydroxide-lithium nitrate mixture.

YIN H