国家/地区 中国（9）
IPC部 C（9）
IPC大类 C01（9） H01（5）
IPC小类 C01D（9）
IPC H01M010/0525（5） C01D015/00（4） H01M004/587（3）
C01B032/215（2） H01M004/48（2） H01M004/505（2）
H01M004/525（2） H01M010/0563（2） H01M010/54（2）
发明人 WANG W（3） CAO A（2） GONG W（2）
HOU S（2） LI P（2） LIU T（2）
SONG X（2） YIN H（2）
公开年 2022（5） 2023（4）
申请年 2022（9）
专利权人 SHANDONG JIN.（2） YIN H（2）

Zero-discharge treatment method for full resource utilization of waste acid in graphene production by e.g. adjusting supernatant pH to neutral by adding sulfuric acid, evaporating and concentrating by mechanical vapor recompression, crystallizing to obtain potassium sulfate, recycling water.

FENG X, FENG J, XIAO L, FENG S

Preparing liquid lithium hexafluorophosphate in electrolyte of lithium-ion battery, comprises passing phosphorus trichloride, hydrogen fluoride and chlorine gas into reactor, contacting primary phosphorus pentafluoride with chlorine-modified carbon material and dissolving lithium fluoride in solvent.

YI Y, TAN S, XIANG S

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

Lithium/silicon/carbon composite cathode useful in lithium ion battery comprises composite of ultra-thin lithium with lithium hexafluorophosphate on surface in situ and substrate infiltrated with oxygen heterocyclic monomer solution through in situ polymerization.

XIN S, YIN Y, WANG W, GUO Y

Recycling carbon dioxide and producing lithium carbonate from industrial kiln exhaust gas, involves passing industrial kiln exhaust gas through cyclone to remove particulate matter and subjecting to denitration and desulfurization treatment.

GU W, LI Q, SHA Y, ZHANG L, WANG X, WANG H, GE J, CUI Q, LI N

Preparing lithium-ion battery additive for lithium-ion battery involves adding urea solution into suspension, centrifuging, drying, adding aqueous polyvinylpyrrolidone K40, dissolving, cooling, heating, mixing composite under inert atmosphere with stabilized lithium metal powder and sintering.

TONG S, YU X, XU D, GUO P, ZHANG R, ZHOU C, LIU H

Resource utilization method of phosphoric acid-contains waste sulfuric acid liquid used for preparing graphene oxide, involves detecting phosphate content, sulfate content in phosphate, adding acidic solution, and stirring fully.

LI P, GONG W, CAO A, WANG W, HOU S, SONG X, LIU T

Comprehensively treating graphene oxide waste acid involves filtering and removing impurities in graphene oxide waste acid, neutralizing, precipitating, separating solid and liquid, concentrating mixture, crystallizing, melting mixture of potassium sulfate and magnesium sulfate and cooling.

LI P, GONG W, CAO A, WANG W, HOU S, SONG X, LIU T