国家/地区 中国（34）
IPC部 C（34）
IPC大类 C01（34）
IPC小类 H01M（34） C01B（30） C01G（7）
C01D（6） C22B（6）
IPC H01M010/54（34）
发明人 LI H（4） LI J（4） WANG Y（4）
ZHANG J（4） LI L（3） WANG J（3）
WANG W（3） XU J（3） ZHANG Z（3）
CHEN M（2） CHEN Y（2） LEI Y（2）
LI Q（2） LI X（2） LIU Q（2）
公开年 2022（11） 2021（8） 2023（8） 2019（2） 2020（2）
申请年 2022（12）  2021（10）  2020（4）  2019（3）  2023（2） 
专利权人 CHUNENG NEW .（2） UNIV HENAN N.（2） UNIV PUKYONG.（2） UNIV SOUTH C.（2）
YIN H（2）

Preparing doped perforated graphene based on waste battery cathode graphite useful in energy storage, comprises using waste lithium ion battery cathode graphite as carbon source to prepare doped perforated graphene oxide and adding into tube furnace and rapidly heating and reducing graphene oxide.

MEI Y, HOU M, CHEN T, LUO G, LU X, LIAN P

Method for preparing graphene by using graphite negative electrode recycled waste lithium, involves using vacuum filtering device to clean electrolytic liquid after electrolytic peeling, freezing and drying graphene processed solution, and sieving powder to prepare finished product graphene.

ZHANG S, ZHANG Z, YANG Q, LIU Q, LIU L, ZHAO H, HU L

Selectively recovering lithium from lithium manganese iron phosphate, comprises reacting lithium manganese iron phosphate powder with sulfuric acid solution.

WANG J, WANG J P

Selectively recycling lithium from lithium iron phosphate comprises reacting lithium iron phosphate powder with sulfuric acid solution.

WANG J, WANG J P

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

Recycling lithium/sodium ion battery anode material production waste liquid used as anode material in sodium ion battery, comprises adding dilute sulfuric acid into production waste liquid, adding antioxidant to inhibit oxidation of ferrous ions, spray granulating and performing heat treatment.

ZHU H, CUI G

Waste lithium-ion battery recycling method based on selective enhanced crushing method, involves extracting metal and its maintenance by supercritical fluid/subcritical fluid, and using supercritical fluid/subcritical fluid extraction in situ preparation graphene from anode material.

SHI H, LU Y

Comprehensive resource recovery and reuse of titanium dioxide by-product ferrous sulfate and waste graphite cathode materials, comprises e.g. mixing titanium dioxide by-product ferrous sulfate and waste graphite cathode material with high-molecular organic matter and calcining.

LI Q, LI J, WU C, HAO X, LI L, CHEN M, QI J, SHEN X, SHANGGUAN E

Resource recycling of waste lithium manganate cathode material used for preparing alkaline secondary battery positive electrode with excellent cycle performance, involves using recycled waste lithium manganese oxide as raw material, obtaining manganese-based material after acid leaching.

LI Q, WU C, LI L, CHEN M, YANG X, YANG R, LI H, LIU Q, SHANGGUAN E