国家/地区 中国（9） 韩国（3） 欧洲专利局（EPO）（2） 美国（2） 世界知识产权组织（2）
IPC部 C（10）
IPC大类 C01（10）
IPC小类 C22B（10）
IPC C22B007/00（10）
发明人 WANG J（2） WANG J P（2）
公开年 2023（3） 2021（2） 2022（2）
申请年 2021（5）  2020（2） 
专利权人 UNIV PUKYONG.（2）

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

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

Recycling waste lithium iron phosphate battery used as raw material for preparing lithium iron phosphate anode active material, comprises e.g. mixing phosphorus source, acid and oxidant with impurity removing lixivium, mixing soluble carbonate with filtrate, and filtering.

ZHANG X, FANG X, LI Y, TIAN J, DU J

Method for simultaneously recycling positive and negative electrodes of lithium-ion batteries using multi-layer electrode structure, involves sandwiching conductive acid-resistant material with negative electrode material of lithium ion battery as anode of electrode system.

YU J, KONG J, GU S

Recovering metal from metal-containing material by leaching, by treating aqueous solution with external energy, reacting leaching agent precursor with formed hydrogen peroxide, and reacting metal-containing material with leaching solution.

RINNE T

Recovering lithium precursor by preparing cathode active material mixture containing lithium composite oxide, forming pre-precursor mixture including lithium oxide by reacting cathode active material mixture and separating by washing.

HONG S J, KIM J M, SON S R, HA D W, HONGSEOKJOON, KIM J, SOHN S, HE D, SUN C, HONG X

Recovering lithium from graphite negative electrodes of waste lithium ion batteries and preparing porous graphene involves disassembling waste lithium ion battery to obtain graphite negative electrode sheet.

XU J, ZHANG J, LEI Y, XIAO F, WU Z

Producing graphene hub by using fly ash carbon dioxide comprises e.g. extracting alumina, titania and magnesia from fly ash, capturing the carbon dioxide from metallurgical, coal chemical or power plant, calcining and hot-melting graphene.

CHENG L, LIU X, XIANG Y, LIU H

Preparation of aminated aromatized graphene by dissolving nickel acetate in ammonium hydroxide, adding to mixed liquid of acetylene tail gas higher-hydrocarbon polymer in alcohol solvent, reacting, diluting, filtering and extracting.

LI X