国家/地区 中国（6）
IPC部 C（6）
IPC大类 C22（6） B01（2） C01（2）
C25（2） H01（2）
IPC小类 C22B（6）
IPC C22B007/00（6）
发明人
公开年 2020（3） 2021（3）
申请年 2020（6）
专利权人

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

Graphene composition useful for adsorbing gold ion in gold-containing solution comprises thiourea graphene zeolite.

HSI H, CHEN Y, CHEN T, TSAI C, XI X

Recycling metal in waste circuit board comprises e.g. gradually heating and separating according to metal melting point to obtain gold, palladium, platinum and rhodium powder after placing solid mixture in flexible carbon felt electrolysis.

LAI Z, ZHONG Z, WANG J, ZHANG X, ZHONG Y, LAI Y, CHEN L

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

Enriching and separating gold, platinum and palladium comprises using graphene oxide, platinum and palladium by controlling pH of solution and directly using sunlight.

ZHANG Y, YANG A

Nacreous structure graphene oxide flexible film useful for recovering rhenium, which is graphene in form of sheet, interspersing 1,6-bis(3-vinylimidazolium chloride) hexane and tetrakis(3-mercaptopropionic acid) pentaerythritol ester.

WANG Y, WANG K, LI D, KANG B, CUI J, YU H, LOU Z, XIONG Y