国家/地区 中国（2）
IPC部 C（2）
IPC大类 C22（2）
IPC小类 C22B（2）
IPC C22B007/00（2）
发明人 ZHANG X（2）
公开年
申请年
专利权人

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

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