国家/地区 中国（4）
IPC部 C（4）
IPC大类 C22（4） C01（2）
IPC小类 C22B（4）
IPC C22B007/00（4）
发明人
公开年 2022（4）
申请年 2021（4）
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

Separating rubidium in salt lake brine by using polyvinyl alcohol/chitosan/graphene/ferrous cyanide nickel copper composition, comprises preparing nano-grade ferrocyanide nickel-copper nano-scale nickel-copper ferrocyanide by ultrasonic assistant coprecipitation and coating.

NI J, HUANG A, MA Z, TANG H, GUO H, HOU Y, LIU H, YUAN D, XU Z, JIN G

Co-producing and recycling uranium in water for repeated and effective utilization, involves using photo-catalysis-electro-oxidation, by adding photocatalyst to uranium-containing waste liquid, and introducing ammonia gas.

JIN J, TANG X, CHEN F, YE Y, QIN Z, WANG Y

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