国家/地区 中国（10）
IPC部 C（10）
IPC大类 C22（10）
IPC小类 C22B（10）
IPC C22B007/00（10）
发明人 LI Y（2） YU J（2）
公开年 2022（10）
申请年 2022（6）  2021（4） 
专利权人

Composite film useful in separating and selecting magnesium and lithium in high-magnesium-lithium ratio salt lake brine, comprises ultrafiltration support layer and modified polyamide layer.

LI Z, WANG H, PENG Z, ZHAO Y, LI Y, WANG M

Preparing amino-rich polyacrylonitrile-based nanocomposite fiber film used for removing and recycling gold, involves mixing N,N dimethylformamide dispersion of graphene oxide and the N,N-dimethylformamide solution of hyperbranched polyethyleneimine and performing amidation reaction.

ZHONG X, MENG W, YANG H, SHI X, LI X, LI T, MA Y

Extracting silver from waste solar battery assembly comprises e.g. manually disassembling and separating each component of waste solar panel, performing primary classification and recycling, collecting waste solar silicon plate, heating, removing ethylene-vinyl acetate, and reducing silver ion.

HUANG Q, LI F, YUAN W, HUANG M

Preparing MXene/GO/NbFeB hydrogel used as adsorption-reducing agent, involves forming MXene aqueous solution in aqueous solution, adding graphene oxide into MXene aqueous solution to obtain mixed solution, which further ultrasonically mixed and placed mixture in water bath for multiple hours.

REN J, MA J

Comprehensively recovering and treating ternary power battery material comprises e.g. adding sodium lauryl sulfate into sodium alginate aqueous solution, stirring, adding modified graphene, ball-milling, vacuum smelting, preparing aluminum foil melt, and mixing sulfuric acid and lithium sulfate.

GAO Z, DUAN Y, YANG X

Recycling processing of waste lead paste of lead-acid battery applied to e.g. automobile application, involves uniformly coating obtained slurry on negative electrode in inert atmosphere, carrying out electrolytic reaction with solution as electrolyte solution, and obtaining metal lead.

RAO Y, FU F, HUANG Y, WU L, ZHOU S, ZHANG J, LI J, YU J, CAO J

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