国家/地区 中国（23）
IPC部 C（23）
IPC大类 C22（23） C01（9） H01（9）
B01（6） C02（4） C25（2）
IPC小类 C22B（23）
IPC C22B026/12（23）
发明人 HE L（4） XU W（4） ZHAO Z（4）
LIU X（3） WANG J（3） WU Z（3）
DONG M（2） GU S（2） LI J（2）
LI Y（2） LIU Z（2） WANG J P（2）
YU J（2） ZHANG J（2）
公开年 2021（9） 2023（7） 2022（5）
申请年 2021（11）  2022（8）  2020（3） 
专利权人 UNIV CENT SO.（4） QINGHAI INST.（3） UNIV EAST CH.（3） UNIV PUKYONG.（2）

Preparing composite structure hydrophilic membrane electrode with composite structure comprises e.g. mixing lithium carbonate and titanium dioxide, calcining, modifying, mixing tannic acid modified active electrode material with solvent, coating on titanium plate, and drying.

DUAN X, ZHANG J, XIANG X

Extracting lithium from salt lake brine comprises using electrodialysis device and lead as anode, completing after reaction, turning over positive and negative poles, keeping mixed solution of sulfate and chloride in cathode chamber unchanged, and recovering lithium-intercalated ion sieve.

LIU X, ZHAO Z, XU W, HE L

Electrode to extract lithium from salt lake, comprises conductive substrate and coating layer arranged on surface of conductive substrate, where coating layer has porous structure and porous structure is formed by decomposition of amodimethicone-coated pore former.

LI C, XIE Y, YU H, LI A

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

Selectively extracting lithium by extracting and leaching resin comprises e.g. mixing porous material, trioctylphosphine oxide and organic solvent, carrying out lithium-ion adsorption with trioctylphosphine oxide extraction resin and lithium-containing solution, and desorbing extraction resin.

GU X, GUO W, SUN S

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

Preparing ion imprinted material useful for adsorbing lithium-ion, comprises e.g. grafting amino groups on graphene oxide silica gel, performing double bond modification, placing phosphate-based graphene oxide silica gel in lithium ion solution to graft lithium ions, and polymerizing.

ZHENG Y, XING E, DING T, ZHENG M

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

Method for pore-forming of manganese-based ion sieve electrically controlled lithium extraction membrane electrode, comprises e.g. mixing manganese ion sieve, binder, conductive agent and organic solvent to obtain membrane casting solution and adding organic pore-forming agent.

YU J, WANG Y, GU S