国家/地区 中国（7） 世界知识产权组织（2）
IPC部 B（9）
IPC大类 C22（9）
IPC小类 C22B（9）
IPC C22B026/12（9）
发明人 DONG M（2） LI J（2） LIU Z（2）
WU Z（2）
公开年 2021（3） 2022（3） 2023（2）
申请年 2022（5）  2020（2） 
专利权人 QINGHAI INST.（3）

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

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

Preparing carbon-based lithium adsorption electrode for liquid lithium resource extraction comprises adding the lithium ion sieve adsorption powder, conductive filler and carbon precursor into polymer solution, mixing, coating on electrode supporting material and drying.

WU Z, NIE G, YE X, LIU Z, LUO Q, LIU H, LI J, DONG M

Preparation of lithium ion sieve adsorbent particles for extracting liquid lithium resources, involves mixing adsorption powder and polymer, soaking mixture in crosslinking agent, drying, and soaking dried particles in crosslinking agent.

WU Z, GE F, HUO Y, QIAN Z, LIU Z, LI J, DONG M

Extracting lithium from aqueous lithium source, comprises removing dissolved calcium ions and/or dissolved magnesium ions by nanofiltration, removing water by reverse osmosis, and electrochemically extracting dissolved lithium ions.

ALYOUSEF Y M, ALRASHEED R, AL JILIL S, HIPPAUF F, ABENDROTH T, ALTHUES H, KASKEL S

Separation of lithium chloride solution used for e.g. lithium ion batteries, involves passing brine to perforated graphene sheet which is proportioned so as to allow passage of water, while retaining residue of lithium chloride.

REED C J