国家/地区 中国（4）
IPC部 B（4）
IPC大类 C01（4） B82（2） C09（2）
IPC小类 C01B（4）
IPC C01B032/19（3） B82Y030/00（2） C01B032/184（2）
C09K011/65（2）
发明人 LU Y（4）
公开年 2023（4）
申请年 2022（4）
专利权人 SHANGHAI NAT.（3）

Preparing graphene quantum dot based on heterogeneous catalyst, comprises e.g. dispersing manganese dioxide particles in water, adding hydrogen peroxide and neutral graphene oxide solution into reaction solution, then adding hydrochloric acid and hydrogen peroxide, and post-processing.

WANG J, LU Y, GE M, ZHANG F, CUI D

Amine-based modification of graphene quantum dots involves dispersing graphene quantum dots containing carboxyl group in water, heating, converting carboxyl group on surface of quantum dots into primary amide group, dispersing obtained solid in water, stirring, and dialyzing obtained solution.

WANG J, LU Y, GE M, ZHANG F, CUI D

Preparing graphene quantum dot involves modifying first graphene oxide, cutting into graphene quantum dot, dispersing graphene oxide into aqueous dispersion, adding ammonia water to dispersion to neutralize its acidity, and additionally adding ammonium chloride solution as an amine source.

GE M, LU Y, ZHANG F, CUI D

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