国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/184（3） C01B032/19（2） C09K005/14（2）
发明人 WANG J（4）
公开年 2023（4）
申请年 2022（4）
专利权人 SHANGHAI NAT.（2）

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

Preparation of graphene-coated glass micro-powder used as phase change heat absorber, involves dispersing oxidized graphene in pure water, adding glass micro-powder, stirring, adding ammonium bifluoride solution, reacting, reducing oxidized graphene, washing generated gel, and drying.

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

Preparing self-supporting three-dimensional graphene framework used in field of heat dissipation, comprises e.g. adding metal foam to graphene oxide solution, coating polymethyl methacrylate on graphene skeleton-metal foam, removing metal foam and polymethyl methacrylate, cleaning and freeze-drying.

ZHANG J, SUN S, WANG J, ZHAO Y

Preparation of graphene superconducting film for electronic component, involves soaking graphene oxide film in solution for liquid phase reduction, drying and heat-treating, where heat treatment includes low-temperature heat treatment, high-temperature heat treatment and graphitization treatment.

WANG J, HUANG W, GUO W, LIU Z, CAI J