国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4） C09（4）
IPC小类 C01B（4）
IPC C09K005/14（4）
发明人 WANG J（4）
公开年 2022（2） 2023（2）
申请年 2022（4） 
专利权人 SHANDONG HAI.（2）

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

Preparing low oxygen, high stripping graphene oxide useful in preparation of graphene heat-conducting film, comprises e.g. homogenizing and suction filtering dispersion liquid, separating concentrated sulfuric acid in reaction material, washing and filtering solid material.

ZHANG C, LI C, WANG J, YU X, ZHANG S

Preparing graphene oxide by recycling concentrated sulfuric acid comprises mixing flake graphite and concentrated sulfuric acid, performing ultrasonic treatment, performing solid-liquid separation on reaction material to obtain recovered concentrated sulfuric acid and solid material, homogenizing.

ZHANG C, LI C, WANG J, YU X, ZHANG S