国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3） C09（2）
IPC小类 C01B（3）
IPC C01B032/192（3）
发明人 ZHANG S（3）
公开年 2020（2）
申请年 2020（2） 
专利权人 SHENZHEN ZHA.（2）

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

Preparing graphene/carbon nanotube composite thermal conductive film having specific in-plane thermal conductivity, and vertical direction thermal conductivity.

ZHANG S, ZENG F, GAO J, ZHANG J, YANG Y, QU Y

Preparing highly ordered and dense graphene thermal conductive film, comprises e.g. mixing reduced graphene oxide powder and nematic liquid crystal graphene oxide, thermally processing reduced graphene oxide/graphene oxide film and rolling.

ZHANG S, ZENG F, GAO J, ZHANG J, YANG Y, QU Y