国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC C01B032/19（4）
发明人 WANG Z（4） YIN J（3） ZHAO C（3）
MENG J（2）
公开年 2017（2）
申请年 2016（2） 
专利权人 UNIV HEILONGJIANG SCI TECHNOLOGY（4）

Preparing graphene heat-dissipation composite material by mixing graphite powder and nano-silicon dioxide, adding to absolute ethanol solution, dispersing and mixing, heat-preserving, starting to release pressure, performing supercooling treatment, freeze-drying, sheet forming, heating and sintering.

WANG Z, YIN J, WANG H

Fretting wear device for preparing graphene, comprises motor, diamond fine powder, four roller assemblies two planet gear mechanism, two planetary gear mechanisms set oppositely, two planetary gear mechanisms with four roller assemblies.

WANG Z, ZHAO C, MENG J

Preparing quickly small size graphene comprises e.g. preparing expanded graphite, providing natural crystalline flake graphite as raw material, using chemical intercalation expansion, and preparing to obtain high expansion graphite.

WANG Z, ZHAO C, MENG J, YIN J

Device for continuously preparing graphene, comprises a bracket for fixing a cooling groove and a cooling tank having a lower end provided with a drain pipe, where a graphite paper is transmitted by a carrier roller.

WANG Z, ZHAO C, YIN J