国家/地区 中国（5）
IPC部 C（5）
IPC大类 C01（5）
IPC小类 C01B（5）
IPC C01B032/225（5）
发明人 HUO Y（2） JI Y（2） LEI T（2）
LIU W（2） MIN J（2） PANG Z（2）
WU J（2） ZHANG P（2）
公开年 2018（3） 2019（2）
申请年 2018（5）
专利权人 DATONG XINCH.（2）

Graphene prepared by e.g. contacting graphite with intercalating agent in the presence of ammonia or ammonium salt, contacting with oxidizing agent to oxidize, and recovering.

SHI C, OU E, XU W, ZHANG X, BAO L

Graphite expansion device for preparing graphene, comprises furnace body, feed hopper, discharge pipe and bottom plate, where bottom plate is provided with damping supporting leg, which is provided with wheel, and bottom plate is provided with blower.

ZHAO Y

Preparing graphene slurry comprises e.g. subjecting expandable graphite to high temperature expansion, pulverizing, mixing graphite powder with solvent, treating by high-speed shearing machine and performing ultrasonic treatment.

LI W, YUE X, LUO L

Preparing expandable graphite using graphene oxide or nano carbon powder, comprises e.g. milling graphene oxide powder, nano carbon powder, special graphite powder and graphite flake by grinding device.

MIN J, ZHANG P, PANG Z, WU J, LIU W, JI Y, LEI T, ZHANG Y, HUO Y

Preparing expanded graphite by using graphene composite material comprises taking e.g. graphite powder, squama graphite, and de-ionized water, heating, stirring, filtering, washing, drying, discharging, collecting and controlling.

MIN J, ZHANG P, PANG Z, WU J, LIU W, JI Y, LEI T, HUO Y