国家/地区 中国（6）
IPC部 C（6）
IPC大类 C01（6） B82（2）
IPC小类 C01B（6）
IPC C01B031/04（6） B82Y030/00（2）
发明人 ZHAO J（6）
公开年 2012（3） 2013（2）
申请年 2012（6）
专利权人

Preparation of graphene involves adding concentrated sulfuric acid, persulfate and hydrogen peroxide to natural crystalline flake graphite of different sizes, mixing, cleaning formed aggregate, drying and dispersing in organic solvent.

XUE Q, ZHAO J, XIAO P, YAN X

Preparation of graphene/cobalt ferrite/polyaniline composite wave-absorbing material used in microwave absorption and electromagnetic shielding, by subjecting prepared graphene, cobalt ferrite and aniline monomer into in-situ polymerization.

XIE Y, LING Y, ZHU W, LIU J, ZHANG K, YU Y, LAI Q, ZHAO J, SHI L, YAN S

Use of friction carbon nanotube material to prepare graphene film by adding purified multi-wall carbon nanotube powder into graphite mold, discharge plasma sintering, heat pressing, adhering load, and heat pressing with ground glass.

ZHANG Z, ZHENG H, YANG S, ZHAO J, CHEN J

Making three-dimensional graphene-carbon nitrogen nanotube composite material involves putting foam nickel in furnace followed by feeding carbon source, soaking in catalyst solution, heating, feeding carbon source, and then cooling.

DONG X, HE Z, HUANG W, MA Y, SUN L, ZHAO J, XIONG C, ZHU G

Preparing graphene, comprises mixing crystalline flake graphite powder with ionic liquid at a room temperature, and grinding the obtained crystalline flake graphite powder-ionic liquid mixture to obtain mixture containing graphene.

CHEN J, QU K, MA S, ZHAO J, ZHANG X

Application of limestone used to prepare graphene, comprises mixing and grinding mixed powder of calcium carbonate and metal magnesium powder, putting in high temperature furnace, and reacting with hydrogen ion.

WANG W, ZHANG G, ZHAO J