国家/地区 中国（4） 美国（4） 世界知识产权组织（4） 欧洲专利局（EPO）（2） 日本（2） 韩国（2）
IPC部 B（5）
IPC大类 B01（5）
IPC小类 B01J（5）
IPC C01B031/04（5）
发明人
公开年 2015（5）
申请年 2015（4） 
专利权人

Preparation of sulfonated graphene used for e.g. transparent electroconductive electrode and thermal conductive material, involves contacting reaction medium containing oxidative sulfonating agent with organic material, and heating.

HAO J, JIANG Y, LI J

Porous graphene used in e.g. adsorption applications, is prepared by providing graphene sheet having thickness and lateral dimension of preset range, and distributed pores having size of preset range on surface of graphene sheet.

LI X, SUN R, WANG X, YE W, CHEN W

Sponge like nanomaterial obtained from graphene oxide by sonicating graphene oxide in deionized water solution and freezing, used e.g. as supercapacitor, in construction of lithium battery and separating oil from water.

CHIU G, YU A

Preparing composite mesoporous material, used as electromagnetic wave absorbing material, comprises e.g. preparing graphite powder, surface-treated graphite oxide, and graphene, ferroferric oxide or polyaniline nano-composite material.

FENG Y

Graphite-type carbon raw material used as graphene precursor, has rhombohedral system graphite layer and hexagonal system graphite layer in ratio more than preset value, as measured using peak intensities specific planes of layers.

HASEGAWA S, KAMIYA N, SHOJI H, NAGISA K, HASEGAWA SHOJI, KAMIYA NAGISA, SHEN Y