国家/地区 加拿大（4）
IPC部 C（4）
IPC大类 C01（4） H01（3） B01（2）
B29（2） B33（2） B82（2）
C04（2） C08（2） C09（2）
C10（2） H05（2）
IPC小类 C01B（4）
IPC C01B032/19（4）
发明人 HASEGAWA S（2） HASEGAWA SHOJI（2） KAMIYA N（2）
KAMIYA NAGISA（2） NAGISA K（2） SHEN Y（2）
SHOJI H（2）
公开年 2015（2） 2021（2）
申请年 2020（2） 
专利权人 GRAPHENE PLA.（2） GRAPHENE PLA.（2）

Preparation of nitrogen-doped graphene used as supercapacitor material, involves ultrasonically, mechanically and/or thermally treating fluorinated graphite dispersion, contacting azide reagent, and dialyzing obtained product against water.

OTYEPKA M, BAKANDRITSOS A, SEDAJOVA V, JAKUBEC P

Exfoliating graphene flakes from graphite sample by compressing a graphite sample in an electrochemical reactor, and applying a voltage between the graphite sample and an electrode in the electrochemical cell.

ROSCHER S

Graphite-based carbon material used as graphene precursor for preparing graphene dispersion, comprises rhombohedral graphite layer and hexagonal graphite layer, and has specified rate calculated based on X-ray diffraction method.

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