国家/地区 日本（3） 台湾（3） 世界知识产权组织（3） 中国（2） 欧洲专利局（EPO）（2） 韩国（2） 美国（2）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 C01B（3）
IPC C01B032/15（3）
发明人
公开年 2015（2）
申请年 2014（2） 
专利权人

Carbon-based composite used in composition for oxygen reduction catalyst ink used in electrode, comprises nanosheet-like graphene oxide or its reduced product, and carbon quantum dots.

NAKAGAWA N, ISHITOBI H, TANAKA Y, OTSUKA Y, NOBUYOSHI N, HIROKAZU I, YUUKI T, YOSHIHIRO O

Production of graphene involves applying physical force to liquid dispersion of dispersing agent containing polyaromatic hydrocarbon oxide, and carbon-based material comprising graphite, and forming graphite into nano graphene flakes.

SOHN K N, YOO K H, KWON W J, LEE K S, YANG S B, KIM I Y, LEE M J, LEE J Y, SOHN K, YOO K, KWON W, LEE K, YANG S, KIM I, LEE M, LEE J, LI M, LI J

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