国家/地区 中国（6） 欧洲专利局（EPO）（6） 日本（6） 韩国（6） 美国（6） 世界知识产权组织（6） 台湾（4） 印度（3）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 C01B（6）
IPC C01B032/184（6）
发明人 KWON W（2） KWON W J（2） LEE J（2）
LEE K（2） LEE K S（2） SOHN K（2）
SOHN K N（2） YOO K（2） YOO K H（2）
公开年 2015（6）
申请年 2014（4）  2015（2） 
专利权人 LG CHEM CO L.（2） LG CHEM LTD（2）

Nitrogen-doped graphene coated nano-sulfur anode composite material, used in making lithium-sulfur batteries, comprises three-dimensional conductive network formed by nitrogen-doped graphene, and nitrogen-doped graphene sheets.

HOU Y, LI G, LI H, LI W, LIU M, QIU Y, YE F, ZHANG Y, ZHOU L

Particle for particulate material used for composite material, particle dispersion and article comprises stacked sub-structures in which each sub-structure includes stack of graphene layers.

WALTERS I, WALTERS D

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

Production of graphene involves forming liquid dispersion comprising dispersing agent, and carbon-based material comprising de-oxidized graphite, and continuously passing liquid dispersion through high-pressure homogenizer.

YOO K H, SOHN K N, KWON W J, LEE K S, YOO K, SOHN K, KWON W, LEE K

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

Graphene comprises oxygen atom content in predetermined range, and has carbon/oxygen weight ratio of predetermined range.

LEE J S, DO S H, JEON S Y, KONG J H, DO SEUNG H, LEE J, DO S, JEON S, KONG J