国家/地区 美国（9） 世界知识产权组织（9） 中国（8） 欧洲专利局（EPO）（7） 日本（6） 韩国（6） 台湾（4） 英国（2）
IPC部 B（10）
IPC大类 C01（10）
IPC小类 C01B（10） B82Y（7） H01B（5）
H01G（4） H01M（4） B01F（2）
B01J（2） C09D（2） H05K（2）
IPC C01B031/04（10）
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（9）
申请年 2014（10）
专利权人 LG CHEM CO L.（2） LG CHEM LTD（2）

Production of graphene sheet used for e.g. electron field emitter, involves forming carbonaceous powder by electrochemical erosion of graphite electrode in molten salt, recovering carbonaceous powder, and heating carbonaceous powder.

FRAY D, KAMALI A R, KAMALI A, FREY 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

Graphene-lead composite material used for preparing graphene lead carbon electrode, comprises a lead base, which is fixed to graphene material chip as carrier by depositing lead on surface of graphene.

HUANG B, JIAO C, WANG 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

Formation of graphene for structure formation involves depositing metals on surface of silicon carbide and heating silicon carbide and metals under predetermined conditions.

IACOPI F, AHMED M, CUNNING B V

Synthesis of graphene-polyaniline hybrid composite used for electrochemical device, involves functionalizing surface of graphene substrate with aniline groups, and polymerizing aniline groups.

XIE J, LI Z

Preparation of large-piece graphene for e.g. electronic material involves performing layer inserting treatment on graphite powder under mild condition and presence of acid and oxidizing agent, and washing with dilute hydrochloric acid.

BAI Y, HU X, SHA X, SHA 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

Manufacturing graphene used as anode material in lithium secondary battery, by forming graphite oxide from graphite, subjecting graphite oxide to hydrochloric acid treatment, and subjecting treated graphite oxide to heat treatment.

KANG K, KIM H, KANG K S, KIM H G