国家/地区 中国（16） 世界知识产权组织（16） 美国（15） 欧洲专利局（EPO）（13） 日本（12） 韩国（9） 印度（5） 台湾（4） 英国（3） 加拿大（2） 南非（2）
IPC部 B（19）
IPC大类 C01（19）
IPC小类 C01B（19）
IPC C01B032/184（19）
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（19）
申请年 2014（9）  2015（7）  2013（3） 
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

Graphene structure for electronic component e.g. transistor, comprises two-dimensional base graphene layer having defect, and linking material formed at defect of base graphene layer.

SUNG M, KIM S, MO S M, KIM S J, CHENG M

Preparing hetero atom-doped surface perforated hollow spherical graphene material used in lithium ion battery comprises e.g. providing oxide graphite and water, carrying out ultrasonic dispersing to obtain oxide graphite solution.

JIANG Z

Graphene-porous ferric oxide nanorod comprises graphene, which is loaded on ferric oxide nanoparticles, and is prepared by mixing graphene oxide and fibroin solution.

LV Q, SHENG W, ZHU H

Method for preparing graphene layer of e.g. electronic device, involves heating portion of graphene oxide layer by laser irradiation at specific laser output power, so that portion of graphene oxide is chemically reduced to graphene.

BALKENENDE A R, GIESBERS A J M, VAN DER TEMPEL 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 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

Preparing anthracite based graphene oxide comprises e.g. preparing ultra-clean anthracite powder, adding dispersant, carrying out ultrasonication to prepare dispersion liquid, and preparing graphene oxide colloid solution.

ZHANG L, ZHANG M

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