国家/地区 台湾（8）
IPC部 B（8）
IPC大类 B01（8）
IPC小类 C01B（8）
IPC C01B032/19（8）
发明人 KWON W（2） KWON W 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（3）
申请年 2014（3）  2017（2） 
专利权人 LG CHEM CO L.（2） LG CHEM LTD（2）

Preparation of graphene sheet involves using supercritical carbon dioxide to carry urea aqueous solution to intercalate graphite oxide or expandable graphite, and then stirring nitric acid at room temperature to form urea nitrate nitrates.

CHUNG M, KUAN H, HSU H

Electrochemical method for preparing defective graphene comprises, putting anode and cathode into electrolytic solution.

LEE C, HSU S

Air flow generating device for preparing graphene powder used for preparing graphene dispersion comprises outer bushing having chamber, intake opening, and outtake opening, and rotating awl having rotating body and screw threads.

WU T, CHANG T, LI H, LIN B

Graphene/organic solvent dispersion liquid used for manufacturing electrode, comprises graphene having preset difference between moisture content as measured by Karl Fisher method under specified conditions dispersed in organic solvent.

YANG H, TAMAKI E, KAWASAKI M, HIRAI Y, MIYAZONO K, YOSHIHIDE H

Manufacturing method of filter molded object, involves holding graphene layer under low temperature heating for predetermined time in-air contains specific oxygen range and forming graphene water flow hole.

KANEKO K, TAKAGI T, MURATA K, MURADA K, KATSUMI K, TOSHIO T, KATSUYUKI 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

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