国家/地区 韩国（6）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 C01B（6）
IPC C01B031/04（6）
发明人
公开年 2015（2） 2017（2）
申请年 2014（2）  2016（2） 
专利权人

Preparation of graphene ink involves growing graphene on metal substrate, removing metal substrate, and dispersing graphene in dispersion medium.

KIM Y N, LEE S K, PARK C W, YANG W S

Preparing graphene ink involves dispersing graphite flakes in organic solvent, ultrasonicating dispersion, separating supernatant by centrifuging ultrasonically treated dispersion to remove supernatant and adding 1-5C alcohol.

KIM S J, JIN J

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

Graphene oxide useful in graphene-polymer composite used in coating liquid, for coating steel sheet.

YOO H, KIM J, JUNG Y, YOO H J, KIM J K, JUNG Y G, KIM J S, LIU H

New imidazolidine-type compound used for mixed ionic liquid for preparation of graphene dispersion liquid for electronic component e.g. energy storage electrical appliance and lithium-ion secondary battery.

AIDA TAKUZO, PARK CHIYOUNG, RAVI SAISUWAN, MATSUMOTO MICHIO, AIDA T, PARK C, RAVI S, MATSUMOTO M