国家/地区 美国（12）
IPC部 B（12）
IPC大类 B01（12）
IPC小类 B01J（12）
IPC B01J019/10（12）
发明人 JANG B Z（4） ZHAMU A（4） OH I K（2）
公开年 2013（3） 2011（2） 2012（2） 2014（2）
申请年 2012（7）  2010（2） 
专利权人 NANOTEK INST.（4） JANG B Z（3） ZHAMU A（3）

Producing isolated graphene sheets from supply of coke or coal powder, used in composite material, comprises dispersing particles of coke or coal powder in liquid medium to produce suspension, and exposing suspension to ultrasonication.

ZHAMU A, JANG B Z

Purifying graphene nanoribbons, involves contacting composition comprising graphene nanoribbons and contaminants with liquid medium comprising dispersant, and dispersing nanoribbons in liquid medium and subjecting the dispersion.

HINTERMANN T, SCHWAB M G, CHA K C, WEITZ T, SCHAEFER A, MUELLER I B, WEITZE T, SCHWAB M G S, CHA K C P

Hierarchical structure of graphene-carbon nanotubes is obtained by growing graphene into carbon nanotubes having hierarchical structure by adding metal nanoparticles on graphene, and is metal-functionalized by metal precursor.

BAE S, KIM H, OH I, BAE S H, KIM H J, OH I K

Apparatus, useful for preparing graphene-structured material for e.g. filler, comprises supply hopper to supply graphite oxide, supply line of which end is fixed to hopper, and reducing atmosphere gas supply unit connected to supply line.

JI B K, CHOI J Y, SHIN C M

Manufacture of graphene oxide reduced material for forming electrode for silicon-based semiconductor, involves synthesizing graphite oxide flakes from graphite flakes and forming graphene oxide dispersion solution.

JEONG S, LEE G, HAN J, JEONG H, KIM S, HAN J T, JEONG H J, JEONG S Y, KIM S H, LEE G W

Producing chemically functionalized nano graphene material involves mixing starting nano graphene material, azide/bi-radical compound, and organic solvent in reactor and allowing chemical reaction between the material and the azide compound.

ZHAMU A, JANG B Z

Making functionalized nano graphene material involves dispersing pre-intercalated/oxidized/halogenated graphite material and azide/biradical compound in liquid; and ultrasonicating suspension to ultrasonic waves of desired intensity.

ZHAMU A, JANG B Z

Producing graphene sheet or ribbon involves attaching metal to carbon nanotube; treating metal to bond chemically to nanotube; removing metal from nanotube; unzipping nanotube into graphene sheet or ribbon, useful for making supercapacitors.

CHEN W, CUI X

Reducing agent for graphene oxide used in e.g. conductors, comprises reducing agent containing halogen element and trifluoroacetic acid.

LEE H Y, CUI P, LEE H

Preparing dispersion of graphene particles/sheets in liquid medium comprises providing bar/block of solid material made of graphite, rubbing material on substrate surface and dipping substrate in medium and subjecting medium to ultrasound.

JANOWSKA I, BEGIN D, CHIZARI K, ERSEN O, BERNHARDT P, ROMERO T, LEDOUX M, PHAMHUU CUONG, PHAM H C, PHAMHUU C