国家/地区 韩国（8）
IPC部 B（8）
IPC大类 B01（8） C01（8） B82（2）
H01（2）
IPC小类 B01D（8）
IPC C01B032/184（8）
发明人 LEE S（2）
公开年 2021（3）
申请年 2020（3）  2017（2） 
专利权人

Large-area hexagonal boron nitride thin film used for forming gas/moisture barrier, comprises boron nitride crystal planes and having preset average surface roughness.

KIM S M, KO H

Preparing graphene based on mixed inorganic acid solvent by e.g. pre-treating raw material graphite powder, preparing mixed inorganic acid solvent, performing graphene peeling treatment, and extracting graphene product from graphene mixture.

QIAN X, MA C

Production of graphene-carbon nanotube composite used for e.g. electrode material, involves adding reducing agent to graphene oxide dispersion and reducing by heating, acid treating carbon nanotubes, dispersing reduced graphene and acid-treated carbon nanotubes in solvent, and spray-drying.

YOO H, HAN S Y

Making graphene oxide from kish graphite comprises e.g. provision of kish graphite, pre-treating kish graphite, intercalation graphite with persulfate salt and acid, expansion of intercalated graphite and oxidatizing expanded kish graphite.

VU T T, SUAREZ SANCHEZ R, SUAREZ S R, VU T, SANCHEZ R S

Three-dimensional graphene structure preparation involves forming graphene precursor by heating carbohydrate and gas generator, forming graphene structure having cavity by carbonizing graphene precursor, and then forming nanopores.

KIM T, YOU I, KIM B N, KIM I G, JUNG S, PARK S, YOUNG K T, KYU Y I, NA K B, GYOO K I, HOON J S, JUN P S

Combating biofouling or controlling microorganisms in aqueous medium by providing surface coated with laser-induced graphene layer in aqueous medium.

ARNUSCH C J, SINGH S P, SARGUNARAJ F, OREN Y, TOUR J M, LI Y

Graphene membrane film used in system for purifying solvent, comprises several plate-shaped laminated graphene flakes containing physical bond or chemical bond for connecting pair of layers, and has preset thickness and oxygen content.

LEE S H, KIM S J, SEO D K, KIM Y H, GEONHUI L, LEE S, KIM S

Making graphene powder useful in carbon-based electrical devices involves preparing graphene solution in which graphene particles are dispersed in a solvent; aggregating the particles; separating aggregated particles from solvent and drying.

LEE S, LEE D, SEO B, BYUN N