国家/地区 欧洲专利局（EPO）（11）
IPC部 B（11）
IPC大类 C01（11） B82（10） H01（6）
C09（5） B01（3） C08（3）
C23（3） C04（2） G01（2）
H05（2）
IPC小类 C01B（11）
IPC C01B031/04（11）
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（9）
申请年 2014（11）
专利权人 LG CHEM CO L.（2） LG CHEM LTD（2）

Separating carbon structure including e.g. graphene and carbon nanotube deposited on seed structure, comprises e.g. providing carbon structure into processing chamber, heating carbon structure and seed structure, and supplying etching gas.

MATHARU J, THOMAS S, TEO K B K, JOUVRAY A, JOUBEUREI A, MATARU J, TOMASEU S

Formation of graphene scroll for synthesizing graphene article, involves annealing catalyst substrate in hydrogen gas, exposing substrate to reaction gas mixture, detaching substrate from graphene and consolidating synthesized graphene.

VLASSIOUK I V, IVANOV I N, DATSKOS P G

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

Graphene nanoribbon comprises repeating unit comprising edge carbons which can unambiguously be assigned as zigzag or cove type carbon atoms.

SCHWAB M G, MUELLEN K, FENG X, YANG B, DUMSLAFF T, FASEL R, RUFFIEUX P, LIU J, CAI J, SANCHEZSANCHEZ C, MULLEN K, SANCHEZ S C, TSAI J, MILLEN K

Large-scale preparation graphene quantum dots, comprises adding graphene oxide into first solvent to obtain first dispersion solution, adding reducing agent, reacting, carrying out solid-liquid separation and cooling to obtain crude product.

ZHANG M, ZHANG L

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

Production of aqueous dispersion of few-layer graphene nanosheets used for coated article, involves mixing graphite particles with perfluorosulfonate ionomer in aqueous liquid, and arranging ionomer as thin and continuous layer.

JULIUS D, ZIN M, DIVIGALPITIYA R, KORBA G A, KIM M

Synthesizing reduced graphene oxide on a substrate from seedlac, comprises preparing the seedlac solution in alcohol having specified carbons, dipping the substrate into the solution, and heating the substrate which is a metallic sheet.

SHYAM K C, MANISH K B, TAPAN K R, SUMITESH D, RANJAN K S, YASHABANTA N S, ASHIT K P, VIKAS C S, CHOUDHARY S K, BHADU M K, ROUT T K, DAS S, SAHU R K, SINGHBABU Y N, PRAMANICK A K, SRIVASTAVA V C

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