国家/地区 中国（12）
IPC部 C（12）
IPC大类 C01（12） B82（2） C23（2）
IPC小类 C01B（12）
IPC C01B031/04（10） B82Y030/00（2）
发明人 ZHANG W（12）
公开年 2013（7） 2014（5）
申请年 2013（12）
专利权人 SHANDONG LIA.（3） UNIV CHINA E.（3）

Preparation of asymmetric modified graphene or graphene oxide by preparing graphene or graphene oxide aqueous dispersion solution, and adding water immiscible liquid organic phase and alkyl chain quat. ammonium salt cationic surfactant.

YAN S, LI C, LI Y, ZHANG W, GAO L

Preparing super capacitor activated carbon comprises e.g. co-precipitating activated carbon or modified activated carbon and graphene dispersion, adding graphene ethanol dispersion into activated carbon dispersion, stirring, and heating.

ZHOU J, ZHANG W, YING H

Preparing graphene dispersion liquid, comprises dispersing Hummers method graphene oxide in solvent, mixing to obtain graphene oxide dispersion, quickly freezing, heating frozen products, performing solid-liquid separation and centrifuging.

SHI Z, ZHANG W, CAO Q

Preparing graphene oxide, comprises e.g. performing oxidation of graphite, adding potassium permanganate, peeling graphite, performing primary quenching by washing the reaction system with water, and performing deep quenching reaction.

SHI Z, ZHANG W, CAO Q, YING H

Graphene belt based spin valve contains edged carbon atoms as graphene nanometer belt spin transport channel, and is prepared by cleaning doped silicon substrate and applying silicon dioxide layer on silicon substrate.

WANG P, ZHOU P, ZHANG W, SUN Q, WANG L

Preparing graphene/nickel-zinc-cerium-iron oxide nano-absorbing material comprises e.g. dissolving nickel-zinc-cerium-iron oxide powder in N,N-dimethylformamide, dropping graphite oxide-N,N-dimethylformamide, reacting and vacuum drying.

HUANG Y, WANG K, ZHANG W, WANG Y, WU H, SANG Y

Preparing double-layer graphene thin film used in field of e.g. micro-electronics, comprises e.g. coating catalyst on the surface of metal foil/thin film substrate, drying, placing in reaction chamber, pumping vacuum, and filling hydrogen.

LI P, WANG Z, CHEN Y, ZHANG W, LIU J

Preparation of expanded graphene by foaming expansion involves adding graphite/polyurethane composite material into muffle furnace, controlling temperature increasing speed, maintaining, and cooling to room temperature in air.

ZHANG C, ZHANG W, DONG W, QIAN Y

Method for growing carbon nanotubes on surface of graphene involves mixing transition metal salt and graphene oxide, quick-freezing, vacuum-drying, heating dried solid sample, introducing high-purity argon gas, reacting and cooling.

ZHAO J, ZHANG S, ZHANG W, PAN Q, XING B

Preparation device of graphene, has growth chamber which is connected with vacuum-pumping device, and growth substrate of growth chamber is wound on coil that is connected with alternating current source.

SHI H, LI Z, DU C, ZHANG W