国家/地区 中国（15） 世界知识产权组织（2）
IPC部 C（15） B（2） H（2）
IPC大类 C01（15） C02（2） C08（2）
H01（2）
IPC小类 C01B（15）
IPC C01B032/184（15）
发明人 CHENG H（15）
公开年 2018（4） 2017（3） 2022（2）
申请年 2015（3）  2018（3）  2022（3）  2017（2） 
专利权人 INST METAL R.（7） UNIV TSINGHU.（3）

Preparing graphene-based thermally conductive/conductive composite material, comprises e.g. pressing open-cell metal foam laminate, annealing pressed foam metal, catalyzing graphene on the surface of the metal foam substrate, removing the metal substrate, and post-processing.

CHENG H, LIU H, MA C, REN W

Preparation of mesoporous reduced graphene oxide absorbent used for preparing wave-absorbing material, involves adding graphene oxide powder to reducing agent aqueous solution, heating using blast drying oven, cleaning product using deionized water, freeze drying and grinding.

CHEN Y, WEN Q, CHENG H, SUO J, YE X

Method for manufacturing heat conducting and radiating material for high-density graphene oxide film used in thermal management system of electronic device, involves performing graphene oxide film thermal reduction and compacting process in protective atmosphere to obtain graphene oxide film.

LIU Y, CHENG H, WEI T, HUANG K, WANG G

Preparation device of graphite alkene used for preparing graphene, comprises drying box having one side provided with hot fan, top provided with top cover plate, and middle portion provided with drying cylinder, and bottom installed on bracket.

CHENG H, LI X, CHANG J, WANG Z

Preparing graphene or graphite film used in e.g. electronic devices, by using high-temperature substrate, cooling in liquid carbon source, and growing graphene or graphite film on surface of substrate using cracking of liquid carbon source.

REN W, ZHAO T, ZHOU T, XU C, CHENG H

Preparation of heterostructure porous graphene oxide film used for forming graphene film for generator, involves freeze-drying graphene oxide solution, heating, reducing, and applying pressure to resultant product in vertical direction.

QU L, CHENG H, HUANG Y

Photothermal conversion material for seawater desalination, sewage treatment, comprises columnar structures spaced apart from one surface of substrate, where material forming substrate and columnar structures having graphene foam.

QU L, ZHANG P, CHENG H

Wide temperature stable isotropic high-elastic porous graphene based composite foam comprises interconnected three-dimensional network structure, and network skeleton is a graphene-carbonitride composite film.

LI F, CHEN J, WEN L, REN W, CHENG H

Preparation of graphene solar water cleaning foam for use in sewage purification treatment, involves subjecting graphite powder to oxidation treatment, and mixing aqueous graphene oxide solution with low freezing point solvent.

QU L, CHENG H, ZHANG P

Preparation of graphene oxide nanoplatelets involves using flexible graphite coil, strip or carbon fiber wire as raw material and subjecting to electrochemical intercalation and electrolytic oxidation stripping using drive of feeding device.

PEI S, REN W, CHENG H, HUANG K