国家/地区 中国（5） 美国（4） 世界知识产权组织（4） 日本（2） 韩国（2） 台湾（2）
IPC部 C（14）
IPC大类 C01（14）
IPC小类 C01B（14）
IPC C01B032/225（14）
发明人 JANG B Z（3） ZHAMU A（3） HUO Y（2）
JI Y（2） LEI T（2） LIN Y（2）
LIU W（2） MIN J（2） PANG Z（2）
WU J（2） ZHANG P（2）
公开年 2019（9） 2018（5）
申请年 2018（14）
专利权人 NANOTEK INST.（3） DATONG XINCH.（2）

Graphene prepared by e.g. contacting graphite with intercalating agent in the presence of ammonia or ammonium salt, contacting with oxidizing agent to oxidize, and recovering.

SHI C, OU E, XU W, ZHANG X, BAO L

Graphene foam-based sealing material comprises graphene foam framework comprising pores and pore walls, where pore walls comprises three-dimensional network of interconnected graphene planes or sheets and permeation-resistant binder.

LIN Y, ZHAMU A, JANG B Z

Manufacture of graphene foam-based sealing material e.g. O-ring, involves preparing graphene dispersion, dispensing and depositing graphene dispersion, heat-treating graphene shapes, and coating or impregnating solid graphene foam shapes.

LIN Y, ZHAMU A, JANG B Z

Producing low thickness graphene, comprises e.g. preparing functional additive dispersion solution by dispersing functional additive to prevent reagglomeration in dispersion solvent, adding graphite, and passing through high pressure cell.

HAHN J H, KIM E J

Integral graphene film comprises chemically functionalized graphene sheets chemically bonded or interconnected with one another having an inter-planar spacing and non-carbon element.

ZHAMU A, JANG B Z

Graphite expansion device for preparing graphene, comprises furnace body, feed hopper, discharge pipe and bottom plate, where bottom plate is provided with damping supporting leg, which is provided with wheel, and bottom plate is provided with blower.

ZHAO Y

Graphite composite conductive bar material used as cathode in plasma electrochemical process for producing graphene, comprises graphite powders and polymeric material, and solid-state nitrogen-containing precursor containing melamine.

WEI K, YEN P

Graphite porous structure used as redox reaction catalyst, comprises porous structure including graphene layer, where graphite structure is interlayer-separated with specific gravity.

SASO M

Producing expanded graphite used for producing high purity graphene, comprises mixing graphite with acid to perform acid treatment, introducing expansion agent including sulfur oxoacid and metal halide, and expanding by applying microwaves.

LEE S S, AN K, LIM J, MYUNG S, SEOG S, LEE Y B

Carbon material used as electrode material for electrical storage device e.g. nonaqueous electrolyte primary battery, includes mesopores having preset volume and has graphene layered structure, and preset BET specific surface area.

OHARA S, WADA T