国家/地区 中国（6） 美国（5） 韩国（2） 世界知识产权组织（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） LIN Y（2）
WANG J（2） ZHANG X（2）
公开年 2019（14）
申请年 2018（9）  2019（5） 
专利权人 NANOTEK INST.（3）

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

Preparation of nitrogen-doped carbon fiber-coated graphene-like interlayer composite material by expanding expandable graphite material, adding cetyltrimethylammonium bromide to acidic solution, adding ammonium persulfate and heating.

KAN K, WANG J, MA Y, ZHANG X, ZHANG W

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

Graphene having polynitrogen coordination structure useful for electrocatalytic reaction of carbon dioxide, oxygen and formaldehyde comprises tomic layers of carbon, oxygen, nitrogen, hydrogen and other elements and catalytic active site.

WANG J, ZHANG T, ZHANG H

Stripping oil phase graphene useful for providing lubrication in automobile engine oil comprises stirring flake graphite powder and base oil, adding expansion layer agent, stirring, adding chelating agent and stirring.

CHEN R, HONG H, LIANG S, SITU R