国家/地区 中国（15）
IPC部 H（7） C（6） B（5）
IPC大类 H01（6） B22（2） B82（2）
C22（2）
IPC小类 H01M（6） B22F（2） B82Y（2）
C22C（2）
IPC H01M004/92（4） B82Y040/00（2） H01M004/88（2）
发明人 LI J（15） WANG X（15） WANG J（8）
DU Z（7） YU F（7） LUO G（4）
WANG G（4） CAO Z（2） LI Y（2）
LIANG J（2） XIAO Z（2） ZHANG H（2）
公开年 2023（15）
申请年 2022（15）
专利权人 BEIJING GRAPHENE TECHNOLOGY RES INST CO（15）

Titanium carbide-based metal ceramic used for preparing wear-resistant product, comprises graphene, alloy steel and titanium carbide.

WANG X, XIAO Z, CAO Z, LI J

Preparing graphene copper-based composite material, comprises e.g. mixing graphene slurry and copper-based powder, compressing powder to obtain green body, vacuum calcining, subjecting to solution heat treatment and aging heat treatment to obtain graphene copper-based composite material.

WANG X, XIAO Z, CAO Z, LI J

Preparing functionalized graphene-supported platinum-based alloy catalyst for e.g. proton exchange membrane fuel cell, comprises mixing carbon material loaded with first metal and graphene, carrying out reduction reaction, metal replacing between solid phase substance and platinum salt, calcining.

WANG X, LI J, YU F, DU Z, WANG J

Preparation of single crystal graphene film for forming electronic devices, involves laminating copper foil and base metal foil, heating, performing roll-to-roll monocrystalline graphene film growth on molten copper foil, and growing roll-to-roll single crystal graphene film.

LUO G, WANG G, WANG X, LI J, ZHANG B

Preparation of nitrogen-doped porous graphene used as e.g. catalyst, involves dispersing amino-modified graphene oxide in water, controlling solid content of obtained dispersion to prepare thick slurry, and irradiating with microwaves.

WANG X, LI J, YU F, DU Z, WANG J

Preparing platinum-loaded nitrogen-doped graphene for use as fuel cell catalyst for membrane electrode of proton exchange membrane fuel cell, involves mixing oxidized graphene, platinum salt and solvent, hydrothermally reacting, mixing with amino compound, ball milling, and irradiating.

WANG X, LI J, YU F, DU Z, WANG J

Graphene composite microsphere for pharmaceutical preparation, is self-assembled by aminated graphene oxide, diiodotyrosine and hydrophilic polyurethane prepolymer through covalent bond crosslinking, where hydrophilic polyurethane prepolymer crosslinks graphene oxide and diiodotyrosine.

WANG G, LUO G, HE M, WANG X, LI J, ZHANG H, YANG X

Preparing graphene/nanometer copper oxide composite antibacterial agent comprises e.g. mixing graphene oxide, basic copper carbonate, copper citrate, urea, aqueous ammonia and solvent to obtain mixed solution, and subjecting mixed solution to hydrothermal reactions.

WANG X, LI J, LI Y, LIANG J

Preparing modified graphene nano-coil as catalyst in electrocatalytic redox reaction, comprises sequentially subjecting mixed liquid containing reducing organic solvent, noble metal source and graphitic carbon material to liquid nitrogen cooling and microwave treatment.

WANG X, LI J, YU F, WANG J, DU Z

Metal compound nano catalyst useful in preparing fuel cell, comprises graphene and intermetallic compound nanoparticles supported on graphene, where intermetallic compound nanoparticles include redox reaction between transition metal compound and graphene loaded with simple platinum.

WANG X, LI J, WANG J, DU Z, YU F