国家/地区 中国（24） 美国（6） 韩国（5） 世界知识产权组织（5） 欧洲专利局（EPO）（4） 日本（4） 印度（2）
IPC部 C（28） B（9） H（6）
D（3）
IPC大类 C01（28） B01（4） H01（4）
C08（3） C09（3） B82（2）
C04（2） D01（2） D06（2）
H05（2）
IPC小类 C01B（28）
IPC C01B032/192（28）
发明人 ZHANG J（4） QU Y（3） CHEN H（2）
LIU Z（2） WANG S（2） WANG X（2）
YANG Y（2）
公开年 2021（28）
申请年 2020（28）
专利权人 QU Y（2）

Preparation of low-defect graphene used for e.g. sensor, involves adding flake graphite to reactor filled with vitriol oil, adding potassium permanganate powder, reacting, directly adding hydrogen peroxide solution, stirring, and exfoliating obtained expanded graphite oxide at high temperature.

WANG S, CHEN H

Preparing graphene based on mixed inorganic acid solvent by e.g. pre-treating raw material graphite powder, preparing mixed inorganic acid solvent, performing graphene peeling treatment, and extracting graphene product from graphene mixture.

QIAN X, MA C

Preparing selective catalytic reduction denitration catalyst comprises e.g. dissolving neutralized slag by rare earth oxalic acid wastewater by sulfuric acid, depositing, converting, and adding concentrated sulfuric acid.

TONG Z, WANG F, ZHAO Z, WANG W, WANG Y, WANG S

Nano silicon-graphene micro ball composite anode material for secondary battery comprises crystalline graphene having two-dimensional structure and nano-silicon particles and composite powder formed by bonding nano-silicon particles.

JEONG S, YANG S, LEE G, KIM B, RYUJIHYUN, LEE H, KIM I, JUNG S Y

Slurry with medium and small diameters useful for preparing graphene oxide film, comprising graphene oxide and water prepared by dispersing graphene oxide in water or crushing medium-sized graphene oxide dispersed in water.

TANG R, WU Y, GE M, ZHANG J, GENG B, QU Y

Peeling device for graphene coating production, has metal barrel whose right side is connected with water outlet pipe, where right end flange of water outlet pipe is connected with water tank and bottom part of water tank is bolted with top of bottom plate.

HUANG L, YU F, YU J

Fast precipitating device useful for processing graphene, comprises an outer barrel, where the inner part of the outer barrel is rotatably inserted with an inner barrel, and the bottom of the outer barrel is fixedly connected with a motor.

JI H

Graphene processing device, has rotating motor whose output end is fixedly connected with stirring rod, where right side of stirring rod is movably connected to right side of inner wall of drying box main body through bearing.

CHEN S, WANG L

Method for producing multi-layered functionalized graphene oxide paper, involves drying aqueous suspension, annealing multi-layered graphene oxide material prior to surface grating to provide multi-layered reduced graphene oxide material.

AWAJA F, SPERANZA G, AWAZA F

Oxidation device for graphene production, has top cover whose top end is fixedly connected with handle, and square box body whose left and right ends are respectively connected with water inlet pipe and water outlet pipe.

XIE Y