国家/地区 中国（12） 美国（2）
IPC部 C（14）
IPC大类 C01（14）
IPC小类 C01B（14）
IPC C01B032/196（14）
发明人 CHEN C（2） LIANG J（2） LIANG X（2）
LIU Y（2） TANG Q（2） WU Y（2）
ZHANG J（2）
公开年 2020（7） 2019（5）
申请年 2019（14）
专利权人 UNIV HEBEI T.（2）

Removing impurities, used in hydrogen halide reduction-oxidation graphene film, involves using hot water to fumigate or multiple times to act on oxidized graphene film of hydrogen halide reduction, making water molecule enter into interlayer of graphene oxide, extruding halogen element to interlayer.

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

Producing graphene-structured product, involves contacting at conversion temperature of coal with molten salt to produce graphene-structured product, and further combining coal and molten salt to form uniformly dispersed mixture of coal and molten salt.

JI T, MATRANGA C, GRAY M L, SHI F

Device for cleaning and purifying carbon-based amphiphilic graphene, has ultrasonic transducer that is set in ultrasonic stirring kettle for outputting ultrasonic wave, and inlet/outlet nozzle that is set on wall of ultrasonic stirring kettle.

JIANG H, CHEN D, WANG Y

Production device for producing graphene material, has feeding pipe whose lower end is extended into inner tank, and cover plate whose right side is connected with spray head, where top right side of shell is connected with water tank.

SUN S, ZHAO A, ZHOU A, GAO Q, ZHANG W, LIU D, SONG Y, GAO L, WANG G

Device for separating high purity graphene from graphene mixture, has conveying pipe whose conveying end is connected with filter chamber, where bottom part of filter chamber is provided with drying chamber that is equipped with drying device.

FANG L

Refining device useful for graphene, comprises a dispersing tank, a reaction box and a drying cylinder, where the bottom of one side of the dispersion box is fixedly provided with an ultrasonic dispersion machine.

XIN Y

Separating and purifying graphene comprises e.g. taking biomass carbon or resin-modified asphalt and heating with oxygen to obtain graphene-containing mixture, and taking mixture in solvent to separate graphene by liquid phase separation.

HU Y, WU L, ZHANG J, LIU Y, YANG X

Pinewood-based graphene quantum dot used e.g. in cell fluorescence probes, is prepared by hydrothermally carbonizing using pinewood, centrifuging and dialyzing to separate and purify graphene quantum dots, and freeze-drying solid powder.

SONG X, ZHAO S, CHAI X, LIU Z, HE H, WU M

Graphene separating and purifying device comprises a purifying box, where the bottom of the purifying box is equipped with a supporting foot, one side of the purifying box is provided with a medicine feeding pipe.

WU T, XU M, WU Y, ZHANG X, ZHANG K, HUANG T, CHEN C

Preparing few-layer graphene comprises e.g. dispersing graphite raw materials in specified dispersant system, and placing them in ultrasonic environment to obtain graphite-graphene mixed dispersion liquid and dispensing into centrifuge tube.

PAN H, LIU Y, CHEN W