国家/地区 中国（8） 台湾（2）
IPC部 C（10）
IPC大类 C01（10）
IPC小类 C01B（10）
IPC C01B032/196（10）
发明人 JIA K（2） LI Y（2） LIANG J（2）
LIANG X（2） LIU X（2） LIU Z（2）
PENG H（2） SUN L（2） TANG Q（2）
ZHANG J（2）
公开年 2019（10）
申请年 2019（5）  2018（4） 
专利权人 BEIJING GRAP.（2） UNIV HEBEI T.（2） UNIV PEKING（2）

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

Cleaning method of graphene comprises rolling the surface of graphene through curved body provided with adsorbent on curved surface.

LIU Z, PENG H, SUN L, LI Y, LIU X, LIN L, ZHANG J, JIA K

Cleaning graphene surface for preparing clean graphene used in e.g. transparent electrode, involves providing carbon nanomaterial, contacting nanomaterial with graphene surface, applying pressure and separating nanomaterial from graphene.

LIU Z, PENG H, LI Y, SUN L, WANG K, ZHANG J, JIA K, LIU X

Repairing defects of graphene comprises subjecting composite fluid having reactive compound and supercritical fluid to impregnate graphene powder with in reactor containing graphene powder and separating fluid and powder, and adsorbing.

LI Z, TU P, CHEN C, HUANG Y, LI Z Y, TU P M, CHEN C J, HUANG Y W

Preparation of high quality graphene involves soaking crystalline flake graphite in impregnating solution, drying, adding liquid rubber and rubber thinner, stripping, adding solvent, shaking, dispersing, and vacuum drying.

TANG Q, HUANG B, LIANG X, LIANG J

Mechanically adding polymer stripped expanded graphite to prepare graphene comprises e.g. placing expanded and sieved expandable graphite in a ceramic crucible or quartz boat and placing in high-temperature furnace after being capped.

TANG Q, WANG L, LIANG X, LIANG J

Method for removing sulfur from graphene involves adding water, auxiliary solvent and hydrogen peroxide to graphene to form graphene dispersion, heating and washing.

ZHOU Y, LIU G, WU Z

Graphene material cleaning method involves settling produced graphene material solution, obtaining graphene material slurry, mixing with water and concentrated acid, dispersing, centrifuging, and obtaining graphene material thick slurry.

LI C, ZHANG Z, ZHAO Y, WU K, CHENG J

Method for manufacturing graphene composite material has high energy ball milling treatment is performed on graphene material and precursor.

CHIANG W, LIAO J, CHIEN H, CHEN J

Preparing graphene quantum dots useful in the fabrication of devices, comprises e.g. reacting flake graphite with concentrated sulfuric acid, adding nitrate and potassium permanganate, reacting and diluting the reaction system with water.

ZHANG R, PENG S, LENG S