国家/地区 中国（6） 世界知识产权组织（2）
IPC部 C（6） H（2）
IPC大类 C01（6） H01（2）
IPC小类 C01B（6）
IPC C01B032/19（6）
发明人 WANG Y（6）
公开年 2021（5）
申请年 2021（6）
专利权人 GUANGDONG BR.（2） GUANGDONG BR.（2） HUNAN BRUNP .（2）

Preparing graphene-based suspension ultra-thin film in the field of nano mechanical sensor, involves preparing oxidized graphite enol solution with water, adding water to prepare graphene oxide/alcohol aqueous solution.

HUANG Z, WANG Y, XU J, CAI Y, JIANG D, MEI Q, DING G

Use of graphene with a specific structure in preparation of dust suppressants for coal mines, graphene with a specific structure prepared by oxidizing flake graphite and intercalating with sulfuric acid and potassium permanganate and obtained by mechanical peeling.

LI Y, WANG Y, ZHANG S, XU C, JIN L, LI W, LI X, YAO H, ZHANG L

Graphene preparation method based on vortex cavitation technology for material learning, micro-nano processing, energy, biomedical and drug delivery fields, where device has graphite storage tank, electrochemical intercalation device, microwave bulking machine, dispersing agent storage tank.

REN L, NA H, KAN K, YAO H, YAO S, PEI Y, WANG Y, ZHAO M, YAO L, LI D, ZHANG Y

Preparing graphene composite material comprises e.g. dissolving chromium trioxide in water to form chromic acid solution, dropping concentrated sulfuric acid, adding expanded graphite and subjecting to high-pressure homogeneous peeling.

ZHU R, WANG Y, LI H

Method for preparing graphene by using waste graphite of negative electrode of lithium battery, involves heating electrolyte in electrolytic cell to melt and keep warm, and respectively immersing anode and cathode in electrolyte.

XU J, LIN Q, WU X, WANG Y, RUAN D, LI C

Preparing graphene by mechanical stripping, comprises dispersing graphite raw material in foaming agent aqueous solution to obtain graphite pre-dispersion liquid, grinding, washing with water, and centrifuging and grading.

XU J, LIN Q, WU X, WANG Y, RUAN D, LI C, LIN QIAN, XU JIANFENG, WU XIAOFENG, WANG YUAN, RUAN DINGSHAN, LI CHANGDONG