国家/地区 中国（10）
IPC部 C（10）
IPC大类 C01（10） C25（3）
IPC小类 C01B（10）
IPC C01B032/198（10）
发明人 CHENG H（10）
公开年 2022（3） 2017（2） 2018（2）
申请年 2022（3）  2018（2）  2021（2） 
专利权人 SHENZHEN MAT.（4） INST METAL R.（3） UNIV TSINGHU.（2）

Cleaning graphite oxide without involving hydrochloric acid, comprises e.g. oxidizing graphite by chemical methods, diluting with water, collecting filter cake, washing filter cake with water, adding water and hydrogen peroxide for slurry, and performing solid-liquid separation.

CHENG H, PEI S, HUANG K, REN W

Method for preparing graphene oxide by continuous electrolysis based on pressure regulation, involves stripping and cleaning material after positive electrode oxidation reaction to obtain graphene material.

LIU Y, CHENG H, HUANG K, WEI T, WANG J

Method for continuously preparing graphene oxide by two-step electrochemical method, involves connecting plug layer groove and oxidation groove to negative electrode supply through lead, and soaking inserting layer groove and oxidation groove in intercalation electrolyte.

LIU Y, CHENG H, HUANG K, WANG J, WEI T

Method for preparing oxidized graphene by adjusting pressure controllable electrolysis, involve using graphite raw material limited and extruded by mesh container space, and stripping and cleaning material positive electrode oxidation reaction to obtain graphene oxide materials.

LIU Y, CHENG H, HUANG K, WEI T, WANG J

Preparing graphene oxide material used in e.g. transparent conductive film, involves using mud-shaped graphite interlayer compound as anode electrode material for electrochemical reaction, immersing in electrolyte, inserting cathode electrode, applying voltage, oxidizing, peeling and cleaning.

LIU Y, CHENG H, HUANG K, WANG J, WEI T

Preparing nano-grade sheet graphene oxide material comprises e.g. using glass carbon material, immersing in electrolyte, inserting into cathodeelectrode, applying a voltage, oxidizing, centrifuging, washing, dialyzing and drying.

PEI S, WEI T, REN W, CHENG H

Preparation of heterostructure porous graphene oxide film used for forming graphene film for generator, involves freeze-drying graphene oxide solution, heating, reducing, and applying pressure to resultant product in vertical direction.

QU L, CHENG H, HUANG Y

Preparing graphene composite structural material comprises e.g. using methane as growing gas, argon as shielding gas, hydrogen as reducing gas, nickel metal foil as catalyst and then annealing graphene film.

QU L, CHENG H, ZHANG P

Preparation of graphene oxide nanoplatelets involves using flexible graphite coil, strip or carbon fiber wire as raw material and subjecting to electrochemical intercalation and electrolytic oxidation stripping using drive of feeding device.

PEI S, REN W, CHENG H, HUANG K

Preparation of graphene oxide involves mixing mixed acid solution and graphite powder, drying, adding concentrated sulfuric acid and oxidant, oxidizing, water bath processing, drying, adding water, centrifuging, and washing.

YU C, NIE Y, DONG H, ZHU W, CHENG H, WU F, CHANG Y