国家/地区 中国（9） 韩国（4） 世界知识产权组织（4） 欧洲专利局（EPO）（2） 日本（2）
IPC部 C（14）
IPC大类 C01（14）
IPC小类 C01B（14）
IPC C01B032/19（14）
发明人
公开年 2021（9） 2022（4）
申请年 2021（14）
专利权人

Producing graphene, comprises exfoliating graphene by applying voltage to working electrode and counter electrode installed in electrolyte solution to which antioxidant or reducing agent is added.

YOO H, HAN S Y

Graphene generating device comprises reaction tank containing electrolyte, graphite electrode and pair of facing electrodes, fixing member disposed in reaction tank, and power supply unit electrically connected with graphite and facing electrodes.

WEI S, CHENG C, HE M, HUANG H

Electrolyte composition used for exfoliation of graphite for graphene for conductive ink for 3-dimensional printing and supercapacitor, comprises quaternary ammonium salt, another quaternary ammonium salt, and electrolyte solvent.

LU J, LI J, WANG F

Preparing controllable graphene by using an electrode and magnetic field to adjust ion intercalation, involves placing electrolytic device in room temperature environment and then graphite sheet is placed distance as electrolytic electrode.

CAO D, TIAN W, LIU Y

Device useful e.g. for producing exfoliated graphene using electrochemical method, comprises e.g. storage tank introduced with pure electrolyte passed through electrolyte control unit and stored through electrolyte storage tank inlet pipe.

KIM J S, HAN Y B

Gas diffusion layer formed by carbon fiber and graphene combination, comprises carbon fiber monofilament and graphene composite formed porous ventilating conductive carbon material layer.

WANG J

Electrode structure for preparing graphene by graphite powder electrochemical method, comprises anode plate for electrically connecting with anode of power supply, and two cathode plates that are used for connecting with cathode.

WANG C, SHI Y, ZHENG S, TU H

Method for exfoliation and functionalization of lamellar objects, involves placing electrode out of liquid, and generating plasma between portion of electrode facing surface of liquid and surface of liquid by applying pulse voltage difference between two electrodes.

CUYNET S, PONCOT M, FONTANA S, LETOFFE A, HENRION G, HEROLD C, ROYAUD I, BELMONTE T, GERARD H, STEPHEN Q, MARK P C, SEBASTIAN F, LETOPEADRIAN, GERARD H O, CLARE H, ISABEL L, THIERRY B

Preparing graphene comprises preparing salt solution, carrying electrolysis reaction out under constant voltage conditions, connecting two graphite electrodes of power supply, spliting and peeling graphite electrode.

LIU G

Device used for realizing electrochemical continuous and synchronous stripping and reduction for preparing graphene, has graphite oxide or graphene oxide electrode and graphite counter electrode encapsulated by filter bag membrane that are used as single anode and cathode.

JIANG J, MEI J, HUANG Y, LI Q, WANG H, ZHENG F, LIU K