国家/地区 中国（11） 世界知识产权组织（10） 日本（8） 美国（8） 欧洲专利局（EPO）（7） 韩国（6） 加拿大（4） 新加坡（3） 澳大利亚（2） 巴西（2） 英国（2） 印度（2）
IPC部 C（14）
IPC大类 C01（14） C25（14） H01（12）
B82（6） C07（2） C09（2）
G01（2） H05（2）
IPC小类 C01B（14）
IPC C01B032/19（14）
发明人 WANG J（3） ABDELKADER A M（2） DRYFE R A W（2）
JEFF R A W（2） KINLOCH I A（2）
公开年 2021（3） 2015（2） 2018（2） 2023（2）
申请年 2013（3）  2021（3）  2016（2） 
专利权人 UNIV MANCHES.（3） UNIV SINGAPO.（2）

Preparing graphene heat dissipation film, involves obtaining graphite dispersion, adding liquid resin and film-forming agent into mixed dispersion, placing graphite conductive sheet in sulfuric acid solution, adding liquid resin into graphene water dispersion solution and peeling off metal substrate.

HONG J, YE J, LIU M, HUANG W, LIN J

Self-adaptive electrochemical stripping method for preparing graphene, involves electrolyzing and peeling pre-inserted layer electrode in electrolyte according to preset voltage and preset current density to obtain graphene.

WANG J, WANG C

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

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

Producing composite material used for e.g., electrocatalysis by impregnating a two-dimensional (2D)-material based aerogel with impregnation solvent, performing a solvent/water exchange, performing precursor diffusion and passing a current.

YANG W, MOISSINAC F, BARG S, BYUN J J, FRANCIS M, BARGZUELEN, GRADE S

Preparation of high conductive and high stability flexible graphene film electrode used e.g. in battery involves preparing graphene oxide gel, coating, drying, peeling, high temperature processing, carving, and connecting with copper foil.

HE D, JIN H, WANG Z

Production of graphene used in e.g. sensor, involves exfoliating working electrode of electrochemical cell containing aqueous electrolyte comprising exfoliating ions, to produce graphene having specified engineered characteristics.

CHAKI N K, DAS B, DEVARAJAN S, SARKAR S, RAUT R, SINGH B, PANDHER R, KHASELEV O, DIFFARAJAN S, LAUT R, PANDE R, COSERLEF O

Manufacture of graphene used as conductive support agent, involves injecting graphite powder into alkali metal hydroxide solution, arranging electrodes in graphite layer, applying voltage and vibration, separating graphene, and drying.

AOKI Y

Device for expansion of graphite into graphene flakes used for providing e.g. conductive coatings, comprises container which is provided for receiving electrolyte, anode and cathode which consists of diamond.

NEBEL C E, HOFFMANN R, ROSCHER S, ROSCHNER S, HOFFMAN R

Production of graphene sheet used for e.g. electron field emitter, involves forming carbonaceous powder by electrochemical erosion of graphite electrode in molten salt, recovering carbonaceous powder, and heating carbonaceous powder.

FRAY D, KAMALI A R, KAMALI A, FREY D