国家/地区 中国（26） 韩国（8） 日本（7） 世界知识产权组织（7） 欧洲专利局（EPO）（6） 美国（6） 加拿大（3） 澳大利亚（2） 巴西（2） 印度（2）
IPC部 C（33）
IPC大类 C01（33）
IPC小类 C01B（33）
IPC C01B032/194（33）
发明人 YANG S（3） JANG B（2） KANG S（2）
LIU Z（2） ROSCHER S（2） WOO P S（2）
公开年 2022（8） 2021（7） 2020（6） 2023（6） 2018（3） 2017（2）
申请年 2022（10）  2020（6）  2021（5）  2018（3）  2023（3）  2019（2） 
专利权人 QUJING HUAJI.（3） UNIV ZHEJIAN.（3） FRAUNHOFER G.（2） MEXPLORER CO.（2）

Method for preparing graphene-based composite binary metal sulfide electro catalyst useful in electrocatalytic hydrogen evolution reaction, comprises e.g. adding ferrous chloride, ammonium heptamolybdate and thin layer graphene sheet into deionized water, and dispersing.

ZHU J, WANG C, ZHU D, BI H

Method for preparing graphene electrode taking carbon dioxide reduction product as carbon source, involves adding polyacrylonitrile to N, N-dimethyl formamide to obtain precursor solution, and carrying out electro-catalytic reduction to carbon dioxide gas source to obtain gaseous product.

YAN W, GAO F, WANG W, GAO S, WANG Y, YANG G, WANG F

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

Preparing graphene-activated metal oxygen evolution electrocatalyst for preparing hydrogen, by using graphite-based material as electrode in two-electrode system, and solution containing sulfate ions as electrolyte, applying voltage, freeze-drying graphene, drip-coating on metal electrode and drying.

HOU Y, LIU Z

Preparing wrinkled graphene-based single-atom catalysts used for e.g. electrocatalytic process by preparing graphene oxide suspending solution, mixing with metal precursor solution, atomizing and pyrolyzing, calcining corrugated spherical graphene oxide-based metal single-atom catalyst.

HE G, YE G, FEI H

Photoanode used for photoelectrochemical decomposition of water and oxygen evolution, comprises base layer, dielectric passivation layer and sandwich composite layer arranged in sequence.

GONG J, XIE G

Preparing foamed nickel-supported graphene composite layered heterogeneous structure catalyst useful in electrolytic water hydrogen production, comprises e.g. adding ammonium tetrathiomolybdate to graphene oxide suspension, reacting, separating and purifying.

ZHAO W, LU W, FENG K, CHEN C, LUO Y, YU F, WANG J

Preparing graphene/nickel-cobalt phosphide film useful in self-supporting electrode material of electrolytic water, comprises obtaining natural graphite, concentrated sulfuric acid and potassium permanganate, carrying out solvothermal reaction and subjecting film to high temperature phosphating.

LI K, WU Q, JU A

Preparation method of graphene material dispersion liquid, involves removing low viscosity solvent from second dispersion obtained to obtain graphene material dispersing liquid.

DAI Q, SHEN J, LI H

Preparing graphene by exfoliating graphite-type material by confinement electrochemical method, comprises preparing mixed electrochemical stripping solution, wrapping confined metal, pre-stripping at constant voltage, filtering and washing exfoliated graphite material and freeze-drying.

LIU W, FU H, SUN Y, LIU Z, YIN J, HU L, SHI Z, GAO B