国家/地区 中国（27） 韩国（26） 美国（23） 日本（17） 世界知识产权组织（14） 欧洲专利局（EPO）（4） 印度（3） 俄罗斯（3） 澳大利亚（2） 巴西（2） 加拿大（2）
IPC部 B（62）
IPC大类 B01（62） C01（62） B82（20）
C23（17） H01（12） C07（5）
C25（4） A61（3） C02（3）
B05（2） B23（2） B32（2）
C30（2） D01（2）
IPC小类 B01J（62）
IPC B01J023/755（62）
发明人 MATSUMOTO T（4） WANG D（3） ZHANG J（3）
ARBUZOV A A（2） CHEN S（2） CHOI J（2）
CHOI J Y（2） FURSIKOV P V（2） HAYASHI K（2）
IFUKU R（2） IN Z（2） JUNG H（2）
KIM H（2） LEE S J（2） LIU X（2）
公开年 2021（9） 2014（8） 2022（8） 2017（7） 2013（6） 2012（5） 2016（5） 2018（4） 2020（4） 2009（2） 2011（2）
申请年 2016（9）  2012（8）  2020（7）  2021（7）  2011（5）  2014（5）  2017（5）  2019（4）  2022（4）  2013（3）  2008（2）  2015（2） 
专利权人 SAMSUNG ELEC.（5） HANWHA TECHW.（4） TOKYO ELECTR.（4） HANWHA AEROS.（3）
SAMSUNG TECH.（3） FUJITSU LTD（2） KOREA ADVANC.（2） UNIV HANYANG.（2）
UNIV MEIJO（2）

Preparing nano-nickel catalyst used for producing hydrogen from low-temperature liquid-phase formic acid, involves performing in situ growth of nickel-based organic framework compound nickel-metal-organic framework- reduced graphene oxide precursor on graphene oxide by hydrothermal process.

CHEN X, JIA L

Producing multilayer graphene involves recrystallizing catalyst film by performing heat treatment of heating catalyst film containing iron and nickel in atmosphere containing hydrogen, and another atmosphere containing hydrogen and hydrocarbons to form stacked graphenes.

HAYASHI K

Metal catalyst layer used for producing graphene, laminated and crystallized on c-plane of substrate having corundum structure, having face-centered cubic structure.

NARUTSUKA S, NAKAJIMA R

Preparing cobalt based double metal oxide loaded graphene quantum dots composite photocatalyst, comprises e.g. preparing metal-cobalt-oxide compound, then mixing with carbon source small molecular substance, transferring to polytetrafluoroethylene reaction kettle, reacting, filtering, and drying.

LIU X, XU J

Photocatalyst for use as denitrification catalyst for removing nitrate ion, and processing water, comprises titanium dioxide particle comprising titanium dioxide, carbon material located on all or portion of surface of titanium dioxide particle and comprising graphene, reduced graphene oxide.

LEE S, CHOI W, CHOIWEONYONG, BI L S

Preparation of photocatalyst composite material for preparing photocatalytic film for reducing carbon dioxide, involves using cobalt compound, nickel compound and three-dimensional porous palm-leaf-like graphite carbon framework, as precursor, and calcining obtained precursor in air atmosphere.

ZHAO Y, HE L

Paste type hydrogen storage material, prepared by mixing hydrogen-rich liquid organic hydrogen carrier, solid sodium aluminum hydride, nickel-based catalyst precursor, titanium-based catalyst precursor and catalyst carrier.

LI X, ZHENG J, XIE L, YU H, WU Y

Transition metal single atom catalyst preparation method comprises mixing transition metal chloride, metal alkyl compound, carbon material and organic solvent under inert atmosphere protection, ultrasonicating, separating, and vacuum drying.

PAN H, GAO M, REN Z, LIU Y

Preparing magnetic graphene composite nano-wire used in battery electrode by mixing graphene oxide, metal salt and deionized water to obtain suspension, under assistance of magnetic field, mixing suspension with reducing solution, and evaporating to dryness.

YING Z, FANG H, YAN L, WANG X

Hydrogen-producing co-catalyst used in photocatalytic system, prepared by adding graphene oxide to water, performing ultrasonic treatment, adding cobalt chloride to the graphene oxide suspension, stirring, freeze-drying, performing calcination and cooling naturally.

LI L, LU C, TAHIR N, WANG Y