国家/地区 中国（30） 美国（5） 世界知识产权组织（4） 澳大利亚（2） 欧洲专利局（EPO）（2） 日本（2）
IPC部 C（37） H（8） B（5）
IPC大类 C01（37） H01（7） C08（4）
C25（3） B01（2） B05（2）
B82（2） C02（2） C04（2）
C12（2） C30（2） H05（2）
IPC小类 C01B（37）
IPC C01B032/192（37）
发明人 WANG Y（3） XU Z（3） ZHANG Y（3）
ZHU Y（3） GAO C（2） HUANG Z（2）
JI G（2） JIANG J（2） LI Y（2）
MEI J（2） WANG F（2） WANG Q（2）
WU J（2） YANG W（2） ZHANG L（2）
公开年 2021（37）
申请年 2021（37）
专利权人 UNIV PEKING（2）

Preparation method of graphene radiating film for electronic device, involves placing graphene after plating copper in mold, and completing production of graphene heat dissipation film by cold pressing and heat treatment.

CAI X, YANG X

Method for separating graphite flake layer, involves adding potassium permanganate aqueous solution or nitric acid into electrophoresis tank, putting graphite powder into anode region of tank, and introducing direct current to tank.

ZHANG Y

Device for preparing graphene material, has spring whose top is connected to top of sliding rail, and stirring plate moves upwards along sliding rail, when pressing ring moves upwards, under influence of spring.

HUANG Z

Production of polymeric nanocomposite for use in mining industry, involves producing and pre-exfoliating of two-dimensional carbon nanomaterial from graphite oxide paste which comprises pre-exfoliation and simultaneous reduction.

AMURIN L G, MARCOS DANIEL VOZER F, SILVA G G, FERREIRA F L Q, SOARES P H V, SANTOS B F, MIRANDA D C D, VALERIANO J C S, FELISBERTO M D V, MARCOS D V F

Preparing graphene modified metal involves stirring graphite oxide, potassium ferrate, phosphorus pentoxide, sulfuric acid and nitric acid as an intercalation agent, and potassium permanganate as catalytic oxidant to obtain premixed graphite oxide.

XU Z, XU N

Method for preparation of graphene-based electromagnetic meta materia, involves using line scanning model in simulation software, placing conductive material in vacancy of upper surface of first substrate, and preparing graphene oxide.

ZHANG W, WANG Z, NIE W

Preparing graphene aerogel loaded with metal oxide, comprises e.g. forming electrochemical system with electrolytic solution containing graphene and metal ion, performing electrolysis under alternating current electric field, carrying out crosslinking reaction and performing heat.

ZHU Y, DENG X, WANG F, SHEN B, PEI X, LUO Y, CHEN W, CHEN J

Preparing large graphene used in e.g. medicine, involves dissolving potassium persulfate, putting graphite, stirring, oxidizing, centrifuging to obtain graphene solution and expandable graphite suspension, adding expanded graphite to mixed solvent for intercalation and dispersion, and centrifuging.

XIE C, XU Z, XIA G, HAN C, LIU J, ZHANG L, TANG Z, XU L

Improving graphene electrocatalytic hydrogen production activity comprises e.g. performing chemical oxidation of graphite to obtain graphene oxide, performing chemical reduction of graphene oxide using sodium borohydride or hydrazine hydrate and processing reduced graphene oxide.

PENG S, MEI X, LI Y, ZHANG W

Preparing graphene intercalation material involves weighing certain amount of natural graphite through chemical reagent and oxidant for redox reaction to obtain graphite solvent, adding vanadium oxide to graphite solvent, and stirring.

ZHONG T