国家/地区 中国（245）
IPC部 C（245） B（60） H（41）
G（9） D（6） F（5）
A（3） E（2）
IPC大类 C01（245） H01（36） B82（26）
B01（20） C09（14） C08（13）
C25（10） G01（8） H05（8）
B02（7） C10（5） B22（4）
B29（4） C22（4） D01（4）
IPC小类 C01B（245）
IPC C01B032/19（245）
发明人 ZHANG L（15） LIU Z（14） WANG H（12）
ZHANG J（12） LI X（10） LIU K（10）
CHEN J（9） HUANG Y（9） LI J（9）
WANG X（9） XU J（9） ZHANG X（9）
JIANG J（8） LI L（8） LI Q（8）
公开年 2021（128） 2020（106） 2022（11）
申请年 2020（245）
专利权人 UNIV GUANGXI.（7） UNIV SHAANXI.（6） SINOSTEEL NA.（5） UNIV GUANGDO.（5）
UNIV HANGZHO.（5） SHANDONG WOX.（4） UNIV SOUTHWE.（4） BEIJING QING.（3）
CHINA PETROL.（3） DEYANG CARBO.（3） INST PROCESS.（3） SHANDONG HUA.（3）
SINOPEC BEIJ.（3） SINOSTEEL NE.（3） UNIV ZHEJIAN.（3） FEI Z（2）
GUANGDONG KO.（2） GUANGXI LIUG.（2） LANZHOU CHEM.（2） LG CHEM LTD（2）

Preparation of graphene involves growing graphene film on growth substrate, setting viscose layer on surface of graphene film, removing growth substrate and using water or cleaning organic solvent, and etching away from surface film.

FAN S, LI Q, JIN Y, ZHANG L, ZHANG T

Graphene micro-platelet aggregate useful in energy storage material, and environmental engineering, formed by aggregation of graphene micro-platelets, where graphene micro-platelet aggregate has layered structure microscopically.

ZHAO X, SU K, YANG Y, WU B

Preparing graphene by liquid phase exfoliation, comprises dissolving polyvinylpyrrolidone in anhydrous alcohol, mixing flake graphite powder and concentrated aqueous ammonia or ammonium bicarbonate, mixing mixture of graphite powder and alcohol, and carrying out ultrasonic dispersion treatment.

WEN G, LIU T, WANG X, HUANG M

Graphene used in sensor, electronic component and biomedicine, is prepared by mechanical peeling method, that includes crushing and grinding in closed apparatus with grinding discs inside, and further centrifuging, distilling and drying.

HU C, GUO Z, JIANG C, ZHANG H, SONG Z, ZHANG J, HAN P, RU Y, JIANG H, LAI J, CAI C, LI B, QI G, ZHANG X, WANG X

Graphene used in sensor, electronic component and biomedicine, prepared by mechanical exfoliation method.

ZHANG X, ZHAO Y, ZHANG J, RU Y, SONG Z, LI B, JIANG C, CHEN X, ZENG X, QI G, WANG X

Grinding disc device for preparing graphene, has sealed kettle body with air inlet and discharging outlet, where inner part of kettle body is provided with rotating component for driving grinding disc component to rotate, stirring paddle located below lower grinding disc, and baffle.

ZHANG X, ZHAO Y, ZHANG J, RU Y, SONG Z, LI B, JIANG C, CHEN X, ZENG X, QI G, WANG X

Method for preparing graphene by continuous electric explosion cracking graphite, involves processing graphite fine powder by pulse shock wave, and finishing peeling and obtaining graphene powder material.

FENG S

Preparation method of graphene micro-wafer involves selecting natural crystalline flake graphite as raw material, grinding into powder, using chemical dissolving method, soaking graphite powder, dissolving, and obtaining graphite-alcohol mixed suspension.

WU G

Micro-nano grade graphene useful in energy storage material, environmental engineering, and sensitive sensing, has sheet edge made of graphene oxide and other parts made of graphene.

ZHAO X, YANG Y, WU B

Preparing graphene heat-conducting film used e.g. in mobile phone, comprises reducing graphene oxide film by method of flame firing, performing first compaction treatment on graphene oxide after flame reduction treatment, and carrying out high temperature thermal reduction and second compaction.

SU D, TANG Z, LU J, ZHOU R, ZHOU B