国家/地区 中国（22）
IPC部 C（16） D（3） A（2）
B（2） G（2）
IPC大类 C01（9） C23（5） A61（2）
C08（2） C30（2） D01（2）
IPC小类 C01B（9） C23C（5） A61B（2）
C08K（2） C08L（2） C30B（2）
D01F（2）
IPC C01B032/186（4） C01B032/194（4） C23C016/26（4）
C08K003/04（2） C23C016/50（2） C23C016/517（2）
发明人 LIU Z（13） CHENG Y（6） PENG H（6）
QI Y（6） LIN L（5） LI J（4）
YAN R（4） ZHANG J（4） GAO X（3）
WANG K（3） CAO Y（2） CHEN Z（2）
CHENG S（2） DING Q（2） DU Y（2）
公开年 2021（9） 2022（8） 2023（5）
申请年 2021（22）
专利权人 BEIJING GRAPHENE INST（22）

Graphene separation film used in total organic carbon analyzer for testing and monitoring of purity of drinking water and process water, comprises support layer and separation layer, which is double-layer graphene film with nanopores.

ZHANG S, SUN J, YAO A, HOU D, ZHANG D, WANG L

Preparing graphene-loaded white carbon black composite material by dissolving sodium silicate, dispersing graphene oxide in water, combining, dispersing, adding to ammonium bicarbonate solution, stirring, adding reducing agent, filtering, washing, drying and performing high-temperature treatment.

CAO J, LIU H

Preparing a metal wafer substrate involves forming metal thin film on the sapphire substrate by magnetron sputtering, and annealing under mixed atmosphere of hydrogen and argon.

PENG H, YANG Y, CAO Y, TANG J, YAN R, DU Y

Composite fiber used in medical field, electronic circuit, super capacitor comprises core material fiber, graphene layer covering core material fiber and hexagonal boron nitride layer covering outside of graphene layer, hexagonal boron nitride layer grown and coated on outside of graphene layer.

CHENG Y, QI Y, JIANG J, LIU Z

Transferring method of film graphene, involves attaching side of graphene film/silicon resin layer/organic adhesive layer/graphene film composite to target substrate, and removing organic adhesive layer with organic solvent, removing metal substrate to obtain polymer film/silicon resin /glue layer.

LIN L, DING Q, ZHONG H, LIU Z

Method for evaluating hydrophilicity of graphene film, involves obtaining topography of water droplets on surface of graphene film by environmental scanning electron microscope and calculating or directly measuring contact angle of water droplet through topography diagram.

ZHANG X, CHEN H, LIU X, LIN L, JIA K, ZHANG J, PENG H, LIU Z

Neutral density filter for shooting, various goggles and other precise optical elements, comprises glass substrate, metal bonding layer provided on glass substrate, and graphene film layer, where graphene film layer is located on metal bonding layer.

HU J, ZHOU F, ZHANG Y

Method for transferring single crystal wafer graphene film to target substrate e.g. silicon sheet, involves removing heat release adhesive tape and each adhesive layer in composite layer after drying obtained heat release tape/auxiliary support layer/terpenoid small molecular layer.

LIU Z, XIE Q, CAI A, YAN R, WANG M, GAO X, LIN L, ZHENG L, HU Z, PENG H

Preparation method of a large domain graphene single crystal, involves annealing sapphire/metal substrate with oxygen-containing gas and providing growth gas according to mode of increasing proportion gradient of growth gas, and growing on sapphire/metal substrate to obtain graphene single crystal.

LIU Z, PENG H, CAO Y, WANG Y, DU Y, TANG J, YAN R

Graphene film used in flexible film electronic and optoelectronic device such as touch screen, solar battery, organic LED and sensor, has specific wrinkle density.

XIE Q, LIN L, MA J, SONG Y, DING Q, ZHANG Y, LIU Z