国家/地区 中国（6）
IPC部 C（6）
IPC大类 C01（6）
IPC小类 C01B（6）
IPC C01B032/19（4）
发明人 WANG X（6）
公开年 2022（6）
申请年 2020（6）
专利权人 CHINA PETROL.（4） SINOPEC BEIJ.（3）

Producing hydrogen by pyrolysis and gasification of biomass, comprises passing biomass raw materials and water vapor into reaction unit for reaction, obtaining first gas-phase stream and first solid-phase stream, arranging first, and second catalyst bed and adsorbent bed in sequence and processing.

WU S, ZHANG B, SONG Y, WANG X, WANG 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

Preparing negative electrode material for lithium-ion battery comprising dispersing silicon source, dispersant, and conductive agent in organic solvent, performing secondary granulation, pulverizing, coating third precursor pulverized with organic carbon source.

TIAN Z, WEI L, XU X, WANG X, CAO X, ZHANG C