国家/地区 中国（33）
IPC部 C（28） G（4） B（3）
IPC大类 C01（26） G01（4） B01（2）
C25（2）
IPC小类 C01B（26） G01N（4） C25B（2）
IPC C01B032/198（19） C01B032/184（6） C01B032/23（5）
C01B032/192（3） C01B032/194（3） C01B032/215（2）
C25B001/135（2）
发明人 TANG R（33）
公开年 2021（12） 2022（10） 2017（4） 2023（4） 2020（2）
申请年 2020（15）  2021（5）  2017（4）  2019（4）  2022（4） 
专利权人 SIXTH ELEMENT CHANGZHOU MATERIALS TECHNO（33）

Preparation of single-layer graphene oxide for e.g. microelectronics, involves adding pretreated graphite powder to intercalation agent to obtain suspension, drying, sieving, adding oxidizing agent for intercalation reaction, separating, dispersing filter cake, adding quenching agent and separating.

QU Y, TANG R, YIN S, WU Y, ZHENG Y, YUAN H, ZHU Y

Preparing oxidized graphene by recycling oxidant, involves adding pre-processed graphite powder and intercalating agent, adding oxidant to completely dissolve, and adding hydrogen peroxide to not generate bubbles,carrying out solid-liquid separation to the oxidized graphene suspension,centrifuging.

QU Y, ZHENG Y, TANG R, WU Y, YUAN H, ZHU Y

Preparing graphene oxide involves mixing graphite with concentrated sulfuric acid, adding expansion agent, vacuumizing, reacting under vacuum, adding oxidant, reacting, filtering and washing.

QU Y, TANG R, SUN X, QIAN C, JI L

Removing impurities, used in hydrogen halide reduction-oxidation graphene film, involves using hot water to fumigate or multiple times to act on oxidized graphene film of hydrogen halide reduction, making water molecule enter into interlayer of graphene oxide, extruding halogen element to interlayer.

QU Y, GENG B, ZHANG J, GE M, TANG R, WU Y

Electrode device for use in preparation system of graphene, has fixing piece connected on supporting piece, where supporting piece and fixing piece and oxidation graphene film are surface-contact.

TANG R, FANG G, JI L, CUI G, LIU Z, SUN X

Auxiliary preparation device of graphene film coiled material used in electrolytic device, comprises first supporting part sleeved on second supporting part, where one side of first part close to second part is used for coating graphene.

QU Y, TANG R, JI L, CUI G, SUN X, LIU Z

Preparing oxidized graphene by recycling acid involves obtaining the waste acid filtrate produced by preparing graphene oxide, then evaporating, concentrating and demineralizing waste acid filtrate to obtain recovered acid.

QU Y, TANG R, JI L, WU Y, YIN S, GUO L

Preparing graphene oxide film, comprises e.g. dispersing nano metal particles in deionized water, adding well-dispersed nano metal solution into graphene oxide slurry, and coating graphene oxide aqueous slurry compounded with metal elements on substrate and drying.

QU Y, TANG R, FANG G

Graphene oxide slurry with high solid content used for preparing amino acid modified graphene oxide film, comprises solvent, graphene oxide and amino acid, and is prepared by adding amino acid into graphene oxide dispersion liquid and then uniformly dispersing.

QU Y, ZHANG J, GENG B, FANG G, TANG R, WU Y

Graphene oxide slurry for graphene oxide film, comprises aromatic compound and graphene oxide.

QU Y, FANG G, KANG L, XU Y, WU Y, TANG R