国家/地区 中国（7）
IPC部 C（7）
IPC大类 C01（5） C25（2）
IPC小类 C01B（5） C25B（2）
IPC C01B032/198（3） C25B001/135（2）
发明人 QU Y（6） JI L（4） TANG R（4）
LIU Z（3） SUN X（3） CUI G（2）
YE C（2） ZHU Y（2）
公开年 2022（6）
申请年 2022（7）
专利权人 SIXTH ELEMENT CHANGZHOU MATERIALS TECHNO（7）

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

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

Graphene flame-retardant conductive polymer composite material useful for gas drainage pipes, comprises high-density polyethylene e.g. grade 100 polyethylene, composite flame retardant, toughening agent e.g. styrene-butadiene-styrene, conductive agent e.g. carbon nanotubes and calcium carbonate.

QU Y, LIU Z, XIE W, WU H, ZONG X

Micro-fluidic reaction system, comprises micro-channel reactor for inputting graphene dispersion liquid and reducing agent solution to mix and react and filtering device for separating solvent containing reduction agent reduction oxidation graphene product.

QU Y, YE C, ZHU Y

System for preparing graphene oxide by spectral monitoring, has micro-channel for inputting graphite and oxidant for mixing and reacting, and spectrometer for measuring spectrum in process of graphite oxidation and obtaining instantaneous conversion rate of graphite oxidation reaction.

QU Y, YE C, ZHU Y