国家/地区 中国（81）
IPC部 C（81）
IPC大类 C01（81） H01（21） B82（16）
B01（14） C09（10） C08（7）
C07（6） A61（4） B32（4）
C04（4） C25（4） B05（3）
C02（2） C10（2） C23（2）
IPC小类 C01B（81）
IPC C01B032/23（81）
发明人 QU Y（7） GE M（6） WANG B（6）
YIN S（6） ZHANG J（6） TANG R（5）
GAO C（3） LI J（3） VU T（3）
VU T T（3） XU Z（3） ALVAREZALVAREZ A（2）
CABANAS C M（2） CABANAS CORRALES M（2） CABANASCORRALES M（2）
公开年 2017（14） 2016（13） 2021（13） 2015（9） 2018（8） 2020（6） 2022（5） 2013（4） 2023（4） 2014（3）
申请年 2015（14）  2020（14）  2016（9）  2014（8）  2017（8）  2021（7）  2013（5）  2018（5）  2022（4）  2012（3）  2019（3） 
专利权人 SIXTH ELEMEN.（6） NANTONG SIXT.（5） ARCELORMITTA.（3） UNIV CALIFOR.（3）
UNIV ZHEJIAN.（3） ARCELORMITTA.（2） INST METAL R.（2） QINGDAO ZHIX.（2）
UNIV DONGHUA（2） YU R（2）

Cleaning graphite oxide without involving hydrochloric acid, comprises e.g. oxidizing graphite by chemical methods, diluting with water, collecting filter cake, washing filter cake with water, adding water and hydrogen peroxide for slurry, and performing solid-liquid separation.

CHENG H, PEI S, HUANG K, REN W

Oxidation of flake graphite with high efficiency and isothermal gradient, comprises e.g. adding flake graphite into concentrated sulfuric acid in reactor, mechanically stirring, adding potassium permanganate, heating, adding hydrogen peroxide and performing solid-liquid separation.

YANG W, CHEN J

Graphite oxide having specific carbon/oxygen atomic ratio, used for preparing sulfonated oxidation graphene which is stably dispersed in weak electrolyte.

SU F, XU Z, CHEN X

Composite graphite material used in negative electrode of secondary battery, comprises main particles comprising artificial graphite and coating layer comprising amorphous carbon, and has preset air oxidation temperature.

HE L, KANG M, MENG K, HERIVING

Preparation of a fluorinated graphene-modified epoxy resin coating, comprises preparing fluorinated graphene by adopting hydrofluoric acid to react with graphene oxide, and then fluorinated graphene was added to epoxy resin.

FAN H, HAO S, FAN B, QIN X, DONG Z, ZENG J, XUE Z, SHANG J

Preparation method of high-purity oxidized graphene or oxidized graphite involves adding concentrated sulfuric acid, graphite, potassium permanganate and water sequentially in reaction kettle by controlling reaction temperature and reaction time.

QU Y, TANG R, GE M, ZHANG J, YIN S, WANG B

High-efficient device for large scale preparation oxidizing, graphene or graphite, comprises reaction kettle, transferring devices, standing device, purifying device, and collector.

QU Y, TANG R, GE M, ZHANG J, YIN S, WANG B

Dust environment-friendly drying method for extracting graphene, involves crushing two-dimensional crystal with ink material by crusher, and putting cleaned solution into tubular centrifuge to separate residual graphite oxide powder.

YU R

Dust environment-friendly drying technique useful for extracting graphene in material learning, involves crushing two-dimensional crystal with ink material by crusher, and collecting particles after crushing, and using sulfuric acid, nitric acid chemical reagent and potassium permanganate.

YU R

Preparation of low-defect graphene used for e.g. sensor, involves adding flake graphite to reactor filled with vitriol oil, adding potassium permanganate powder, reacting, directly adding hydrogen peroxide solution, stirring, and exfoliating obtained expanded graphite oxide at high temperature.

WANG S, CHEN H