国家/地区 中国（7）
IPC部 C（7）
IPC大类 C01（7）
IPC小类 C01B（7）
IPC C01B032/23（7）
发明人 QU Y（7）
公开年 2021（4） 2022（2）
申请年 2020（6） 
专利权人 SIXTH ELEMEN.（6） NANTONG SIXT.（5）

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

Purifier for use in graphene oxide production device, has shell whose side wall located at lower cone is provided with inlet, where shell is set as structure connected by upper cylinder and lower cone.

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

Preparation of high-efficiency graphene oxide or graphite oxide, involves adding concentrated sulfuric acid, graphite, potassium permanganate and water to reaction kettle, reacting, leaving still, and purifying to remove sulfuric acid.

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

Preparing graphene oxide or graphite oxide comprises e.g. adding concentrated sulfuric acid, graphite, potassium permanganate and water into reaction kettle, stirring and controlling reaction temperature and reaction time and purifying.

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

Preparing graphene, comprises mixing graphite and benzoyl peroxide and heating, mixing graphite oxide with ammonium bicarbonate, grinding, placing mixture in microwave device for reaction, and washing and drying the reaction material.

QU Y

Preparation of carbon black and graphene powder composite conductive agent used for lithium iron phosphate anode material comprises oxidizing graphite to graphite oxide, adding carbon black powder, and reducing.

ZHANG Y, GE M, MA Y, ZHANG L, YIN S, CONG X, ZHANG J, GAO P, QU Y