国家/地区 中国（8）
IPC部 C（8）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C01B031/04（6） C01B032/19（2） C01B032/192（2）
发明人 WANG C（8）
公开年 2015（6） 2022（2）
申请年 2015（6）  2022（2） 
专利权人 UNIV QINGDAO SCI TECHNOLOGY（8）

Continuously producing graphene involves using two sections of tubular reactors for intercalation-micro oxidation reaction, mixing crystalline flake graphite with concentrated sulfuric acid in first section of tubular reactor, then adding potassium permanganate to perform secondary reaction.

WANG C, YIN J, GENG S, QIN H, YANG S, HAN M, ZHANG Y, LIU Y, YANG K

Producing graphene by gas-phase stripping method involves using flake graphite to carry out mixing reaction with concentrated sulfuric acid at low temperature, and collecting and washing solid powder with acid and water to obtain graphene product.

WANG C, YIN J, GENG S, QIN H, YANG S, HAN M, ZHANG Y, LIU Y, YANG K

Preparation of high-quality graphene conductive film involves centrifuging aqueous solution of graphene, redispersing in solvent, obtaining dilute dispersion of graphene, ultrasonically processing, polishing graphene film and heating.

LIU R, WANG C, ZONG C, ZONG Y

Manufacture of graphene ethanol solution used in e.g. graphene coating, involves filtering N-methylpyrrolidone graphene dispersion having uniform controlled diameter size, drying, redispersing in ethanol and filtering.

LIU R, WANG C, ZONG C, ZONG Y

Preparation of graphene involves dissolving graphite oxide in acetic acid solution, adding hydroiodic acid, stirring, filtering resultant solution, washing obtained cake and drying.

LIU R, WANG C, ZONG C, ZONG Y

Preparation of high quality graphene comprises mixing graphite, concentrated sulfuric acid and potassium permanganate, magnetically stirring, adding water and adding hydrogen peroxide solution, and vacuum drying.

LIU R, WANG C, ZONG C, ZONG Y

Preparation of graphene dispersion liquid involves forming layered graphite using e.g. natural graphite flakes, immersing in volatile acid aqueous solution, filtering, adding to solvent containing surfactant and ultrasonically peeling.

LIU R, WANG C, ZONG C

Preparation of high-conductivity graphene film by adding concentrated sulfuric acid and phosphoric acid to natural crystalline flake graphite and potassium permanganate, stirring, reacting, completely dissolving ice, filtering and washing.

LIU R, WANG C, ZONG C, ZONG Y