国家/地区 中国（11）
IPC部 C（11） B（4）
IPC大类 C01（11） B82（2） C09（2）
IPC小类 C01B（11） B82Y（2） C09K（2）
IPC C01B032/196（11）
发明人 LIU Y（2） SHAO R（2） WU L（2）
ZHU Y（2）
公开年 2018（11）
申请年 2018（9）  2017（2） 
专利权人 NANJING XUYU.（2）

Separation of graphene, by preparing expandable graphite, drying, soaking dried graphite in aniline, filtering, washing filtrate, drying to obtain graphene, adding absolute ethanol, removing top layer of graphene, and drying.

CHAI L

Purifying graphene involves dissolving graphene to be purified in organic solvent to obtain mixed solution of graphene, placing electromagnet suspension on graphene in mixed solution.

WU L, HUANG L

Chemical reduction filter for preparing graphene, comprises working tank provided with working chamber and fetching opening, filter plate, bracket, base, box door, output pipe provided with control valve, and electric telescopic rod.

Device for purifying liquid containing graphene, has liquid raw solution channels between filter elements that are connected in series to pressure pump, valve, raw material storage tank, and purification liquid recovery tank.

DAI J, DAI Z

Graphene separation and purification involves adding solvent to pulverized high-temperature carbonized product powder, dispersing at high speed to obtain mixed solution, and then separating mixed solution by centrifugation.

WU L, ZHANG J, HU Y, LIU Y, SHU S, XU J, LIU J, SONG Q, HUANG Z

Separating graphene comprises placing graphite alkene material into liquid, subjecting initially graphene to Brownian motion, forming upper graphene, middle graphene and underlying graphene, taking and drying.

KONG X

Ultra-small blue-green double-emitting nitrogen- and chlorine-doped graphene quantum dot prepared by e.g. dissolving citric acid and 1,2,4-triaminobenzene dihydrochloride in deionized water, stirring and reacting.

YANG L, SUN X, WEI M, LIU X, LIU H, YANG W

Device useful for purifying graphene oxide solution comprises e.g. reaction tank and filter box which is disposed on the right side of the reaction tank. The reaction tank and the filter box are connected by liquid passing hole.

DENG J, LIN Y, ZOU H

Separating and purifying graphene quantum dots by using a molecular sieve comprises e. g. mixing the initial graphene quantum dot solution and the molecular sieve to obtain a reactant, centrifuging the reactant and adding desorbing agent.

CHEN A, LIU Y, QI P, WANG K, WANG X

Preparing graphene composite film comprises mixing graphite and strong oxidant, adding organic polymer flocculant polyacrylamide, stirring to obtain a graphite emulsion-I, passing through a sieve to obtain a graphite emulsion-II.

ZHU Y, SHAO R