国家/地区 中国（13）
IPC部 C（13）
IPC大类 C01（13） B82（2） C09（2）
IPC小类 C01B（13）
IPC C01B032/196（13）
发明人 LIU X（3） ZHANG J（3） JIA K（2）
LI Y（2） LIU Y（2） LIU Z（2）
PENG H（2） SUN L（2） WANG K（2）
WU L（2）
公开年 2018（9） 2019（4）
申请年 2018（13）
专利权人 BEIJING GRAP.（2） UNIV PEKING（2）

Cleaning method of graphene comprises rolling the surface of graphene through curved body provided with adsorbent on curved surface.

LIU Z, PENG H, SUN L, LI Y, LIU X, LIN L, ZHANG J, JIA K

Cleaning graphene surface for preparing clean graphene used in e.g. transparent electrode, involves providing carbon nanomaterial, contacting nanomaterial with graphene surface, applying pressure and separating nanomaterial from graphene.

LIU Z, PENG H, LI Y, SUN L, WANG K, ZHANG J, JIA K, LIU X

Method for removing sulfur from graphene involves adding water, auxiliary solvent and hydrogen peroxide to graphene to form graphene dispersion, heating and washing.

ZHOU Y, LIU G, WU Z

Graphene material cleaning method involves settling produced graphene material solution, obtaining graphene material slurry, mixing with water and concentrated acid, dispersing, centrifuging, and obtaining graphene material thick slurry.

LI C, ZHANG Z, ZHAO Y, WU K, CHENG J

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