国家/地区 中国（116）
IPC部 C（116） B（35） H（10）
G（7） A（3） D（2）
IPC大类 C01（116）
IPC小类 C01B（116）
IPC C01B032/196（116）
发明人 LI Y（6） LIU X（6） LIU Y（6）
LIU Z（6） ZHANG J（6） LIU H（5）
LI J（4） LIU J（4） YANG S（4）
ZHANG W（4） ZHANG Z（4） HU Y（3）
JIA K（3） LIU S（3） SUN L（3）
公开年 2021（28） 2022（21） 2017（16） 2020（16） 2018（11） 2019（8） 2023（7） 2016（3） 2014（2） 2015（2）
申请年 2020（25）  2021（23）  2022（15）  2018（13）  2019（12）  2017（11）  2016（8）  2014（5） 
专利权人 NANJING XUYU.（4） QUJING HUAJI.（3） UNIV PEKING（3） BEIJING GRAP.（2）
SHANDONG OUB.（2） UNIV HEBEI T.（2） UNIV WUHAN S.（2）

Energy-saving and recyclable graphene purification processing method involves mixing graphite material with strong acid and strong oxidant solution, and inserting oxygen-containing functional group between layers of graphite.

LIU S, ZHANG X, YUAN Q, WEN Z

Preparing and purifying nanoparticles of plasma ammoniated graphene-magnetic core structure, comprises placing nanoparticles of graphene-magnetic core structure in processing chamber, carrying out ammonia modification of nanoparticles, and removing non-magnetic free graphene.

LI Y, WANG M, MA Z, WANG Q

Device used for extracting graphene, consists of stirring tank connected with feed tank and water tank, circulation pump connected to side of stirring tank through pipeline, pneumatic diaphragm pump, pressure filter device, oxidation catalytic device and filter device.

ZHAN Z

Removing metal impurities in carbon material involves performing heat treatment, mixing carbon material and metal salt, and sequentially washing heat-treated mixture with acid and washing with water to obtain purified carbon material.

ZHU S, LI Y

Usage method of organic acid in preparation of graphene, involves soaking mixed product containing crude graphene in deionized water, adding organic acid to suspension, washing with deionized water and ethanol, centrifuging, placing precipitate in oven for drying to obtain graphene.

ZENG H, SHEN H, ZENG G

Direct manufacture of graphene from anthracite involves mixing pulverized coal sample of anthracite and copper chloride and drying to obtain mixed pulverized coal, grinding and irradiating to obtain coarse product of coal-based graphene, separating crude graphene product and purifying.

DONG W, LI J, ZHANG J, NIU H, KANG J, CHEN C, HUANG J, LI K

Removing impurities, used in hydrogen halide reduction-oxidation graphene film, involves using hot water to fumigate or multiple times to act on oxidized graphene film of hydrogen halide reduction, making water molecule enter into interlayer of graphene oxide, extruding halogen element to interlayer.

QU Y, GENG B, ZHANG J, GE M, TANG R, WU Y

Removing poly(methyl methacrylate) on graphene surface involves carrying out metal surface etching on the copper-based monolayer graphene that is coated with poly(methyl methacrylate), and obtaining poly(methyl methacrylate)/graphene film.

ZHAO X, LI Y, SUN L, WANG P, ZHANG X, GUO X, YU F

Preparing magnetic graphene quantum dot for preparing imaging contrast agent and in-vitro diagnostic probe, involves subjecting ferrous ascorbate aqueous solution to hydrothermal reaction, where contrast agent is nuclear magnetic resonance-fluorescence double-mode enhanced imaging contrast agent.

XIE X, DING G, DONG H, YANG S, LI Y

Super-critical cleaning method for deeply purifying supercapacitor porous carbon material, involves using super-critical carbon dioxide cleaning depth for removing metal and non-metal impurities, super capacitor comprises active carbon, microporous carbon, mesoporous carbon, carbon nanotube,graphene.

CHEN Z, LV A, WU R, WANG B, ZANG X, YE X