国家/地区 中国（15）
IPC部 C（15）
IPC大类 C01（15）
IPC小类 C01B（15） B01D（2） C25B（2）
IPC C01B032/196（15）
发明人 LI J（3） YANG S（3） LI Y（2）
ZHANG W（2）
公开年 2022（12） 2023（3）
申请年 2022（15）
专利权人 QUJING HUAJI.（2）

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

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 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

Processing method of copper-containing graphene powder, involves mixing oxidized acid liquid and graphene cake, performing chemical corrosion, removing residual copper, and obtaining pure graphene powder.

JIN H, ZHANG W

Graphene waste separating device for waste battery, has machine frame provided with discharging hopper located below filtering hole plate, where lower part of discharging box is provided with graphene storage box.

ZHOU Z, YANG B

Graphene purifying device has purifying box whose bottom is slidingly connected with baffle plate and is fixedly installed with top portion of purifying pipe.

LI J, ZHAO Q, ZHAO B

Preparing graphene powder used as additive material in field field-effect transistor integrated circuit, single molecule detector and transparent conductive film, involves using chemical vapor deposition process to grow graphene on the mixture of magnesium oxide powder and copper powder.

ZHUANG Y, GAO X, FU X, LI L, YANG Q, WANG Y, ZHANG L