国家/地区 中国（11）
IPC部 C（11）
IPC大类 C01（11）
IPC小类 C01B（11）
IPC C01B032/17（11）
发明人 LI Y（2）
公开年 2021（4） 2022（2） 2023（2）
申请年 2021（5）  2020（2）  2022（2） 
专利权人 UNIV PEKING（2）

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

Method for manufacturing clean surface carbon nano-tube for use in nano-electronics field, involves preparing a multi-wall carbon nano tube, cutting outer tube of multi-wall carbon nano tube, and exposing clean inner tube to obtain carbon nano-tube with clean surface.

CHEN Y, 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

Preparing reduced graphene oxide layered film comprises e. g. mixing sodium polystyrene sulfonate and multiwall carbon nano-tube in distilled water according to predetermined proportion, stirring and ultrasonically dispersing uniformly to obtain liquid, and centrifuging uniform dispersion liquid.

YE H, ZHOU W, ZANG S, WU Y, YUAN Z

Recycling of nano-carbon material used in e.g. petroleum industries, involves placing magnesium-based composite material in crucible, heating, solidifying, soaking ingot in aqueous solution, drying and filtering.

WANG X, LI X

Method for preparing graphene-carbon nano-tube composite material useful as conductive additive in lithium ion battery comprises adding graphene oxide material completely oxidized into diluted acid solution, and performing acid washing operations.

ZHENG T, ZHANG M, MAO O, YE Z, CHENG L, XU H

Purifying water-dispersible carbon nanomaterial by adding sample of carbon nanomaterial flat-bottomed flask, adding potassium dichromate and sulfuric acid, heating, filtering dark green solution, drying carbon nanotubes, adding carbon nanomaterials to inorganic salt/alkali solution and centrifuging.

ZHAO F, XIE Y, WANG Z, YUAN Y

Optimizing loop-mediated isothermal amplification reaction by preparing graphene quantum dots and carbon nanotubes, preparing amplified product, selecting product, designing amplification primers, amplifying and completing optimization.

WANG Y, TENG X, FU R, YANG H, BAO C

Treatment process for reducing exposure and cracking of willow-knitted product, by adding pretreated carbon nanotubes to graphene oxide aqueous dispersion, and ultrasonically treating to obtain willow-knitted raw material treatment liquid.

XU X

Graphene fluoride nanobelt preparation involves fluorinating anhydrous carbon nanotubes in fluorine gas atmosphere to obtain fluorinated graphene nanobelt, where carbon nanotubes are single-walled carbon nanotubes.

FENG W, PENG C, FENG Y