国家/地区 中国（8）
IPC部 C（8）
IPC大类 C01（8）
IPC小类 C01B（8）
IPC C01B032/194（8）
发明人
公开年 2023（8）
申请年 2022（5）  2021（2） 
专利权人

Preparing magnetic fluorescent graphene, involves grinding graphite flakes and stainless steel needles magnetically, oxidizing with concentrated nitric acid and concentrated sulfuric acid, then ultrasonicating, calcining, dissolving in deionized water, suction filtering, dialyzing, and freeze-drying.

SONG Z, LI J, LIU Y, ZHAO Z, ZHANG B

Preparing graphene heat-conducting silicone grease comprises e.g. adding graphite into ultrapure water, stirring, using mechanical stripping process to obtain graphene slurry, filtering to get filter cake, adding transfer solvent, stirring, and utilizing transfer solvent to wash graphene slurry.

MA Y, LI Y, FENG J, LI X, LIU H

Preparing metal nitrogen-doped graphene quantum dot composite material useful e.g. for preparing ammonium perchlorate catalyst, by e.g. dissolving organic acid and organic amine in solvent, carrying out hydrothermal reaction, adding soluble metal salt, dialyzing, and freeze-drying.

YIN Z, WANG Y, JIANG L, FU X, XU J, NIE F

Tungsten bronze heat-insulating particles comprises tungsten bronze, and carbon material layer coated on surface of tungsten bronze, where carbon material layer includes graphene and carbon nanotubes.

YU Z, LU D, TANG X

Preparation of graphene-coated glass micro-powder used as phase change heat absorber, involves dispersing oxidized graphene in pure water, adding glass micro-powder, stirring, adding ammonium bifluoride solution, reacting, reducing oxidized graphene, washing generated gel, and drying.

WANG J, LU Y, GE M, ZHANG F, CUI D

Preparing modified graphene quantum dots involves mixing graphene oxide, hydrogen peroxide and N,N dimethylformamide, subjecting resulting dispersion to solvothermal reaction to obtain GQDs (graphene quantum dots), mixing GQDs, 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride.

WU L, CAI F, CHEN G, GUO Y, ZHAO Q

Preparing ultra-high elastic polyimide fiber/graphene composite gas gel comprises e.g. dispersing polyimide chopped fiber in alkali solution, performing surface modification, mixing graphene solution dispersion liquid with polyimide chopped fiber, dialyzing, freezing and drying.

FENG Y, YIN W, FENG W

Preparing graphene nanofluids by microwave-coupled ultrasonic one-step method comprises immersing graphene precursor in solvent, pre-mixing, placing mixture in microwave reactor with ultrasonic function, carrying out microwave heating liquid phase exfoliation and adjusting appropriate pH.

QI G, GUO S, CHENG S