国家/地区 中国（6）
IPC部 C（6）
IPC大类 C01（6） H01（2）
IPC小类 C01B（6）
IPC C01B032/194（6）
发明人 LIU Y（6）
公开年 2023（6）
申请年 2022（5） 
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

Evaluating number of graphene layers comprises e.g. coating graphene mixed slurry on copper foil, drying, preparing button battery with dried copper foil as electrode sheet of current collector, and estimating number of graphene layers of graphene powder according to charge-discharge curve.

LIU Y, WANG B, SUN L, ZHOU L, SHI X, WANG X, LI B

Preparing fluorinated graphene used as composite heat-conducting film, involves uniformly mixing oxidized graphene with polyvinylidene fluoride, calcining under protection of inert gas, and carrying out fluorination reaction.

GUO S, WANG X, ZHANG L, LIU Y, YUAN X, ZHANG G, HUO J

Preparing oxidation-resistant elastic graphene airgel comprises e.g. soaking elastic graphene aerogel in condensed ring aromatic compound solution, water activation and freeze-drying, atomic layer deposition, annealing, soaking in polydimethylsiloxane solution, and curing and vacuum heat treatment.

HUANG H, WANG P, ZHANG E, CHENG P, LIU Y, LI W, ZHANG W

Preparing high-single-crystal pure single-layer graphene nanoribbon array used for band gap generation of graphene, involves covering surface of substrate with high single-crystal pure single-layer graphene, performing near-field electrospinning direct writing on surface of high-single-crystal.

ZHAN D, GUO W, LIU Y

Composite electrode material of sodium titanate nano-fiber/reduction-oxidation graphene, for preparing sodium ion batteries or sodium batteries, comprises two-dimensional sheet layer structure, where particle diameter of particle, thickness, composed of few layers of reducing and oxidizing graphene.

LIU Y, WAN Y, LI W