国家/地区 中国（9）
IPC部 C（9）
IPC大类 C01（9）
IPC小类 C01B（9） C09K（9） C01G（7）
H05K（6）
IPC C09K003/00（9）
发明人 GUO Y（2）
公开年 2022（7） 2023（2）
申请年 2022（9）
专利权人

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 three-dimensional oriented porous airgel loaded hollow oxide nanocube useful in field of wave absorption, comprises e.g. carbonizing chitosan/graphene oxide airgel, loading zeolitic imidazolate framework-67 nanocube on airgel, and processing airgel using solution containing metal ions.

MAN Q, ZHUANG X, WU Q, PAN L, GAO Y

Preparing polydicyclopentadiene-based carbon nanotube/graphene nanosheet aerogel flame-retardant electromagnetic shielding composite material, by dissolving chitosan, dispersing carbon nanotubes and graphene nanosheets, freeze-drying, mixing flame retardant with dicyclopentadiene, and polymerizing.

FAN B, SONG J, SONG T, GAO S, CHEN X, YANG L, CHEN L, LING J, WANG P

Preparing graphene iron oxide-silicon dioxide composite particle, involves adding gelatin into water, adding aqueous phase into oil phase, spraying silicon dioxide aqueous solution and absolute ethanol dispersion of phenolic resin on preheated graphene iron oxide composite particles, and drying.

YE X, HE E, YIN S, WU H, DING D, YE Y

Preparation of microwave absorbing material involves adding nano-cobalt ferrite and nano-silicon carbide particles to multi-layer graphene oxide aqueous solution, reacting with ethylene glycol, centrifuging, drying, mixing with paraffin, pressing, and testing its electromagnetic parameter.

ZHENG W, YU S, HU C, WANG J, TIAN H

Preparing magnetic metal/graphene wave-absorbing material based on chemical vapor deposition comprises placing cobalt ferrite nanoparticle in methane atmosphere, carrying out chemical vapor deposition reaction, and cooling.

BAO S, JIANG Z

Preparing three-dimensional magnetic reduced graphene involves adding certain size of graphite oxide into dispersion liquid, stirring, mixing, adding reducing agent, mixing uniformly to obtain first mixing system, adding iron ion source to obtaind first mixed system, and dispersing ultrasonically.

ZHOU Y, GUO T, DING Z, CHEN J, NIU F, ZHANG S, YAN H, HAO G, GUO Y, HUI Z, WANG Y

Multi-band composite electromagnetic wave absorbing material useful in C wave band, X wave band and Ku wave band, comprises tin dioxide containing oxygen vacancies and reduced graphene oxide.

JIANG D, ZHONG B, GE K, AN Y, LI T, HUANG X, XIA L

Preparation of nickel ferrite-lesser layer graphite broadband wave absorbing powder material by preparing hydrogen peroxide suspension of carbon material, adding e.g. nickel nitrate hexahydrate, shearing, and hydrothermally reacting.

TANG L, XUE P, YUAN G, XU J, OU W