Kupanga mphamvu zaukhondo ndi zongowonjezwdwa ndi njira yaikulu yotukula dziko lathu pa chitukuko cha chikhalidwe ndi zachuma.M'magulu onse aukadaulo watsopano wamagetsi, kusungirako mphamvu zama electrochemical kuli ndi malo ofunikira kwambiri, komanso ndi nkhani yotentha kwambiri pakufufuza kwasayansi kwamakono.Monga mtundu watsopano wa zinthu ziwiri-dimensional dongosolo conductive, ntchito graphene ali ndi tanthauzo lofunika kwambiri ndi kuthekera kwakukulu chitukuko m'munda uno.

Graphene ndi imodzi mwazinthu zatsopano zomwe zimakhudzidwa kwambiri.Mapangidwe ake amapangidwa ndi ma symmetrical, zisa zam'munsi.Doping yokhala ndi ma atomu osawerengeka ndi njira yofunika kwambiri yowonongera mawonekedwe a symmetric ndikuwongolera mawonekedwe ake.Maatomu a nayitrojeni ali ndi kukula kofanana ndi kwa maatomu a carbon ndipo ndi osavuta kuti alowetsedwe mu lattice ya graphene.Chifukwa chake, doping ya nayitrogeni imakhala ndi gawo lofunikira pakufufuza kwa zida za graphene.Kulowetsedwa ndi doping kungagwiritsidwe ntchito kusintha zinthu zamagetsi za graphene panthawi ya kukula.

      Graphene yodzaza ndi nayitrogeniakhoza kutsegula mphamvu gulu kusiyana ndi kusintha madutsidwe mtundu, kusintha dongosolo pakompyuta, ndi kuonjezera ufulu chonyamulira kachulukidwe, potero kuwongolera madutsidwe ndi bata la graphene.Komanso, kumayambiriro nayitrogeni munali atomiki nyumba mu mpweya gululi wa graphene kuonjezera yogwira malo adsorbed pa graphene pamwamba, potero utithandize kugwirizana pakati particles zitsulo ndi graphene.Chifukwa chake, kugwiritsa ntchito graphene ya nitrogen-doped graphene pazida zosungiramo mphamvu kumakhala ndi magwiridwe antchito apamwamba kwambiri a electrochemical, ndipo akuyembekezeka kukhala ma elekitirodi apamwamba kwambiri.Kafukufuku omwe alipo akuwonetsanso kuti nayitrogeni-doped graphene imatha kupititsa patsogolo mawonekedwe a mphamvu, kuchuluka kwachangu komanso kutulutsa mphamvu komanso moyo wozungulira wazinthu zosungira mphamvu, ndipo ili ndi kuthekera kwakukulu kogwiritsa ntchito posungira mphamvu.

 

Nayitrogeni-doped graphene

Nayitrogeni-doped graphene ndi imodzi mwa njira zofunika kuzindikira magwiridwe antchito a graphene, ndipo imagwira ntchito yofunika kwambiri pakukulitsa magawo ogwiritsira ntchito.N-doped graphene imatha kusintha kwambiri mawonekedwe amphamvu, kuthamanga mwachangu komanso kutulutsa mphamvu komanso moyo wozungulira wazinthu zosungira mphamvu, ndipo imakhala ndi kuthekera kwakukulu kogwiritsa ntchito makina osungira mphamvu zamagetsi monga ma supercapacitors, lithiamu ion, lithiamu sulfure ndi mabatire a lithiamu mpweya.

 

Ngati mulinso ndi chidwi ndi zina functionalized graphene, chonde musazengereze kulankhula nafe.Ntchito zina zosinthira makonda zimaperekedwa ndi Hongwu Nano.

 


Nthawi yotumiza: Jun-01-2021

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