Dala ibhethri le-lithium-oxygen elisebenza kahle futhi eliqinile

lithium-oxygen ibhethri

Kusuka ku MIT, IMassachusetts Institute of Technology, isanda kumemezela ukuthi elinye lamaqembu abo ocwaningo likwazile ukuklama ibhethri elisha le-lithium-oxygen lokho kuthuthukisa ngokubonakalayo empilweni elusizo nasekusebenzeni kahle kwamandla kuzo zonke izinhlobo zangaphambilini. Njengemininingwane, uma kuqhathaniswa namabhethri e-lithium-ion, amamodeli e-lithium-oxygen avelela ukunikezela kwabantu abaphezulu kakhulu. Ngokuqondene nedatha enjalo, kufanele kuqashelwe ukuthi elinye lalawa mabhethri lingahle lisebenze kangcono ngama-90%, likhanye kahlanu futhi libe namandla ngokuphindwe kayishumi. Elinye lamaphuzu alo amabi, aqhubeka nokuqhathanisa, ukuthi linikeza kuphela imijikelezo ekhokhiswayo engaba ngu-2.000 XNUMX.

Ngenxa yezimfanelo zayo ezinhle kakhulu, amaqembu amaningi abacwaningi asetshenziselwe ukuthuthukisa lawo maphuzu amabi, kuze kube manje, enza ukuthi kungasebenzi. Ngenxa yemiphumela etholwe ngabaphenyi be-MIT, umnyango omusha ungavulwa, ikakhulukazi ngaphakathi kwemakethe efana naleyo ye- izimoto zikagesi futhi i amadivayisi kagesi aphathekayo.

Ibhethri le-MIT's lithium-oxygen lidlula amabala amnyama amaningi ekukhishweni kwangaphambilini.

Njengoba sishilo, lolu hlobo olusha lwamabhethri lusethula uchungechunge lwe- izinkinga lokho kuzenza zingasebenzi, kufaka phakathi ukwengeza kumijikelezo yomthwalo namuhla balahlekelwa amandla abo amaningi ngendlela yokushisa, yehlisa isithunzi masinyane futhi kudinga izingxenye ezengeziwe ezibizayo inikezelwe ukupompa umoya-mpilo ngaphakathi nangaphandle kwezakhiwo, okuthi zona, ngokungafani nezendabuko, zivule iseli.

Mayelana nomsebenzi owenziwe ososayensi be-MIT ngokubhekisele kumabhethri e-lithium-oxygen, kufanele kuqashelwe ukuthi bazuzile yenza ukuhluka kwamakhemikhali ebhethri ngendlela yokuthi manje ibizovalwa ngokuphelele ukuze isetshenziswe njengebhethri ejwayelekile. Lokhu kuguqulwa kubangela ukuthi i-voltage yehliswe amahlandla ayisihlanu, okugcina kuholele ekukhokhweni okushesha kakhulu nokusebenza okuthuthukile, ngenkathi kugwenywa isimo se-oxygen esinamandla kusho ukuthi impilo yayo elusizo inganwetshwa.

Ngesikhathi sokuhlolwa okwenziwe kulolu hlelo, uhlobo olusha lwadalulwa kumjikelezo we-120 nokukhishwa kwemijikelezo ekhombisa ukulahleka okungaphansi kuka-2%, okusho ukuthi leli bhethri lizoba nempilo ende esebenzisekayo. Ithimba eliphethe ukuthuthukiswa kwale phrojekthi lithemba ukuthi vivinya uhlobo olulungiselelwe phakathi no-2017.


Shiya umbono wakho

Ikheli lakho le ngeke ishicilelwe. Ezidingekayo ibhalwe nge *

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  1. Ubhekele imininingwane: Miguel Ángel Gatón
  2. Inhloso yedatha: Lawula Ugaxekile, ukuphathwa kwamazwana.
  3. Ukusemthethweni: Imvume yakho
  4. Ukuxhumana kwemininingwane: Imininingwane ngeke idluliselwe kubantu besithathu ngaphandle kwesibopho esisemthethweni.
  5. Isitoreji sedatha: Idatabase ebanjwe yi-Occentus Networks (EU)
  6. Amalungelo: Nganoma yisiphi isikhathi ungakhawulela, uthole futhi ususe imininingwane yakho.