Intuthuko kubuchwepheshe bokusebenzisa kabusha amabhethri e-Lithium-Ion

Ucwaningo lwakamuva olushicilelwe ngoJulayi 29 ephephabhukwiniIzinto Zokusebenza Ezithuthukisiweichaza indlela esheshayo, ephumelelayo, futhi enobungani nemvelo yokutakula i-lithium ekhethiwe kusetshenziswa imisebe ye-microwave kanye nesinyibilikisi esibola kalula. Abacwaningi eRice University e-United States bathuthukise le nqubo entsha, engabuyisa kufika ku-50% we-lithium kusuka kuma-cathode ebhethri le-lithium-ion elisetshenzisiwe (LIB) ngemizuzwana engama-30 kuphela, okubhekana nobunzima obukhulu kubuchwepheshe bokuvuselela i-LIB.

Njengamanje, isidingo se-lithium, insimbi emhlophe njengesiliva, siyakhula, sidlula ukunikezwa.

Izindlela zendabuko zokubuyisa i-lithium emabhethrini asetshenzisiwe ziyingozi emvelweni futhi azisebenzi kahle. Izinselele ezinkulu zifaka phakathi ukungcola kwe-lithium kanye nokulahlekelwa ngesikhathi senqubo yokutakula, okuhambisana nokusetshenziswa kwamandla aphezulu. Njengoba i-lithium ivame ukukhishwa ngemva kwezinye izinsimbi, abacwaningi baye bafuna izindlela ezihlose ngqo ukubuyisa i-lithium.

Kulolu cwaningo, abacwaningi basebenzise ingxube ye-choline chloride kanye ne-ethylene glycol njenge-deep eutectic solvent (DES). Ngaphambilini bathole ukuthi ngesikhathi senqubo yokukhipha i-DES, ama-ion e-lithium azungezwe ama-ion e-chloride avela ku-choline chloride bese ekhishwa angene esixazululweni.

Ukuze kukhishwe ezinye izinsimbi ezifana ne-cobalt noma i-nickel, kudingeka i-choline chloride kanye ne-ethylene glycol. Phakathi kwalezi zinto, i-choline chloride kuphela emunca kahle ama-microwave. Abacwaningi bacwilisa imfucuza yebhethri ku-solvent futhi basebenzise imisebe ye-microwave, okwenza kube lula ukukhipha i-lithium ekhethiwe kwezinye izinsimbi.

Ukusebenzisa imisebe ye-microwave kule nqubo kufana nokushisa ukudla ngokushesha kuhhavini ye-microwave ekhishini. Amandla adluliselwa ngqo kuma-molecule, okwenza ukusabela kusheshe kakhulu kunezindlela zokushisa zendabuko.

Abacwaningi bathole ukuthi ngenqubo ye-microwave, ukukhipha u-87% we-lithium kwathatha imizuzu eyi-15, kanti ukuthola izinga elifanayo lokululama ngokushisa i-oyili bath kwadinga amahora ayi-12. Le ndlela entsha ithuthukisa kakhulu ukusebenza kahle kwezomnotho kanye nomthelela wemvelo wokuvuselelwa kabusha kwamabhethri e-lithium-ion, okunikeza ikhambi elisha eliqhubekayo enkingeni yomhlaba wonke ekhulayo.

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