Ukuphumelela kubuchwepheshe Bokugaya kabusha Ibhethri ye-Lithium-Ion

Ucwaningo lwakamuva olushicilelwe ngoJulayi 29 kujenaliIzinto Ezisebenzayo Ezithuthukileichaza indlela esheshayo, ephumelelayo, futhi evumelana nemvelo yokutholwa kwe-lithium ekhethiwe kusetshenziswa imisebe ye-microwave kanye ne-solvent ebola kalula. Abacwaningi e-Rice University e-United States bathuthukise le nqubo entsha, engakwazi ukubuyisela kuze kufike ku-50% we-lithium kuma-cathodes ebhethri ye-lithium-ion (LIB) esetshenzisiwe ngemizuzwana engu-30 nje, ibhekana nenkinga ebalulekile kubuchwepheshe bokugaywa kabusha kwe-LIB.

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

Izindlela zendabuko zokubuyisa i-lithium kumabhethri asetshenzisiwe zilimaza imvelo futhi azisebenzi kahle. Izinselelo eziyinhloko zihlanganisa ukungcoliswa kwe-lithium nokulahlekelwa phakathi nenqubo yokutakula, kuhambisana nokusetshenziswa kwamandla aphezulu. Njengoba i-lithium ivame ukukhishwa ngemva kwezinye izinsimbi, abacwaningi baye bafuna izindlela eziqondiswe ngqo ekutholeni i-lithium.

Kulolu cwaningo, abacwaningi basebenzisa ingxube ye-choline chloride ne-ethylene glycol njenge-solvent eutectic ejulile (DES). Phambilini bathole ukuthi ngesikhathi senqubo yokucwilisa nge-DES, ama-ion e-lithium azungezwe ama-ion e-chloride avela ku-choline chloride futhi afakwe esixazululweni.

Ukuze ukhiphe ezinye izinsimbi ezifana ne-cobalt noma i-nickel, kokubili i-choline chloride ne-ethylene glycol iyadingeka. Phakathi kwalezi zinto, i-choline chloride kuphela imunca ngempumelelo ama-microwave. Abacwaningi bacwilisa imfucuza yebhethri ku-solvent futhi bafaka imisebe ye-microwave, okuvumela ukukhetha i-lithium leaching kwezinye izinsimbi.

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

Abacwaningi bathola ukuthi ngenqubo ye-microwave, ukukhipha ama-87% e-lithium kuthathe imizuzu eyi-15, kanti ukuzuza izinga elifanayo lokululama ngokushisisa okugeza uwoyela kudinga amahora ayi-12. Le ndlela ye-groundbreaking ithuthukisa kakhulu ukusebenza komnotho kanye nomthelela wemvelo wokugaywa kabusha kwebhethri ye-lithium-ion, enikeza isisombululo esisha esimeme enkingeni yomhlaba wonke ekhulayo.

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