Nasarar Fasaha a Fannin Sake Amfani da Batirin Lithium-Ion

Wani bincike da aka buga kwanan nan a ranar 29 ga Yuli a cikin mujallarKayan Aiki na Ci gabaya bayyana wata hanya mai sauri, inganci, kuma mai kyau ga muhalli don murmurewa daga lithium ta amfani da hasken microwave da kuma wani sinadari mai sauƙin lalatawa. Masu bincike a Jami'ar Rice da ke Amurka sun ƙirƙiro wannan tsari mai ban mamaki, wanda zai iya dawo da har zuwa kashi 50% na lithium daga cathodes na batirin lithium-ion (LIB) da aka kashe cikin daƙiƙa 30 kacal, wanda ke magance babban ƙalubale a fasahar sake amfani da LIB.

A halin yanzu, buƙatar lithium, wani ƙarfe mai launin azurfa, yana ƙaruwa, wanda ya zarce wadatar da ake samu.

Hanyoyin gargajiya na dawo da lithium daga batirin da aka yi amfani da shi suna da illa ga muhalli kuma ba su da tasiri sosai. Manyan ƙalubalen sun haɗa da gurɓatar lithium da asararsa yayin aikin murmurewa, tare da yawan amfani da makamashi. Tunda yawanci ana fitar da lithium bayan wasu ƙarfe, masu bincike sun nemi hanyoyin da suka shafi murmurewa lithium.

A cikin wannan binciken, masu binciken sun yi amfani da cakuda choline chloride da ethylene glycol a matsayin wani sinadarin eutectic mai zurfi (DES). Sun gano cewa a lokacin da ake fitar da sinadarin tare da DES, ana kewaye da ions na lithium da ions na chloride daga choline chloride sannan a zuba su cikin maganin.

Domin fitar da wasu karafa kamar cobalt ko nickel, ana buƙatar choline chloride da ethylene glycol. Daga cikin waɗannan abubuwan, choline chloride ne kawai ke shanye microwaves yadda ya kamata. Masu binciken sun nutsar da sharar batir a cikin ruwan da ke narkewa sannan suka yi amfani da hasken microwave, wanda hakan ya ba da damar cire lithium daga wasu karafa.

Amfani da hasken microwave a cikin wannan tsari yana kama da dumama abinci cikin sauri a cikin tanda na microwave na kicin. Ana canja makamashi kai tsaye zuwa ƙwayoyin halitta, wanda ke sa amsawar ta fi sauri fiye da hanyoyin dumama na gargajiya.

Masu binciken sun gano cewa tare da tsarin microwave, cire kashi 87% na lithium ya ɗauki mintuna 15, yayin da cimma wannan saurin murmurewa tare da dumama mai yana buƙatar awanni 12. Wannan sabuwar hanyar inganta tattalin arziki da tasirin muhalli na sake amfani da batirin lithium-ion, yana ba da sabuwar mafita mai ɗorewa ga matsalar da ke ci gaba da ƙaruwa a duniya.

Don ƙarin bayani game da masana'antu da samfura, tuntuɓi mu:
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