Ci gaba a Fasahar Sake Amfani da Batir Lithium-Ion

Wani bincike na baya-bayan nan da aka buga a ranar 29 ga Yuli a cikin mujallarManyan Kayan Aikiya bayyana hanya mai sauri, inganci, kuma mai dacewa da muhalli don zaɓin dawo da lithium ta amfani da hasken lantarki da sauƙi mai sauƙi mai narkewa. Masu bincike a Jami'ar Rice a Amurka sun kirkiro wannan sabon tsari, wanda zai iya dawo da kusan kashi 50% na lithium daga batirin lithium-ion baturi (LIB) cathodes da aka kashe a cikin dakika 30 kacal, wanda ke magance babbar matsala a fasahar sake amfani da LIB.

A halin yanzu, buƙatun lithium, ƙarfe mai launin azurfa-fari, yana ƙaruwa, wanda ya zarce wadata.

Hanyoyin gargajiya na dawo da lithium daga batura da aka kashe suna da illa ga muhalli kuma basu da inganci sosai. Babban ƙalubalen sun haɗa da gurɓatawar lithium da asarar yayin aikin farfadowa, tare da yawan amfani da makamashi. Tun da yawanci ana fitar da lithium bayan wasu karafa, masu bincike sun nemi hanyoyin da aka yi niyya musamman don dawo da lithium.

A cikin wannan binciken, masu binciken sun yi amfani da cakuda choline chloride da ethylene glycol a matsayin mai zurfin eutectic ƙarfi (DES). A baya sun gano cewa yayin aikin leaching tare da DES, ions lithium suna kewaye da ions chloride daga choline chloride kuma an shiga cikin maganin.

Don fitar da wasu karafa irin su cobalt ko nickel, ana buƙatar duka choline chloride da ethylene glycol. Daga cikin wadannan abubuwa, choline chloride ne kawai ke sha microwaves yadda ya kamata. Masu binciken sun nutsar da sharar batir a cikin kaushi kuma sun yi amfani da hasken lantarki na microwave, wanda ke ba da damar zabar lithium daga wasu karafa.

Yin amfani da hasken lantarki a cikin wannan tsari yana kwatankwacin saurin dumama abinci a cikin tanda microwave. Ana canza makamashi kai tsaye zuwa kwayoyin halitta, yana yin saurin amsawa fiye da hanyoyin dumama na gargajiya.

Masu binciken sun gano cewa tare da injin microwave, leaching 87% na lithium ya ɗauki mintuna 15, yayin da samun nasarar farfadowa iri ɗaya tare da dumama man mai yana buƙatar sa'o'i 12. Wannan hanyar da aka kafa ƙasa tana inganta haɓakar tattalin arziƙi da tasirin muhalli na sake yin amfani da batirin lithium-ion, yana ba da sabuwar hanyar warware matsalar da ke tasowa a duniya.

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