Tesla zai yi amfani da ƙwayoyin LiFePO4 a China maimakon ƙwayoyin tushen cobalt?
Labarai masu ban sha'awa daga Gabas Mai Nisa. Kamfanin dillancin labaran reuters ya bayar da rahoton cewa Tesla na cikin tattaunawa ta farko tare da mai siyar da batirin LiFePO4 (Lithium Iron Phosphate, LFP). Suna ba da ƙarancin ƙarfin kuzari fiye da sauran ƙwayoyin lithium-ion na tushen cobalt, amma kuma suna da rahusa sosai.
Shin Tesla zai shawo kan duniya don amfani da ƙwayoyin LFP?
LFP (LiFePO4) da wuya su shiga motoci saboda suna iya adana ƙarancin kuzari don nauyi ɗaya. Wannan yana nufin cewa ƙoƙarin kiyaye ƙarfin baturi da aka zaɓa (misali 100 kWh) yana buƙatar amfani da fakitin baturi mafi girma da nauyi. Kuma wannan na iya zama matsala lokacin da motar ta yi tsalle 2 ton a nauyi kuma tana gabatowa ton 2,5 ...
> Samsung SDI tare da baturin lithium-ion: graphite yau, ba da daɗewa ba silicon, ba da daɗewa ba ƙwayoyin ƙarfe na lithium da kewayon 360-420 km a cikin BMW i3
Koyaya, a cewar Reuters, Tesla yana tattaunawa da CATL don samar da ƙwayoyin LiFePO.4... Ya kamata su kasance mai rahusa "da yawa dubun bisa dari" fiye da na "na gaske". Ba a bayyana ba ko kwayoyin NCA da Tesla ke amfani da su a duniya an dauke su "a halin yanzu," ko kuma bambancin NCM da yake so (kuma yana amfani da shi?) A kasar Sin.
NCA su ne nickel-cobalt-aluminum cathode Kwayoyin da NCM su ne nickel-cobalt-manganese cathode Kwayoyin.
Kwayoyin LiFePO4 suna da waɗannan abubuwan rashin amfani, amma kuma suna da fa'idodi da yawa: tsarin fitar da su ya fi a kwance (ƙananan raguwar ƙarfin lantarki yayin aiki), suna jure wa zagayowar caji kuma sun fi sauran ƙwayoyin lithium-ion aminci. Haka kuma yana da wahala a ce ba sa amfani da cobalt, wanda wani sinadari ne mai tsada kuma a kai a kai yana haifar da cece-kuce saboda wurin ajiyarsa da kuma yaran da suka saba aikin ma’adinai.
> General Motors: Batura sun fi arha kuma za su yi arha fiye da ingantattun batura masu lantarki a cikin ƙasa da shekaru 8-10 [Electrek]
Hoto na farko: (c) CATL, Batirin CATL / Fb
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