A ranar 16 ga Disamba, POSCO ta sanar da cewa za ta zuba jarin dala miliyan 830 don gina masana'antar lithium hydroxide a Argentina don samar da kayan batir ga motocin lantarki. An ruwaito cewa masana'antar za ta fara gini a rabin farko na 2022, kuma za a kammala ta kuma fara samarwa a rabin farko na 2024. Bayan kammala ta, za ta iya samar da tan 25,000 na lithium hydroxide kowace shekara, wanda zai iya biyan buƙatun samar da motoci 600,000 na lantarki a kowace shekara.
Bugu da ƙari, kwamitin gudanarwa na POSCO ya amince a ranar 10 ga Disamba da wani shiri na gina masana'antar lithium hydroxide ta amfani da kayan da aka adana a tafkin gishiri na Hombre Muerto da ke Argentina. Lithium hydroxide shine babban kayan da ake amfani da shi wajen kera cathodes na batir. Idan aka kwatanta da batirin lithium carbonate, batirin lithium hydroxide yana da tsawon rai. Dangane da karuwar buƙatar lithium a kasuwa, a cikin 2018, POSCO ta sami haƙƙin haƙar ma'adinai na tafkin gishiri na Hombre Muerto daga Galaxy Resources na Ostiraliya akan dala miliyan 280. A cikin 2020, POSCO ta tabbatar da cewa tafkin yana ɗauke da tan miliyan 13.5 na lithium, kuma nan da nan ta gina kuma ta gudanar da ƙaramin masana'antar gwaji a gefen tafkin.
POSCO ta ce za ta iya ƙara faɗaɗa masana'antar lithium hydroxide ta Argentina bayan an kammala aikin kuma an fara aiki da ita, ta yadda za a ƙara faɗaɗa ƙarfin samar da ita na shekara-shekara da ƙarin tan 250,000.