Ka la 16 Tšitoe, POSCO e phatlalalitse hore e tla tsetela US $830 milione ho aha fektheri ea lithium hydroxide Argentina bakeng sa tlhahiso ea lisebelisoa tsa betri bakeng sa likoloi tsa motlakase. Ho tlalehoa hore fektheri e tla qala ho hahoa karolong ea pele ea 2022, 'me e tla phethoa le ho kenngoa tlhahisong karolong ea pele ea 2024. Kamora ho phethoa, e ka hlahisa lithane tse 25,000 tsa lithium hydroxide selemo le selemo, e ka fihlelang tlhoko ea selemo le selemo ea tlhahiso ea likoloi tsa motlakase tse 600,000.
Ho phaella moo, boto ea batsamaisi ba POSCO e amohetse ka la 10 Tšitoe morero oa ho haha ​​​​setsi sa lithium hydroxide ho sebelisoa thepa e tala e bolokiloeng letšeng la letsoai la Hombre Muerto Argentina. Lithium hydroxide ke thepa ea mantlha bakeng sa ho etsa li-cathode tsa betri. Ha li bapisoa le libeteri tsa lithium carbonate, libeteri tsa lithium hydroxide li na le bophelo bo bolelele ba ts'ebeletso. Ha li arabela tlhoko e ntseng e hola ea lithium 'marakeng, ka 2018, POSCO e ile ea fumana litokelo tsa merafo ea letša la letsoai la Hombre Muerto ho tsoa ho Galaxy Resources ea Australia ka US$280 milione. Ka 2020, POSCO e tiisitse hore letša lena le na le lithane tse limilione tse 13.5 tsa lithium, 'me hang-hang ea haha ​​​​le ho sebelisa semela se senyenyane sa pontšo haufi le letša.
POSCO e itse e ka 'na ea atolosa fektheri ea lithium hydroxide ea Argentina ka mor'a hore projeke e phethoe le ho kenngoa tšebetsong, e le hore bokhoni ba tlhahiso ea selemo le selemo ba fektheri bo ka atolosoa ka lithane tse ling tse 250,000.