Pa Disembala 16, POSCO idalengeza kuti iyika ndalama zokwana US $830 miliyoni kuti imange fakitale ya lithiamu hydroxide ku Argentina yopangira zida zamabatire zamagalimoto amagetsi. Zanenedwa kuti fakitaleyi iyamba kumangidwa mu theka loyamba la 2022, ndipo idzamalizidwa ndikuyikidwa mu theka loyamba la 2024. Ikamalizidwa, imatha kupanga matani 25,000 a lithiamu hydroxide pachaka, zomwe zingakwaniritse zosowa zapachaka zamagalimoto amagetsi 600,000.
Kuphatikiza apo, bungwe la oyang'anira la POSCO linavomereza pa Disembala 10 dongosolo lomanga chomera cha lithiamu hydroxide pogwiritsa ntchito zinthu zopangira zomwe zimasungidwa mu nyanja yamchere ya Hombre Muerto ku Argentina. Lithium hydroxide ndiye chinthu chofunikira kwambiri popanga ma cathode a batri. Poyerekeza ndi mabatire a lithiamu carbonate, mabatire a lithiamu hydroxide amakhala ndi moyo wautali. Poyankha kufunikira kwa lithiamu pamsika, mu 2018, POSCO idapeza ufulu wokumba nyanja yamchere ya Hombre Muerto kuchokera ku Galaxy Resources yaku Australia pa US$280 miliyoni. Mu 2020, POSCO idatsimikiza kuti nyanjayi inali ndi matani 13.5 miliyoni a lithiamu, ndipo nthawi yomweyo idamanga ndikuyendetsa chomera chaching'ono chowonetsera pafupi ndi nyanjayi.
POSCO yati ikhoza kukulitsa kwambiri chomera cha lithiamu hydroxide ku Argentina polojekitiyi ikatha ndikuyamba kugwira ntchito, kotero kuti mphamvu yopangira chomeracho pachaka idzakulitsidwa ndi matani ena 250,000.