SK On And POSCO Sign Three-Year Lithium Supply Agreement

Published: Feb 28, 2026 17:46

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On February 26, foreign media reported that POSCO and SK On have signed a long-term lithium supply agreement aimed at stabilizing the battery materials supply chain. According to the agreement, POSCO will supply SK On with over 25,000 tons of lithium from 2026 to 2028. This volume is sufficient to produce batteries for approximately 400,000 electric vehicles. It is understood that the lithium will be produced at POSCO Argentina SAU's Hombre Muerto salt flat in Salta Province, Argentina. Meanwhile, SK On indicated that the lithium could potentially also be used for energy storage systems.

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