The MoU "establishes a partnership to explore future business opportunities including potential development of downstream lithium assets", Global Lithium said.
Potential support of future equity raisings was also mentioned.
SKO is said to supply batteries to global automakers, including Ford, Hyundai and Volkswagen.
According to its website SKO has an operating income of about US$200 million and employs about 1500 people.
It is owned by SK Group, "South Korea's second largest conglomerate".
The MoU term is two years.
Global Lithium's major shareholders include Suzhou TA&A Ultra Clean Technology Co, a controlling shareholder of Yibin Tianyi Lithium, a joint venture between Suzhou TA&A (75%) and CATL (25%), the world's largest EV battery producer, and ASX-listed Mineral Resources.
Global Lithium has two lithium resources in Western Australia being expanded.
It had cash at the end of June of A$33 million.
Shares in Global Lithium were trading at $2.15 this week, capitalising the company at $430 million.
