January 9, 2025--Researched by Industrial Info Resources (Sugar Land, Texas)--As the makeup of the lithium sector shifts through mergers, acquisitions and joint ventures, Rio Tinto (NYSE:RIO) (London, England) is on its way to acquiring lithium miner and chemical maker Arcadium Lithium plc (NYSE:ALTM) (Shannon, Ireland) in a US$6.7 billion all-cash deal that was floated last year. The Committee on Foreign Investment in the United States (CIFUS) has approved the acquisition, putting the deal on track to close later this year, although a few more approvals are needed from other countries.