SYDNEY -- Miners in Australia, the world's largest producer of lithium, are moving off the ground floor of the global market for electric-vehicle battery materials through partnerships with big U.S. and Chinese processing companies.
New investments close to mines diversify production away from top refiner China

A joint venture between China's Tianqi Lithium and Australian miner IGO started up a refining plant in Western Australia this past May. (Photo courtesy of Tianqi Lithium Energy Australia)
SYDNEY -- Miners in Australia, the world's largest producer of lithium, are moving off the ground floor of the global market for electric-vehicle battery materials through partnerships with big U.S. and Chinese processing companies.