Salty, subterranean water could relieve world’s lithium shortage

The next bottleneck in lithium-ion battery supplies isn’t cobalt, even though China has a stranglehold on the market, and it’s not nickel, either, despite nickel prices nearly doubling in the past five months. Cobalt can be partially replaced with nickel, nickel can be partially replaced with manganese, and both can be completely replaced with iron phosphate, which is cheap and plentiful. 
But there’s no substitute for one crucial component of these batteries: Lithium.
Today’s lithium mines can’t hope to meet the skyrocketing demand for the next decade and beyond. Spotting an opportunity

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