Bolivia has the world's largest resources of lithium, the ultra-light metal key to making batteries for electric vehicles, but has struggled for decades to mine them commercially.
Solid Power Inc., the battery startup that went public in a reverse merger last year, has begun operating a new pilot line, putting it on pace to deliver sample cells to automotive partners by year-end.
The legal action piles more pressure on the exchange, which is being probed by regulators and is struggling to restore trust and volumes in its nickel market.