Metals like lithium and nickel are important components of lithium-ion batteries, which, among other things, power electric vehicles. But as momentum has slowed for EV sales, so has demand for the metals that make up its batteries. Now even metal producers used to price fluctuations are having to make tough choices about whether to slow their mining operations, or cancel projects altogether. WSJ reporter Rhiannon Hoyle joins host Alex Ossola to talk about the field of battery metals, and what it means for the future of EVs. Learn more about your ad choices. Visit megaphone.fm/adchoices