From laptops to electric cars, lithium-ion batteries are in so many of the products we use every day. It’s hard to imagine there’s an alternative. But a half century ago sodium-ion batteries were also on the table as an option. Today, with metals like lithium harder and more expensive to source, electronics firms are taking another look at sodium-ion to power our modern devices. With greater availability, lower manufacturing costs and more stable chemistry, could sodium-ion batteries be the key to powering our future? Shirley Meng, a University of Chicago professor and materials scientist who has studied sodium-ion batteries, joins USA TODAY’s The Excerpt to dig into their potential.

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