Half a century ago, the battery of the future was built out of sodium. The reason has to do with why the seas are salty. Sodium is a light element that ionizes easily, giving up one of its electrons.

On a special episode (first released on July 14, 2025) of The Excerpt podcast: Many of today’s gadgets are powered by lithium-ion batteries, but that could be changing. Shirley Meng, a University of ...

Beijing Automotive Industry Corporation (BAIC) has claimed its new sodium-ion electric vehicle battery can reach a full ...

While everyone else was worrying about cheap oil and the future of electric cars, sodium batteries just got closer to becoming mainstream. This challenger to lithium ion technology has been around for ...