A new generation of iron-air batteries could change how we store renewable energy by using one of Earth’s most abundant materials—iron. This video explains how these batteries work, why they rely on ...

While modern power systems in personal electronics and larger devices have been gradually moving toward rechargeable frameworks in the interest of sustainability, there's still a lot of disposable ...

Lithium-ion batteries power everything from smartphones to electric cars, but they rely on materials that raise environmental and ethical concerns. Metals like nickel and cobalt are costly to mine, ...