Researchers develop paper battery that generates power from water, air [Video]

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Step aside lithium and alkaline. Magnesium might be the next power player in the battery world. Studies have shown that a magnesium-based energy storage device could be safer and more powerful than its metal competitors.

Magnesium, lithium, and metal-Air batteries

The Earth has more Magnesium than Lithium. Magnesium ions also have a higher energy density and two positive charges. Lithium ions are smaller and have a single positive charge.

Most might be familiar with lithium and lithium-ion batteries. They’re found in flashlights, cameras, security systems, and even cell phones, tablets, vaping devices, tools, e-bikes, and Metal-air batteries use oxygen to generate electricity.

The magnesium-air battery (Mg-air) from Tohoku University is innovative, however. The researchers made it out of paper, first of all, and …