Lithium-ion batteries power many of our favorite gadgets. However, they rely on toxic, flammable materials. A small defect can cause devices to explode. Scientists at John Hopkins University develop better ones, and Wired told the story.

A team of researchers led by physicists at the Johns Hopkins Applied Physics Laboratory believed a safer battery was possible, and for the past five years they have been developing a lithium-ion battery that’s seemingly immune to failure. The rugged battery they first unveiled in 2017, working with researchers at the University of Maryland, can be cut, shot, bent, and soaked without an interruption in power. Late last year, the Johns Hopkins team pushed it further, making it fireproof and boosting its voltages to levels comparable with a commercial product. Samsung, eat your heart out.

Check It Out: Creating an Indestructible Lithium-Ion Battery

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