A team of Iowa State University researchers have developed a new type of energy storage device that 'washes away' once depleted

Ideal for ‘transient’ devices, that is, single-use items which fade upon consumption (think: military encryption, medical life-savers and environmental condition-sensors), Iowa State University’s innovative battery is designed to self-destruct when triggered by light, heat or liquid.

Still under development, the lithium-based battery is capable of delivering 2.5 volts—enough to power a standard laptop for roughly 15 minutes—and takes around 30 minutes to dissipate when submerged in water.

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