SMRTR Science & EngineeringFeb 25, 2026Interesting Engineering

100V per drop: New perovskite cell converts rain and sunshine to electricity

SMRTR summary

Spanish researchers developed a revolutionary perovskite solar cell with an ultra-thin protective film that generates electricity from both sunshine and raindrops, producing 110 volts per raindrop through triboelectric technology. This hybrid device overcomes traditional solar panels' limitations during cloudy weather, promising enhanced power solutions for IoT devices, outdoor sensors, and environmental monitoring systems.

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