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Next-Generation Solar Cells Could Soon Harvest Indoor Light for Battery-Free Devices

The UCL-led team achieved a world record 37.6% efficiency with durable perovskite cells that are six times more efficient than commercial indoor solar cells, lasting over 100 days with minimal performance loss.

Summary by TechXplore
An international team led by UCL researchers has developed durable new solar cells capable of efficiently harvesting energy from indoor light, meaning that devices such as keyboards, remote controls, alarms and sensors could soon be battery-free.

8 Articles

New generation solar cells transform interior light into energy and could replace batteries in your connected objects. New perovskite solutions get record returns.

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myscience.org broke the news in on Monday, August 11, 2025.
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