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UCL Breaks Record with 37.6% Indoor Solar Efficiency

8/16/2025

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Summary

Story summary

University College London researchers created perovskite solar cells with a record efficiency of 37.6% for indoor light conversion.
The cells retain 92% efficiency after 100 days and 76% after 300 hours at 55°C, surpassing traditional indoor solar cells.
This innovation may reduce battery replacements in billions of devices, decreasing e-waste and promoting sustainability.

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Story summary

University College London researchers created perovskite solar cells with a record efficiency of 37.6% for indoor light conversion.
The cells retain 92% efficiency after 100 days and 76% after 300 hours at 55°C, surpassing traditional indoor solar cells.
This innovation may reduce battery replacements in billions of devices, decreasing e-waste and promoting sustainability.