SMRTR Science & EngineeringSep 9, 2025Interesting Engineering

New bendable solar cells stay stable for 2,000 hours under heat and humidity

SMRTR summary

European researchers have developed flexible perovskite solar cells with carbon electrodes that remain stable for over 2,000 hours under extreme heat and humidity conditions. The PEARL consortium has achieved 21% efficiency on bendable substrates—approaching their 25% target—while using roll-to-roll manufacturing techniques that reduce production costs to below 0.3 EUR/Wp and cut carbon emissions by over 50%. These innovations could transform building-integrated solar technology and IoT devices.

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