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Perovskite Solar Cell Survives Space-Grade Temperature Extremes
Researchers at LMU Munich have engineered a perovskite solar cell that retains 84% of its efficiency after extreme thermal cycling between -80°C and 80°C, achieving 26% conversion efficiency and opening a path to space-based solar power.
Key Takeaways
- LMU Munich developed a perovskite solar cell that retains 84% efficiency after 16 extreme thermal cycles simulating low Earth orbit conditions
- A dual molecular reinforcement strategy strengthens grain boundaries and anchors the perovskite layer to prevent cracking under temperature stress
- The cell achieves 26% power conversion efficiency, 3 percentage points higher than unmodified reference cells
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