4 ADITI
Development of High-Efficiency Lightweight Space-Grade Silicon-Perovskite Tandem Solar Panels (150 W Class) for Small Satellites ( upto 200 kg Class)
The challenge seeks development of:
• Space-grade thin Silicon solar cells (60– 80 μm)
• Space-grade Perovskite cells
• Silicon–Perovskite tandem cells
• 150 W rigid solar panel (mandatory)
• Flexible rollout panel (desirable)
• Demonstration to TRL-8 (ground qualification), TRL-9 (flight optional)
Performance targets:
• ≥22% efficiency at AM0 (28°C)
• ≥200 W/m2 areal power density (BOL)
• ≥80 W/kg specific power
• Radiation tolerant encapsulation
• Thermo-vac capability −120°C to +120°C
• Deployment demonstration (1g or 0g)