SolarWing's High-Efficiency CICs integrate several optimizations to maximize GaAs solar cell performance in space. We utilize advanced multi-layer anti-reflective coatings on high-transmission coverglass to minimize optical losses and maximize photon capture. Precision bonding techniques ensure excellent light coupling and robust mechanical integrity. Crucially, our CIC design incorporates optimized thermal paths, effectively radiating excess heat to maintain the GaAs cells at their most efficient operating temperatures, as even GaAs efficiency can decrease with excessive heat. Furthermore, low-resistance interconnects minimize electrical losses, ensuring maximum converted power reaches the spacecraft bus, contributing to sustained high power output throughout the mission.

SolarWing's High-Efficiency Solar Cell CICs (Coverglass Interconnected Cells) are specifically designed to be thin, robust, and flexible, making them ideal for integration into roll-out array architectures. Their high conversion efficiency ensures maximum power generation from a minimal deployed area, contributing to superior power density. The individual cell construction, combined with their inherent flexibility and advanced interconnection techniques, allows for tight packing onto a deployable substrate. This significantly reduces the array's stowed volume, enabling larger power capabilities on smaller launch vehicles, critical for various demanding space missions.

In space, monocrystalline solar cell efficiency degrades over time primarily due to radiation damage. BOL efficiency represents initial performance, while EOL efficiency reflects performance after a mission's duration. SolarWing's CIC designs factor in this degradation using radiation damage models specific to the intended orbit (LEO, GEO, etc.). We select cell materials and thicknesses, and incorporate coverglass shielding to minimize EOL efficiency loss. Our power output predictions are based on EOL performance, ensuring the spacecraft receives adequate power throughout its mission. We provide detailed radiation analysis reports with our products.

Temperature significantly impacts solar cell efficiency. In space, without atmospheric convection, cells can experience extreme temperature variations. Higher temperatures reduce the band gap of GaAs, lowering the open-circuit voltage (Voc) and thus the overall power output. Our CICs are designed with temperature-compensating materials and processes to minimize these effects. Spacecraft thermal management systems are also crucial for maintaining optimal operating temperatures, maximizing efficiency and lifespan of the solar arrays. We provide detailed temperature coefficient data for accurate power prediction.

Designed for LEO, GEO, IGSO, and deep space exploration missions. Perfect for satellites, space stations, and long-duration spacecraft requiring high efficiency (>30%) and exceptional temperature tolerance (-175°C to 110°C) with proven 15+ year operational lifetime.