The 32% Efficiency Triple Junction GaAs Solar Cell is a premium, high-efficiency solar cell designed for space missions that require robust and reliable energy sources. Its advanced triple-junction design, featuring GaInP/InGaAs/Ge layers, allows it to capture a broad range of solar wavelengths, maximizing power generation for satellites and spacecraft.
With an impressive 32% efficiency at the beginning of life (BOL), this solar cell offers superior performance and radiation tolerance, making it ideal for both low-Earth orbit (LEO) and deep space missions.
KEY FEATURES
- High Efficiency: Delivers 32% efficiency at BOL, ensuring maximum energy generation under space conditions.
- Triple Junction Technology: Optimized to capture energy across different wavelengths, improving overall energy output.
- Radiation Resistance: Designed to maintain significant efficiency after prolonged exposure to the harsh radiation environment of space.
- Lightweight Design: Compact and lightweight, making it suitable for satellites and spacecraft with strict weight limitations.
RADIATION DEGRADATION
The solar cell is engineered to withstand high doses of radiation typically encountered in space. It retains a significant portion of its efficiency even after exposure to intense radiation, making it highly suitable for long-duration missions.
PERFORMANCE DATA
The solar cell demonstrates the following performance metrics under standard test conditions (AM0 spectrum, 25°C):
- Open Circuit Voltage (Voc): 2.666 V
- Maximum Power (Pmax): 1.331 W
- Efficiency: 32.63%
ENVIRONMENTAL TOLERANCES
- Radiation Tolerance: The cell maintains efficiency after exposure to high radiation levels, ensuring long-term reliability.
- Temperature Stability: Optimized for a wide range of temperatures, enabling stable operation in extreme space environments.

