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.
Technical Specifications:
| Parameter | BOL (Beginning of Life) |
|---|---|
| Open Circuit Voltage (Voc) | 2.666 V |
| Short Circuit Current (Isc) | 0.579 A |
| Maximum Power (Pmax) | 1.331 W |
| Max Power Voltage (Vmax) | 2.368 V |
| Max Power Current (Imax) | 0.562 A |
| Fill Factor (FF) | 86.18% |
| Efficiency (η) | 32.63% |
| Weight | Lightweight design |
| Dimensions | Customizable based on mission requirements |
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.
Applications:
- Low-Earth Orbit (LEO) Satellites
- Geostationary Satellites (GEO)
- Deep Space Exploration Missions
- High-Power CubeSats
- Interplanetary Probes requiring continuous, reliable power generation.
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.