针对中国产典型三结太阳电池开展质子/电子辐照试验,明确了三结太阳电池的辐射损伤敏感区域并建立太阳电池电学特性随位移损伤剂量的退化模型。基于TCAD仿真研究和验证三节太阳电池辐照后性能退化机制。结合蒙特卡洛仿真和地面辐照试验,探索将等效位移损伤剂量法用于三结太阳电池的在轨退化预计,计算典型中国产三结太阳电池在GEO轨道和LEO轨道在轨性能退化。
Abstract
Proton/electron irradiation experiments are carried out for triple-junction solar cells. The radiation damage sensitive region in triple-junction solar cell is identified, and the degradation model of electrical characteristics with the displacement damage dose （DDD） is established. Based on TCAD simulations, the degradation mechanisms of triple-junction solar cells after irradiation is studied and verified. Combined with Monte Carlo simulations and ground irradiation tests, the equivalent DDD method is used to predict the on-orbit performances of triple-junction solar cells. The on-orbit degradations of typical Chinese triple-junction solar cells in GEO and LEO orbits are calculated.
关键词
太阳电池 /
辐射效应 /
GaAs /
空间应用 /
位移损伤 /
TCAD仿真
Key words
solar cells /
radiation effects /
GaAs /
space applications /
displacement damage /
TCAD simulations
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参考文献
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