空间应用三端异质结双极晶体管太阳电池的潜力
Potential of the three-terminal heterojunction bipolar transistor solar cell for space applications
摘要：
多端多结太阳能电池（MJSC）提供比串联连接（二端）电池更高的效率潜力。此外，对于地面应用，多端太阳能电池的效率对太阳光谱变化的敏感性低于两端串联连接的太阳能电池。在空间中，通常，细胞总是用AM 0光谱照射，并且预计光谱变化不会产生影响。尽管如此，在空间中，与从更高的寿命终止（EOL）效率导出的串联连接架构方法相比，多端子方法提供了一些优势。在这项工作中，我们审查的潜力，多终端太阳能电池实现扩展的EOL效率，重点在潜力的三端异质结双极晶体管太阳能电池，一种新型的多终端MJSC架构，具有简化的结构，不需要，例如，隧道结。
英文摘要：
Multi-terminal multi-junction solar cells (MJSC) offer higher efficiency potential than series connected (two-terminal) ones. In addition, for terrestrial applications, the efficiency of multi-terminal solar cells is less sensitive to solar spectral variations than the two-terminal series-connected one. In space, generally, cells are always illuminated with AM0 spectrum and no impact is expected from spectral variations. Still, in space, the multi-terminal approach offers some advantages in comparison with the series-connected architecture approach derived from a higher end of life (EOL) efficiency. In this work we review the potential of multi-terminal solar cells for achieving extended EOL efficiencies with emphasis in the potential of the three-terminal heterojunction bipolar transistor solar cell, a novel multi-terminal MJSC architecture with a simplified structure not requiring, for example, tunnel junctions.
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