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Proceedings Paper

Development of irradiation methods and degradation modeling for state-of-the-art space solar cells
Author(s): Takeshi Ohshima; Shin-ichiro Sato; Taishi Sumita; Tetsuya Nakamura; Mitsuru Imaizumi
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Paper Abstract

Japan Atomic Energy Agency (JAEA) together with Japan Aerospace Exploration Agency (JAXA) has developed an insitu evaluation technique for understanding radiation response of space solar cells, by which the electrical characteristics of solar cells can be measured under AM0 light illumination during proton/electron irradiation experiments (Simultaneous method). Using the simultaneous method, we revealed the radiation degradation of multi-junction solar cells such as InGaP/GaAs/Ge triple junction (3J) solar cells. A modeling of the radiation degradation of 3J solar cells based on the Non-Ionizing Energy Loss (NIEL) concept was established. Flexible multi-junction solar cells are under development for space applications.

Paper Details

Date Published: 5 June 2014
PDF: 8 pages
Proc. SPIE 9115, Energy Harvesting and Storage: Materials, Devices, and Applications V, 911503 (5 June 2014); doi: 10.1117/12.2052810
Show Author Affiliations
Takeshi Ohshima, Japan Atomic Energy Agency (Japan)
Shin-ichiro Sato, Japan Atomic Energy Agency (Japan)
Taishi Sumita, Japan Aerospace Exploration Agency (Japan)
Tetsuya Nakamura, Japan Aerospace Exploration Agency (Japan)
Mitsuru Imaizumi, Japan Aerospace Exploration Agency (Japan)


Published in SPIE Proceedings Vol. 9115:
Energy Harvesting and Storage: Materials, Devices, and Applications V
Nibir K. Dhar; Palani Balaya; Achyut K. Dutta, Editor(s)

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