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Super High Efficiency Multi-Junction Solar Cells and Concentrator Solar Cells

Super High Efficiency Multi-Junction Solar Cells and Concentrator Solar Cells
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Author(s): Masafumi Yamaguchi (Toyota Technological Institute (TTI), Japan)
Copyright: 2013
Pages: 24
Source title: Advanced Solar Cell Materials, Technology, Modeling, and Simulation
Source Author(s)/Editor(s): Laurentiu Fara (Polytechnic University of Bucharest, Romania)and Masafumi Yamaguchi (Toyota Technological Institute, Japan)
DOI: 10.4018/978-1-4666-1927-2.ch009

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Abstract

While single-junction solar cells may be capable of attaining AM1.5 efficiencies of up to 29%, Multi-Junction (MJ, Tandem) III-V compound solar cells appear capable of realistic efficiencies of up to 50% and are promising for space and terrestrial applications. In fact, the InGaP/GaAs/Ge triple-junction solar cells have been widely used in space since 1997. In addition, industrialization of concentrator solar cell modules using III-V compound MJ solar cells have been announced by some companies. This chapter presents principles and key issues for realizing high-efficiency MJ solar cells, issues relating to development and manufacturing, and applications for space and terrestrial uses.

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