Journal
PROGRESS IN PHOTOVOLTAICS
Volume 25, Issue 3, Pages 255-263Publisher
WILEY
DOI: 10.1002/pip.2856
Keywords
multi-junction solar cells; III-V solar cells; silicon solar cells; mechanical stack; areal current matching; concentrator photovoltaic
Funding
- JSPS KAKENHI [26289373]
- New Energy and Industrial Technology Development Organization (NEDO), under the Ministry of Economy, Trade, and Industry (METI)
- Grants-in-Aid for Scientific Research [26289373] Funding Source: KAKEN
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The SMAC module is a low-cost, high-efficiency photovoltaic module that integrates three techniques: a SMart stack, Areal current matching,and solar Concentration. This paper presents the result of a proof-of-concept study of the SMAC module conducted using device simulations and indoor experiments. The simulation results show that an SMAC module with a two-terminal GaAs/Si tandem solar cell can achieve an efficiency of approximately 30% and superior electricity generation per unit top cell area. The performance of the GaAs/Si solar cell developed in this study is similar to that of a GaAs/InGaAsP solar cell under concentrated artificial sunlight and is consistent with the simulation results. (C) 2016 The Authors. Progress in Photovoltaics: Research and Applications published by John Wiley & Sons Ltd.
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