Thermal analysis and test for single concentrator solar cells |
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| Authors: | Cui Min Chen Nuofu Yang Xiaoli Wang Yu Bai Yining Zhang Xingwang |
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| Affiliation: | 1. Key Laboratory of Semiconductor Materials Science,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China
2. Key Laboratory of Semiconductor Materials Science,Institute of Semiconductors,Chinese Academy of Sciences,Beijing 100083,China;National Laboratory of Microgravity,Institute of Mechanics,Chinese Academy of Sciences,Beijing 100080,China |
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| Abstract: | A thermal model for concentrator solar cells based on energy conservation principles was designed.Under 400X concentration with no cooling aid,the cell temperature would get up to about 1200℃.Metal plates were used as heat sinks for cooling the system,which remarkably reduce the cell temperature.For a fixed concentration ratio,the cell temperature reduced as the heat sink area increased.In order to keep the cell at a constant temperature,the heat sink area needs to increase linearly as a function of the concentration ratio.GaInP/GaAs/Ge triple-junction solar cells were fabricated to verify the model.A cell temperature of 37℃ was measured when using a heat sink at 400X concentratration. |
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| Keywords: | heat sink cooling concentrator solar ceils thermal dissipation |
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