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http://dx.doi.org/10.6110/KJACR.2015.27.7.375

Performance of Crystalline Si Solar Cells with Temperature Controlled by a Thermoelectric Module  

Heo, Kimoo (Department of Mechanical Engineering, Graduate School of Hanyang University)
Lee, Daeho (Department of Mechanical Engineering, Gachon University)
Lee, Jae-Heon (Department of Mechanical Engineering, Hanyang University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.27, no.7, 2015 , pp. 375-379 More about this Journal
Abstract
A proper estimate of solar cell efficiency is of great importance for the feasibility analysis of solar cell power plant development. Since solar cell efficiency depends on temperature, several methods have been introduced to measure it by operating temperature modulation. However, the methods either rely on the external environment or need expensive equipment. In this paper, a thermoelectric module was used to control the operating temperature of crystalline silicon solar cells effectively and precisely over a wide range. The output characteristics of crystalline silicon solar cells in response to operating temperatures from $-5^{\circ}C$ to $100^{\circ}C$ were investigated experimentally. Their efficiencies decreased as the temperature rose, since the decrease in the open circuit voltage and fill factor exceeded the increase in the short circuit current. The maximum power temperature coefficient of the single crystalline solar cell was more sensitive to temperature change than that of the polycrystalline solar cell.
Keywords
Crystalline Si solar cell; Output characteristics; Thermoelectric module; Temperature coefficient;
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Times Cited By KSCI : 3  (Citation Analysis)
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