论文信息 - High temperature operation of photovoltaic solar cells in one- and two-stage systems

High temperature operation of photovoltaic solar cells in one- and two-stage systems

Experimental and theoretical analysis is made of the efficiency of high temperature operation of a photovoltaic solar cell. Experiments were performed With cells made of crystalline Si (c-Si, with gn junction and Shottky barrier), amorphous (a-) Si and CuInSez (CIS) in the temperature interval 25 - 150 'C, using the solar radiation with concentration degree from I to 30. The results obtained show that a-Si, CIS and c-Si Schottky cells could successfully work at temperature around 100 - 150 "C, having the efficiency of the order of 60 - 70 YO of their efficiency at room temperature. The principal possibiIity is shown of coupIing of the high- temperature cell with a Beat engine in a two-stage hybrid system, the cahlated total conversion efficiency of the two- stage system could be as high as 35 - 40 %.

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