Double sided /D.S./ solar cells to improve static concentration
Abstract
Solar cells to be illuminated on both sides by placement in proper Winston mirrors have been developed to permit double static concentration gain for a given acceptance angle. Theory and experiments show that the product of open-circuit voltage and short-circuit current is higher in double sided (DS) cells than in conventional or BSF cells. The DS cells have high series resistance which reduces the efficiency of experimental structures to 7 percent at two AM2 suns. A theoretical model of the DS structure series resistance is presented showing that, with proper metallization patterns, efficiencies of 11 percent at ten AM2 suns can be attained.
- Publication:
-
Photovoltaic Solar Energy Conference
- Pub Date:
- 1978
- Bibcode:
- 1978pvse.conf..269L
- Keywords:
-
- Energy Conversion Efficiency;
- Illuminating;
- Solar Cells;
- Solar Collectors;
- Concentrating;
- Resistance;
- Short Circuits;
- Solar Energy Conversion;
- Energy Production and Conversion