Reference System
Checks on Performance
Efforts to improve the performance and characteristics of solar cells through the development of new types, such as tandem solar cells, necessitate evaluation of each product under standard test conditions.
Reference photovoltaic cells are developed in collaboration with AIST - Picture: Konica Minolta Sensing
Solar cell performance is evaluated by I-V measurement in accordance with IEC, ASTM, and JIS standards. Accurate measurements require use of a reference photovoltaic cell with a calibrated short-circuit current to adjust the intensity of the solar simulator to be used for measurements. Reference PV Cells AK-100 and AK-110 consist of a stable single-crystal silicon solar cell combined with newly designed glass filters and covered with a glass plate in a specially-manufactured frame, and can be calibrated as a secondary reference by Japan’s National Institute of Advanced Industrial Science and Technology (AIST).
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