The Effect of OPV Module Size on Stability and Diurnal Performance: Outdoor Tests and Application of a Computer Model

Tudur Wyn David, Noel Bristow, Vasil Stoichkov, Han Huang, Grazia Todeschini and Jeff Kettle
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Tudur Wyn David: School of Computer Science and Electronic Engineering, Bangor University, Dean Street, Bangor LL57 1UT, UK
Noel Bristow: School of Computer Science and Electronic Engineering, Bangor University, Dean Street, Bangor LL57 1UT, UK
Vasil Stoichkov: School of Computer Science and Electronic Engineering, Bangor University, Dean Street, Bangor LL57 1UT, UK
Han Huang: Faculty of Science and Engineering, Swansea University, Fabian Way, Swansea SA1 1EP, UK
Grazia Todeschini: Faculty of Science and Engineering, Swansea University, Fabian Way, Swansea SA1 1EP, UK
Jeff Kettle: James Watt School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK

Energies, 2021, vol. 14, issue 19, 1-11

Abstract: The outdoor performance of large area Organic Photovoltaics (OPVs) is investigated in this work. Initially, the diurnal performance of the three modules is determined and found to be similar. Subsequently module degradation is monitored, and it is found that the larger area module displays a significantly greater stability as compared to the smallest area module; in fact the larger module displays a T 50% (time to fall to 50% of its original value) of 191 days whilst the smallest module displays a T 50% of 57 days. This is attributed to an increased level of water infiltration due to a larger perimeter-to-area ratio. These findings are then used to verify a computer simulation model which allows the model parameters, series and shunt resistances, to be calculated. It is determined that the series resistance is not an obvious obstruction at these module sizes. The findings of this work provide great promise for the application of OPV technology on a larger scale.

Keywords: organic photovoltaic; OPV; stability; outdoor testing; modelling of OPVs (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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