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Particle size-dependent adhesion forces and wind removal efficiency of anti-soiling coatings on textured solar glasses

Published online by Cambridge University Press:  27 August 2019

Klemens K. Ilse*
Affiliation:
Fraunhofer Center for Silicon Photovoltaics CSP, D-06120 Halle (Saale), Germany Fraunhofer Institute for Microstructure of Materials and Systems IMWS, 06120 Halle (Saale), Germany Faculty EMW, Anhalt University of Applied Sciences, Koethen (Anhalt), Germany
Harish Nagari Gurumoorthy
Affiliation:
Fraunhofer Center for Silicon Photovoltaics CSP, D-06120 Halle (Saale), Germany Fraunhofer Institute for Microstructure of Materials and Systems IMWS, 06120 Halle (Saale), Germany Faculty EMW, Anhalt University of Applied Sciences, Koethen (Anhalt), Germany
Mohammed A. Bahattab
Affiliation:
King Abdulaziz City for Science and Technology KACST, Riad, Saudi Arabia
Saad H. Alqahtani
Affiliation:
King Abdulaziz City for Science and Technology KACST, Riad, Saudi Arabia
Mark Mirza
Affiliation:
Fraunhofer Institute for Silicate Research ISC, D-97082 Würzburg, Germany
Walther Glaubitt
Affiliation:
Fraunhofer Institute for Silicate Research ISC, D-97082 Würzburg, Germany
Volker Naumann
Affiliation:
Fraunhofer Center for Silicon Photovoltaics CSP, D-06120 Halle (Saale), Germany Fraunhofer Institute for Microstructure of Materials and Systems IMWS, 06120 Halle (Saale), Germany
Christian Hagendorf
Affiliation:
Fraunhofer Center for Silicon Photovoltaics CSP, D-06120 Halle (Saale), Germany Fraunhofer Institute for Microstructure of Materials and Systems IMWS, 06120 Halle (Saale), Germany
Jörg Bagdahn
Affiliation:
Faculty EMW, Anhalt University of Applied Sciences, Koethen (Anhalt), Germany
*
Address all correspondence to Klemens Ilse at [email protected]
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Abstract

Soiling can lead to severe performance losses of photovoltaic (PV) plants. Within this study, three different anti-soiling coatings (ASC) were applied to three different commercial, solar-grade rolled glasses with different surface structures. Laboratory soiling experiments were performed including wind simulation and a novel rotational force test to assess the influence of different surface structures of the glass substrate on the anti-soiling performance of the coatings. A detailed microscopic evaluation indicates a consistent ranking of the ASC with regard to particle resuspension behavior for both test methods and all substrates. Furthermore, the rotational force test yields a quantitative measure of the median force needed for particle removal from the respective coating, which is independent of the glass substrate surface morphology.

Type
Research Letters
Copyright
Copyright © The Author(s) 2019 

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References

1.Ilse, K.K., Figgis, B.W., Micheli, L., Wolfertstetter, F., Daßler, D., Hanifi, H., Naumann, V., Lange, K., Hagendorf, C., Gottschalg, R., and Bagdahn, J.: Techno-economical assessment of soiling losses in global solar energy production and mitigation strategies. Joule (2019) (submitted and under review).Google Scholar
2.Ilse, K.K., Figgis, B.W., Naumann, V., Hagendorf, C., and Bagdahn, J.: Fundamentals of soiling processes on photovoltaic modules. Renew. Sustain. Energy Rev 98, 239 (2018).Google Scholar
3.Sarver, T., Al-Qaraghuli, A., and Kazmerski, L.L.: A comprehensive review of the impact of dust on the use of solar energy: history, investigations, results, literature, and mitigation approaches. Renew. Sustain. Energy Rev 22, 698733 (2013).Google Scholar
4.Figgis, B., Ennaoui, A., Ahzi, S., and Rémond, Y.: Review of PV soiling particle mechanics in desert environments. Renew. Sustain. Energy Rev 76, 872881 (2017).Google Scholar
5.Bahattab, M.A., Alhomoudi, I.A., Alhussaini, M.I., Mirza, M., Hegmann, J., Glaubitt, W., and Löbmann, P.: Anti-soiling surfaces for PV applications prepared by sol-gel processing: comparison of laboratory testing and outdoor exposure. Sol. Energy Mater. Sol. Cells 157, 422428 (2016).Google Scholar
6.Glaubitt, W. and Löbmann, P.: Anti-soiling effect of porous SiO2 coatings prepared by sol–gel processing. J. Sol-Gel Sci. Technol 59, 239244 (2011).Google Scholar
7.Lange, K., Bahattab, M.A., Alqahtani, S.H., Mirza, M., Glaubitt, W., Naumann, V., Hagendorf, C., and Ilse, K.K.: Combined soiling and abrasion testing of anti-soiling coatings. IEEE J. Photovolt. (2019) (in press).Google Scholar
8.Ilse, K.K., Khan, M.Z., Voicu, N., Naumann, V., and Hagendorf, C.: Advanced performance testing of anti-soiling coatings: part I: laboratory test setup and experimental results. Sol. Energy Mater. Sol. Cells (2019) (in press). doi: 10.1016/j.solmat.2019.110048.Google Scholar
9.Ilse, K.K., Khan, M.Z., Lange, K., Voicu, N., Naumann, V., and Hagendorf, C.: Advanced performance testing of anti-soiling coatings: part II: particle-size dependent analysis and determination of adhesion forces. Sol. Energy Mater. Sol. Cells (2019) (in press). doi: 10.1016/j.solmat.2019.110049.Google Scholar
10.Ilse, K.K., Khan, M.Z., Lange, K., Gurumoorthy, H.N., Naumann, V., and Hagendorf, C.: Rotational force test method for determination of particle adhesion – from a simplified model to realistic dusts. In preparation.Google Scholar
11.Ilse, K.K., Figgis, B.W., Werner, M., Naumann, V., Hagendorf, C., Pöllmann, H., and Bagdahn, J.: Comprehensive analysis of soiling and cementation processes on PV modules in Qatar. Sol. Energy Mater. Sol. Cells 186, 309323 (2018).Google Scholar
12.You, S. and Wan, M.P.: Modeling and experiments of the adhesion force distribution between particles and a surface. Langmuir 30, 68086818 (2014).Google Scholar
13.Götzinger, M. and Peukert, W.: Particle adhesion force distributions on rough surfaces. Langmuir 20, 52985303 (2004).Google Scholar
14.Kazmerski, L.L., Diniz, A.S.A.C., Maia, C.B., Viana, M.M., Costa, S.C., Brito, P.P., Dias Campos, C., de Morais Hanriot, S., and de Oliveira Cruz, L.R.: Soiling particle interactions on PV modules: Surface and inter-particle adhesion and chemistry effects. IEEE 43th Photovoltaics Spec. Conf., Portland, OR, 17141717 (2004).Google Scholar
15.Kazmerski, L.L, Diniz, A.S.A.C., Maia, C.B., Viana, M.M., Costa, S.C., Brito, P.P., Dias Campos, C., Machado Neto, L.V., de Morais Hanriot, S., and de Oliveira Cruz, L.R.: Fundamental studies of the adhesion of dust to PV module chemical and physical relationships at the microscale. 2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC), 17 (2015).Google Scholar
16.Isaifan, R.J., Johnson, D., Ackermann, L., Figgis, B., and Ayoub, M.: Evaluation of the adhesion forces between dust particles and photovoltaic module surfaces. Sol. Energy Mater. Sol. Cells 191, 413421 (2019).Google Scholar
17.Moutinho, H.R., Jiang, C.-S., To, B., Perkins, C., Muller, M., Al-Jassim, M.M., and Simpson, L.: Adhesion mechanisms on solar glass: Effects of relative humidity, surface roughness, and particle shape and size. Sol. Energy Mater. Sol. Cells 172, 145153 (2017).Google Scholar
18.Moutinho, H.R., To, B., Jiang, C.-S., Engtrakul, C., Einhorn, A., Sellinger, A., Yemam, H.A., Al-Jassim, M.M., and Simpson, L.: Effects of solar-glass coatings on the adhesion forces related to soiling. 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC), 34393443 (2018).Google Scholar