<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This communication reports on the concerns associated with possible generation of galvanic coupling effects for construction materials that are used to manufacture mounting assemblies for ground-mounted photovoltaic (PV) power stations. For this purpose, six macro-corrosion galvanic cells were assembled, including: hot-dip Zn/Magnelis®-coated steel/Al and stainless steel (SS)/Al cells. Corrosion experiments involved continuous, ca. three-month exposure of these couplings in 3 wt.% NaCl solution, conducted at room temperature for a stable pH value of around 8. All corrosion cells were subjected to regular assessment of galvanic current-density and potential parameters, where special consideration was given to compare the corrosion behaviour of Zn-coated steel samples with that of Magnelis®-coated electrodes. Characterization of surface condition and elemental composition for examined materials was carried-out by means of SEM and EDX spectroscopy techniques.</p></abstract>

This communication reports on the concerns associated with possible generation of galvanic coupling effects for construction materials that are used to manufacture mounting assemblies for ground-mounted photovoltaic (PV) power stations. For this purpose, six macro-corrosion galvanic cells were assembled, including: hot-dip Zn/Magnelis®-coated steel/Al and stainless steel (SS)/Al cells. Corrosion experiments involved continuous, ca. three-month exposure of these couplings in 3 wt.% NaCl solution, conducted at room temperature for a stable pH value of around 8. All corrosion cells were subjected to regular assessment of galvanic current-density and potential parameters, where special consideration was given to compare the corrosion behaviour of Zn-coated steel samples with that of Magnelis®-coated electrodes. Characterization of surface condition and elemental composition for examined materials was carried-out by means of SEM and EDX spectroscopy techniques.

Galvanic coupling effects for module-mounting elements of ground-mounted photovoltaic power station

University of Warmia and Mazury in Olsztyn

Department of Chemistry, Faculty of Environmental Protection and Agriculture

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

This communication reports on the concerns associated with possible generation of galvanic coupling effects for construction materials that are used to...

Galvanic coupling effects for module-mounting elements of ground-mounted photovoltaic power station

Published Online: Dec 29, 2017

Page range: 22 - 27

DOI: https://doi.org/10.1515/pjct-2017-0063

Keywords
PV mounting assembly, Zn-coated steel, Magnelis® coating, galvanic coupling

© 2017 Boguslaw Pierozynski et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Galvanic coupling effects for module-mounting elements of ground-mounted photovoltaic power station

Published Online: Dec 29, 2017

Page range: 22 - 27

DOI: https://doi.org/10.1515/pjct-2017-0063

KeywordsPV mounting assembly, Zn-coated steel, Magnelis® coating, galvanic coupling

© 2017 Boguslaw Pierozynski et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
PV mounting assembly, Zn-coated steel, Magnelis® coating, galvanic coupling