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Titel:
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Corrosion resistance test based on electrochemical noise-limiting the number of long-lasting and costly climate chamber tests
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Auteur(s):
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Gepubliceerd door:
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Publicatie datum:
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ECN
Zonne-energie
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30-9-2013
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ECN publicatienummer:
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Publicatie type:
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ECN-M--13-030
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Conferentiebijdrage
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Aantal pagina's:
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Volledige tekst:
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3
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Download PDF
(240kB)
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Samenvatting:
Damp-heat testing of PV modules is a time-consuming process, taking months. The electrochemical noise (EcN) set-up is a fast, direct corrosion measurement of solar cells, whereby results can be obtained within one hour. EcN measurements are presented for several solar cell concepts and different environments. It correlates with damp-heat degradation involving corrosion, which is rather common in EVA-encapsulated crystalline Si modules. Furthermore, the EcN test can be done as an evaluation tool when probing alternative brands, formulations or processing for metallisation pastes and as a screening test for new batches of metallisation paste.
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