Changes of solar cell parameters during damp-heat exposure

Jiang Zhu; Michael Koehl; Stephan Hoffmann; Karl Anton Berger; Shokufeh Zamini; Ian Bennett; Eric Gerritsen; Philippe Malbranche; Paola Pugliatti; Agnese Di Stefano; Francesco Aleo; Dario Bertani; Fabrizio Paletta; Francesco Roca; Giorgio Graditi; Michele Pellegrino; Oihana Zubillaga; F.J. Cano; Alberto Pozza; Tony Sample; Ralph Gottschalg; F. J.Cano Iranzo

doi:10.1002/pip.2793

Changes of solar cell parameters during damp-heat exposure

Jiang Zhu, Michael Koehl, Stephan Hoffmann, Karl Anton Berger, Shokufeh Zamini, Ian Bennett, Eric Gerritsen, Philippe Malbranche, Paola Pugliatti, Agnese Di Stefano, Francesco Aleo, Dario Bertani, Fabrizio Paletta, Francesco Roca, Giorgio Graditi, Michele Pellegrino, Oihana Zubillaga, F.J. Cano, Alberto Pozza, Tony SampleRalph Gottschalg, F. J.Cano Iranzo

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Abstract

The electrical ageing of photovoltaic modules during extended damp-heat tests at different stress levels is investigated for three types of crystalline silicon photovoltaic modules with different backsheets, encapsulants and cell types. Deploying different stress levels allows determination of an equivalent stress dose function, which is a first step towards a lifetime prediction of devices. The derived humidity dose is used to characterise the degradation of power as well as that of the solar cell's equivalent circuit parameters calculated from measured current–voltage characteristics. An application of this to the samples demonstrates different modes in the degradation and thus enables better understanding of the module's underlying ageing mechanisms. The analysis of changes in the solar cell equivalent circuit parameters identified the primary contributors to the power degradation and distinguished the potential ageing mechanism for each types of module investigated in this paper. © 2016 The Authors. Progress in Photovoltaics: Research and Applications published by John Wiley & Sons Ltd. © 2016 The Authors. Progress in Photovoltaics: Research and Applications published by John Wiley & Sons Ltd.

Original language	English
Pages (from-to)	1346-1358
Number of pages	13
Journal	unknown
Volume	unknown
Issue number	10
DOIs	https://doi.org/10.1002/pip.2793
Publication status	Published - 1 Oct 2016

Keywords

solar cells
photovoltaic modules
damp-heat
degradation
modelling
ageing

Project and Funding Information

Project ID
info:eu-repo/grantAgreement/EC/FP7/262533/EU/PhotoVoltaic European Research Infrastructure/SOPHIA.
Funding Info
This work was supported in part by the European Commission under FP7 grant N° 262533 SOPHIA (INFRA-2010-_x000D_ 1.1.22_CP-CSA-Infra) and by the Research Councils UK (RCUK) under project ‘Stability and Performance of Photovoltaics_x000D_ (STAPP)’ (contract no: EP/H040331/1).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1002/pip.2793

Zhu et al-2016-Progress in Photovoltaics Research and ApplicationsFinal published version, 1.19 MB

Cite this

Zhu, J., Koehl, M., Hoffmann, S., Berger, K. A., Zamini, S., Bennett, I., Gerritsen, E., Malbranche, P., Pugliatti, P., Di Stefano, A., Aleo, F., Bertani, D., Paletta, F., Roca, F., Graditi, G., Pellegrino, M., Zubillaga, O., Cano, F. J., Pozza, A., ... Iranzo, F. J. C. (2016). Changes of solar cell parameters during damp-heat exposure. unknown, unknown(10), 1346-1358. https://doi.org/10.1002/pip.2793

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title = "Changes of solar cell parameters during damp-heat exposure",

abstract = "The electrical ageing of photovoltaic modules during extended damp-heat tests at different stress levels is investigated for three types of crystalline silicon photovoltaic modules with different backsheets, encapsulants and cell types. Deploying different stress levels allows determination of an equivalent stress dose function, which is a first step towards a lifetime prediction of devices. The derived humidity dose is used to characterise the degradation of power as well as that of the solar cell's equivalent circuit parameters calculated from measured current–voltage characteristics. An application of this to the samples demonstrates different modes in the degradation and thus enables better understanding of the module's underlying ageing mechanisms. The analysis of changes in the solar cell equivalent circuit parameters identified the primary contributors to the power degradation and distinguished the potential ageing mechanism for each types of module investigated in this paper. {\textcopyright} 2016 The Authors. Progress in Photovoltaics: Research and Applications published by John Wiley & Sons Ltd. {\textcopyright} 2016 The Authors. Progress in Photovoltaics: Research and Applications published by John Wiley & Sons Ltd.",

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author = "Jiang Zhu and Michael Koehl and Stephan Hoffmann and Berger, {Karl Anton} and Shokufeh Zamini and Ian Bennett and Eric Gerritsen and Philippe Malbranche and Paola Pugliatti and {Di Stefano}, Agnese and Francesco Aleo and Dario Bertani and Fabrizio Paletta and Francesco Roca and Giorgio Graditi and Michele Pellegrino and Oihana Zubillaga and F.J. Cano and Alberto Pozza and Tony Sample and Ralph Gottschalg and Iranzo, {F. J.Cano}",

note = "Publisher Copyright: {\textcopyright} 2016 The Authors. Progress in Photovoltaics: Research and Applications published by John Wiley & Sons Ltd.",

year = "2016",

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Zhu, J, Koehl, M, Hoffmann, S, Berger, KA, Zamini, S, Bennett, I, Gerritsen, E, Malbranche, P, Pugliatti, P, Di Stefano, A, Aleo, F, Bertani, D, Paletta, F, Roca, F, Graditi, G, Pellegrino, M, Zubillaga, O, Cano, FJ, Pozza, A, Sample, T, Gottschalg, R & Iranzo, FJC 2016, 'Changes of solar cell parameters during damp-heat exposure', unknown, vol. unknown, no. 10, pp. 1346-1358. https://doi.org/10.1002/pip.2793

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T1 - Changes of solar cell parameters during damp-heat exposure

AU - Zhu, Jiang

AU - Koehl, Michael

AU - Hoffmann, Stephan

AU - Berger, Karl Anton

AU - Zamini, Shokufeh

AU - Bennett, Ian

AU - Gerritsen, Eric

AU - Malbranche, Philippe

AU - Pugliatti, Paola

AU - Di Stefano, Agnese

AU - Aleo, Francesco

AU - Bertani, Dario

AU - Paletta, Fabrizio

AU - Roca, Francesco

AU - Graditi, Giorgio

AU - Pellegrino, Michele

AU - Zubillaga, Oihana

AU - Cano, F.J.

AU - Pozza, Alberto

AU - Sample, Tony

AU - Gottschalg, Ralph

AU - Iranzo, F. J.Cano

PY - 2016/10/1

Y1 - 2016/10/1

N2 - The electrical ageing of photovoltaic modules during extended damp-heat tests at different stress levels is investigated for three types of crystalline silicon photovoltaic modules with different backsheets, encapsulants and cell types. Deploying different stress levels allows determination of an equivalent stress dose function, which is a first step towards a lifetime prediction of devices. The derived humidity dose is used to characterise the degradation of power as well as that of the solar cell's equivalent circuit parameters calculated from measured current–voltage characteristics. An application of this to the samples demonstrates different modes in the degradation and thus enables better understanding of the module's underlying ageing mechanisms. The analysis of changes in the solar cell equivalent circuit parameters identified the primary contributors to the power degradation and distinguished the potential ageing mechanism for each types of module investigated in this paper. © 2016 The Authors. Progress in Photovoltaics: Research and Applications published by John Wiley & Sons Ltd. © 2016 The Authors. Progress in Photovoltaics: Research and Applications published by John Wiley & Sons Ltd.

AB - The electrical ageing of photovoltaic modules during extended damp-heat tests at different stress levels is investigated for three types of crystalline silicon photovoltaic modules with different backsheets, encapsulants and cell types. Deploying different stress levels allows determination of an equivalent stress dose function, which is a first step towards a lifetime prediction of devices. The derived humidity dose is used to characterise the degradation of power as well as that of the solar cell's equivalent circuit parameters calculated from measured current–voltage characteristics. An application of this to the samples demonstrates different modes in the degradation and thus enables better understanding of the module's underlying ageing mechanisms. The analysis of changes in the solar cell equivalent circuit parameters identified the primary contributors to the power degradation and distinguished the potential ageing mechanism for each types of module investigated in this paper. © 2016 The Authors. Progress in Photovoltaics: Research and Applications published by John Wiley & Sons Ltd. © 2016 The Authors. Progress in Photovoltaics: Research and Applications published by John Wiley & Sons Ltd.

KW - solar cells

KW - photovoltaic modules

KW - damp-heat

KW - degradation

KW - modelling

KW - ageing

KW - solar cells

KW - photovoltaic modules

KW - damp-heat

KW - degradation

KW - modelling

KW - ageing

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U2 - 10.1002/pip.2793

DO - 10.1002/pip.2793

M3 - Article

VL - unknown

SP - 1346

EP - 1358

JO - unknown

JF - unknown

IS - 10

ER -

Changes of solar cell parameters during damp-heat exposure

Abstract

Keywords

Project and Funding Information

UN SDGs

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