Discoloration of PV Encapsulants

John H. Wohlgemuth; Michael D. Kempe; David C. Miller

doi:10.1109/PVSC.2013.6745147

Discoloration of PV Encapsulants

John H. Wohlgemuth, Michael D. Kempe, David C. Miller

Materials Science

National Renewable Energy Laboratory

Research output: Contribution to conference › Paper › peer-review

38 Scopus Citations

Abstract

Discoloration of E VA encapsulants with accompanying module power loss was observed in the 1990s. Detailed analyses of the failure modes and recommendations on minimizing the effects have been published. Recent studies, however, indicate that the discoloration has not been eliminated in fielded photovoltaic (PV) modules and is still a major contributor to power degradation in crystalline silicon PV modules. Recent changes in the PV industry and its supply chain make it likely that this phenomenon could be a more significant problem (with significant relearning) in the future. This paper will review the past work on E VA discoloration, present and explain the new results on long-term degradation, and make recommendations on how to limit encapsulation discoloration going forward.

Original language	American English
Pages	3260-3265
Number of pages	6
DOIs	https://doi.org/10.1109/PVSC.2013.6745147 https://doi.org/10.1109/PVSC.2013.6745147
State	Published - 2013
Event	39th IEEE Photovoltaic Specialists Conference, PVSC 2013 - Tampa, FL, United States Duration: 16 Jun 2013 → 21 Jun 2013

Conference

Conference	39th IEEE Photovoltaic Specialists Conference, PVSC 2013
Country/Territory	United States
City	Tampa, FL
Period	16/06/13 → 21/06/13

NREL Publication Number

NREL/CP-5200-57904

Keywords

Degradation of photovoltaic modules
Photovoltaic encapsulants

UN SDGs

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

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abstract = "Discoloration of E VA encapsulants with accompanying module power loss was observed in the 1990s. Detailed analyses of the failure modes and recommendations on minimizing the effects have been published. Recent studies, however, indicate that the discoloration has not been eliminated in fielded photovoltaic (PV) modules and is still a major contributor to power degradation in crystalline silicon PV modules. Recent changes in the PV industry and its supply chain make it likely that this phenomenon could be a more significant problem (with significant relearning) in the future. This paper will review the past work on E VA discoloration, present and explain the new results on long-term degradation, and make recommendations on how to limit encapsulation discoloration going forward.",

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doi = "10.1109/PVSC.2013.6745147",

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AU - Kempe, Michael D.

AU - Miller, David C.

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AB - Discoloration of E VA encapsulants with accompanying module power loss was observed in the 1990s. Detailed analyses of the failure modes and recommendations on minimizing the effects have been published. Recent studies, however, indicate that the discoloration has not been eliminated in fielded photovoltaic (PV) modules and is still a major contributor to power degradation in crystalline silicon PV modules. Recent changes in the PV industry and its supply chain make it likely that this phenomenon could be a more significant problem (with significant relearning) in the future. This paper will review the past work on E VA discoloration, present and explain the new results on long-term degradation, and make recommendations on how to limit encapsulation discoloration going forward.

KW - Degradation of photovoltaic modules

KW - Photovoltaic encapsulants

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M3 - Paper

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T2 - 39th IEEE Photovoltaic Specialists Conference, PVSC 2013

Y2 - 16 June 2013 through 21 June 2013

ER -

Discoloration of PV Encapsulants

Abstract

Conference

NREL Publication Number

Keywords

UN SDGs

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