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Citation
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HERO ID
9104758
Reference Type
Journal Article
Title
The effect of moisture on the degradation mechanism of multi-crystalline silicon photovoltaic module
Author(s)
Kim, TH; Park, NC; Kim, DH
Year
2013
Is Peer Reviewed?
1
Journal
Microelectronics Reliability
ISSN:
0026-2714
Volume
53
Issue
9
Page Numbers
1823-1827
DOI
10.1016/j.microrel.2013.07.047
URL
https://www.sciencedirect.com/science/article/pii/S0026271413002229
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Abstract
Moisture can diffuse into a photovoltaic (PV) module through its breathable back-sheet and its ethylene vinyl acetate (EVA) sheet. Therefore moisture-induced degradation mechanism is investigated with multi-crystalline (m-Si) silicon PV module. Three types of accelerated tests (ATs) were conducted to evaluate the effect of temperature and humidity on the degradation of m-Si PV module. The thermal activation energy for degradation, 0.492eV, was calculated. Electroluminescence image shows that moisture has an effect on the module degradation. Electrical measurements, Dark IV and Suns Voc indicate that series resistance (Rs) contributes to drop in power output. The results of SEM&EDX and Auger Electron Spectroscopy (AES) reveal that corrosion occurred at the region of solder joint and also show that the oxide concentration on the metal electrode increased after the AT.
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Project 9 – Soil and Dust Ingestion
Ethylene
Breath ethylene
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