4.7 Article

Desert label development for improved reliability and durability of photovoltaic modules in harsh desert conditions

Journal

SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 236, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.solmat.2021.111508

Keywords

Desert; PV module; Degradation; Encapsulant; UV; Heterojunction

Funding

  1. Chilean Economic Development Agency (CORFO) [17PTECES-75830]
  2. Gobierno Regional (GORE-Antofagasta, Chile) [30488824-0]
  3. ANID/FONDECYT Project [11190289]
  4. project Solar Energy Research Center SERC-Chile [ANID/FONDAP/15110019]

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We propose a definition for an accelerated ageing procedure for photovoltaic modules under high irradiance and desert conditions, aiming to create a Desert Label for the Atacama Desert. We present experimental findings from indoor tests and outdoor monitoring, which allow us to select appropriate ageing tests and evaluate the reliability and durability of different module configurations.
We present strong arguments and experimental findings for the definition of a photovoltaic module accelerated ageing procedure for high irradiance and desert conditions to create a Desert Label for the particular Atacama Desert climatic conditions. A special focus on high ultraviolet solar radiation dosage in combination with either damp heat, salt mist or aggressive thermal cycling are presented. Indoor experimental results, strengthened by outdoor monitoring of sister mini-modules at the Atacama Desert, allowed selecting the appropriate ageing tests while exploring the reliability and durability of a wide range of module configurations, including various typical encapsulants, high efficiency cell technologies and module designs, for industrial applications.

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