期刊
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
卷 153, 期 -, 页码 106-119出版社
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2022.12.063
关键词
Photovoltaic; Polymeric backsheets; Degradation; Environmental-friendly design; Zero-carbon
The degradation of insulation in polymeric backsheets is a major cause of accidents in photovoltaic modules. The photovoltaic industry urgently needs to discover degradation mechanisms and develop environmentally friendly backsheets. This review provides an innovative summary of detection methods for insulation deterioration and discusses the effect of ambient conditions on degradation. It also summarizes emerging materials and structures for enhancing insulation properties and energy conversion efficiency in photovoltaic cells, offering a comprehensive strategy for designing materials in future zero-carbon energy systems.
The insulation degradation in polymeric backsheets has been identified as a main cause of catastrophic accidents induced by short circuit or ground faults in photovoltaic module. To ensure quality, the photovoltaic industry is therefore faced with urgent demand in discovering degradation mechanisms. Moreover, the development of environmental-friendly backsheets and the establishment of backsheets recycling specifications are vital to fulfilling the requirements of a future reliable photovoltaic system with improved productivity. In this review, we innovatively summarize the detection methods of insulation deterioration from the viewpoints of spectroscopic, thermal and mechanical approaches. The corresponding ambient conditions in measurement and their accelerating effect on the degradation of photovoltaic backsheets are discussed. Subsequently, emerging novel materials and structures for enhancing insulation properties, anti-aging performance and optical-electrical energy conversion efficiency of photovoltaic cell are summarized. It offers a comprehensive strategy to design materials with optimal structures in photovoltaic module for a future zero-carbon energy system. (c) 2023 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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