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Lifetime and degradation science (L&DS) has been implemented over the past two years to explore exposure protocols for accelerated weathering of back-surface aluminum mirrors for photovoltaic applications and to apprise PV developers of their implications. Using weathering protocols that induce degradation through heat, humidity, ultraviolet light and exposure to corrosive environments, a variety...
In developing photovoltaic (PV) technology for widespread adoption, it is crucial to provide PV power with comparable prices to traditional technologies. A method to lower the cost of energy delivered by a PV system is to increase power output. While PV panel costs account for as much as 50% of system costs [1] balance of system (BOS) is among the other major costs associated with PV technologies...
In the development of materials for enhanced photovoltaic (PV) performance, it is critical to have quantitative knowledge of the initial performance, as well as the performance of these materials over the required 25-year lifetime of the PV system. Lifetime and degradation science (L&DS) allows for the development of new metrology and metrics, coupled to degradation mechanisms and rates. All PV...
In renewable energy technologies, a critical challenge is achieving expected service lifetimes of 20–25 years and beyond. Our approach to the physics of failure is to develop new metrology and metrics, coupled to degradation mechanisms and rates, as the basis for lifetime and degradation science (L&DS). Induced absorbance to dose (IAD), a new metric being developed for solar radiation durability...
Low Concentration Photovoltaic Systems (LCPV), where solar irradiance is concentrated by a factor of 1–10, present real opportunities for cost competitiveness. In these systems electrical output per unit area of active materials increases nearly linearly with concentration factor, thereby reducing the cost of active materials per watt by up to a factor of 10. All PV systems are exposed to multifactor...
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