Zhiwei Li, Anan Ma, Jian Huang, Chengfa Liu, Kai Yu, Hongbin Hou, Le Zhou, Qin Xiao, Xilian Sun, Le Wang, Yifeng Chen, Jifan Gao, Shaowen Huang, Lang Zhou
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引用次数: 0
Abstract
Polarization-type potential-induced degradation (PID-p) has become a risk for tunnel oxide passivated contact (TOPCon) solar cell modules. For the sake of intimating the long-term PID-p degradation of the modules under outdoor illumination, this study investigates the impact of different types and timing of illumination on the PID-p on the double-sided EVA encapsulated TOPCon modules: 1) multiple cycles of a PID test in the dark followed by a 2 kWh UV recovery; 2) PID tests under 170 W/m2 UV illumination; and 3) PID tests under 800 W/m2 simulated steady-state solar illumination. We find that all three testing methods lead to less power degradation than that in the dark after 96 h so that TOPCon photovoltaic modules will not suffer from severe PID-p risk in short term when running outdoors. After 672 h, the module subjected to PID tests under 800 W/m2 simulated steady-state solar illumination shows the lowest degradation of −3.18%. This method more closely resembles the long-term outdoor operating conditions, where the module generating voltage under illumination forms a ground potential. Moreover, excessive UV irradiation in the testing method may exacerbate the UV-induced degradation issue and accelerate the aging of the encapsulant.
Solar RRLPhysics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
12.10
自引率
6.30%
发文量
460
期刊介绍:
Solar RRL, formerly known as Rapid Research Letters, has evolved to embrace a broader and more encompassing format. We publish Research Articles and Reviews covering all facets of solar energy conversion. This includes, but is not limited to, photovoltaics and solar cells (both established and emerging systems), as well as the development, characterization, and optimization of materials and devices. Additionally, we cover topics such as photovoltaic modules and systems, their installation and deployment, photocatalysis, solar fuels, photothermal and photoelectrochemical solar energy conversion, energy distribution, grid issues, and other relevant aspects. Join us in exploring the latest advancements in solar energy conversion research.