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A highly-efficient concentrated perovskite solar cell-thermoelectric generator tandem system

Journal of Energy Chemistry 2021年第8期30卷 730-735,I0015页

作者： Yangying Zhou Yanan Chen Qi Zhang Yu Zhou Meiqian Tai Kunihito Koumoto Hong Lin State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua University100084 BeijingChina Nagoya Industrial Science Research Institute 464-0819 NagoyaJapan Center of Nanotechnology King Abdulaziz University21589 JeddahSaudi Arabia

concentrated photovoltaic(Cpv)has been identified as an effective method to further enhance the efficiency of photovoltaic *** studies on Cpv mainly focused on III-V multi-junction ***,Ⅲ-ⅤCpv technology is mainly used in niche applications due to its high ***,we use metal-halide perovskite solar cell(PSC)to demonstrate a concentrated photovoltaic-thermoelectric tandem *** thermoelectric generator(teg)is utilized to reduce the effect of heat generation under concentrated solar *** tandem system achieved a peak power conversion efficiency(PCE)of 25.0%at a solar concentration of 3 *** efficiency exceeded that of the single PSC by~4.7%.Our work proves that by controlling the heat flow in concentrated PSC-teg tandem system,the redundant heat produced by upper PSC can be effectively *** tandem structure provides a promising approach to improve the efficiency and stability of PSC under low-concentrated solar irradiation.

关键词： concentrated pv-teg tandem system Perovskite solar cell Thermal behavior Working stability

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A highly-efficient concentrated perovskite solar cell-thermoelectric generator tandem system

A highly-efficient concentrated perovskite solar cell-thermo...

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第八届新型太阳能材料科学与技术学术研讨会

作者： Yangying Zhou Hong Lin State Key Laboratory of New Ceramics & Fine Processing School of Materials Science and EngineeringTsinghua University

concentrated photovoltaic(Cpv) can exceed the S-Q limit and has been identified as an effective method to further enhance the efficiency of photovoltaic cells. Previous researches on Cpv field were mainly focused on III-V multi-junction cells, however, it has not been widely used in civilian fields due to its high cost. Here, we use metal-halide perovskite solar cell(PSC) to demonstrate a concentrated photovoltaic-thermoelectric tandem device. The thermoelectric generator(teg) is utilized to reduce the effect of heat generation under concentrated solar irradiance. Our tandem system achieved a peak power conversion efficiency(PCE) of 25.0% at the solar concentration of 3 suns, which was higher than the single PSC by ～ 4.7%. Our work proves that by controlling the heat flow in PSC-teg tandem system, the redundant heat produced by upper PSC can be effectively reused. This tandem structure provides a promising approach to further improve the efficiency of PSCs under low-concentrating solar radiation.

关键词： concentrated pv-teg tandem system perovskite solar cell thermal behavior working stability

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