Perovskite solar module-thermoelectric generator tandem system with high power output

IF 6.3 2区材料科学 Q2 ENERGY & FUELS

Solar Energy Materials and Solar Cells Pub Date : 2025-05-22 DOI:10.1016/j.solmat.2025.113737

Lianjian Mo , Yanxin Hu , Tingting Wu , Guangli Liu , Changxiang Fan , Mengjie Song

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引用次数: 0

Abstract

Combining perovskite solar cells (PSC) with thermoelectric generators (TEG) in a tandem system enables the utilisation of the full spectrum of sunlight, and is an effective way to reduce the operating temperature of PSC and increase the photovoltaic conversion efficiency (PCE). However, the current research on PSC in tandem with TEG is still limited to the laboratory scale size stage, which is unable to generate enough power to meet the demand of practical applications. In this regard, the electrical performance test system of the PSM-TEG tandem system was built by coupling the large-area perovskite solar module (PSM) and TEG, and the photothermal and photoelectric characteristics were studied under low concentrating light. The experimental results showed that the PCE of PSM-TEG was increased at all irradiation intensities, with a more pronounced effect observed at higher concentration ratios. Additionally, the feasibility of the PSM coupled with two thermoelectric generators (2TEGs) under high irradiance conditions was validated, showing a significant increase in the power output of the TEG. Furthermore, the results indicated that the perovskite solar module-thermoelectric generator-water-cooling tandem system (PSM-TEG-Water) achieved higher photoconversion efficiency and power output, measuring 12.68 % and 0.3 W, respectively. Notably, the temperature difference between the hot and cold sides of the TEG in the PSM-TEG-Water tandem system was greater and more stable than that of the PSM-TEG tandem system, which facilitated improved power collection and utilisation, contributed to more stable operation, and extended the lifespan of the device.

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高功率输出的钙钛矿太阳能组件-热电发电机串联系统

将钙钛矿太阳能电池（PSC）与热电发电机（TEG）串联在一起，可以利用全光谱的阳光，是降低PSC工作温度和提高光伏转换效率（PCE）的有效途径。然而，目前对PSC与TEG串联的研究仍局限于实验室规模尺寸阶段，无法产生足够的功率来满足实际应用的需求。为此，通过将大面积钙钛矿太阳能组件（PSM）与TEG耦合，搭建了PSM-TEG串联系统的电性能测试系统，研究了低聚光下的光热和光电特性。实验结果表明，在各种辐照强度下，PSM-TEG的PCE均有所增加，且浓度比越高，效果越明显。此外，在高辐照度条件下，验证了PSM与两台热电发电机（2teg）耦合的可行性，表明TEG的输出功率显着增加。此外，结果表明，钙钛矿太阳能组件-热电发电机-水冷串联系统（PSM-TEG-Water）具有更高的光转换效率和输出功率，分别为12.68%和0.3 W。值得注意的是，与PSM-TEG- water串联系统相比，PSM-TEG串联系统中TEG冷热侧温差更大，更稳定，这有助于改善电力收集和利用，有助于更稳定的运行，并延长设备的使用寿命。

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来源期刊

Solar Energy Materials and Solar Cells 工程技术-材料科学：综合

CiteScore

12.60

自引率

11.60%

发文量

513

审稿时长

47 days

期刊介绍： Solar Energy Materials & Solar Cells is intended as a vehicle for the dissemination of research results on materials science and technology related to photovoltaic, photothermal and photoelectrochemical solar energy conversion. Materials science is taken in the broadest possible sense and encompasses physics, chemistry, optics, materials fabrication and analysis for all types of materials.