Performance enhancement in a novel concentrated photovoltaic and liquid-flow thermocells hybrid system through optimal photovoltaic cells

Fanghao Zhong, Hongwei Chen, Ming Qu, Tianchao Ai, Shuqi Zhao, Haoyu Zou, Xiang Wei, Yangfan Song and Zhuo Liu

Energy, 2024, vol. 313, issue C

Abstract: Concentrated photovoltaic and liquid-flow thermocells (CPV-LITE) hybrid system is promising for full-spectrum solar utilization by effectively cooling PV and outputting more electricity. However, when using different photovoltaic materials, the performances of CPV and LITE may not be a perfect match due to its intrinsic material properties and manufacturing engineering. Herein, we demonstrated a novel hybrid system coupling LITE and CPV with optimal photovoltaic cells to promote its performance. A three-dimensional photo-thermal-electrical model of CPV-LITE was constructed considering the coupling of PV temperature and concentration ratio, wherein the multi-software collaborative computation was adopted to simplify the solution process. The CPV-LITEs with PV of distinct generation (Mono-Si, α-Si, CdTe, CIGS) were systematically investigated to obtain the optimal PV through thermodynamic and economic analyses. Results showed that among these PV, the Mono-Si presented the highest ηele of 20.0 % at 11 concentration ratios, showing a 1.0 % increase than corresponding CPV-TEG. At the electrolyte flowrate of 0.0752 m/s, the CPV-LITE can reach an optimal Pele of 1.74W for Mono-Si with a lower overall cost of 14.4 % than other PV materials. The LITE was suitable for Mono-Si, while TEG was better for the remains, which can efficiently output more electric energy by harvesting PV waste heat.

Keywords: Solar energy; Liquid-flow thermocells; Photovoltaic cells; Optimization; Ionic thermoelectric (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:313:y:2024:i:c:s0360544224036508

DOI: 10.1016/j.energy.2024.133872

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