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The Gaussian non-uniform temperature field on PV cells - A unique solution for enhancing the performance of the PV/T module

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  • Li, Guiqiang
  • Lu, Yashun
  • Zhao, Xudong

Abstract

Hybrid photovoltaic and thermal (PV/T) module can generate both thermal and electrical energy and thus achieve a higher overall solar efficiency compared to the independent solar thermal and PV modules of same sizes. However, electrical efficiency of the PVs falls with the rise of the temperature of PV cells which has affected the enhancement of energy performance of the PV/T modules. Recently we found an interesting physical phenomenon that indicates at a specific non-uniform temperature field (i.e. Gaussian), the PV cells in a PV/T module can achieve a significantly higher electrical efficiency 1.978% and 1.653% compared to the anti-Gaussian and uniform temperature fields. This finding creates an opportunity to enhance the energy performance of the PVs in a simple, measurable and cost-effective way.

Suggested Citation

  • Li, Guiqiang & Lu, Yashun & Zhao, Xudong, 2022. "The Gaussian non-uniform temperature field on PV cells - A unique solution for enhancing the performance of the PV/T module," Energy, Elsevier, vol. 250(C).
    • Handle: RePEc:eee:energy:v:250:y:2022:i:c:s0360544222005242
    DOI: 10.1016/j.energy.2022.123621
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    References listed on IDEAS

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    1. Rounis, Efstratios Dimitrios & Athienitis, Andreas & Stathopoulos, Theodore, 2021. "Review of air-based PV/T and BIPV/T systems - Performance and modelling," Renewable Energy, Elsevier, vol. 163(C), pages 1729-1753.
    2. Tang, Xin & Li, Guiqiang & Zhao, Xudong, 2021. "Performance analysis of a novel hybrid electrical generation system using photovoltaic/thermal and thermally regenerative electrochemical cycle," Energy, Elsevier, vol. 232(C).
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    4. Li, Guiqiang & Xuan, Qingdong & Pei, Gang & Su, Yuehong & Ji, Jie, 2018. "Effect of non-uniform illumination and temperature distribution on concentrating solar cell - A review," Energy, Elsevier, vol. 144(C), pages 1119-1136.
    5. Bahaidarah, H. & Subhan, Abdul & Gandhidasan, P. & Rehman, S., 2013. "Performance evaluation of a PV (photovoltaic) module by back surface water cooling for hot climatic conditions," Energy, Elsevier, vol. 59(C), pages 445-453.
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    Cited by:

    1. Wang, Qiliang & Yao, Yao & Shen, Zhicheng & Yang, Hongxing, 2023. "A hybrid parabolic trough solar collector system integrated with photovoltaics," Applied Energy, Elsevier, vol. 329(C).
    2. Lu, Yashun & Li, Guiqiang, 2023. "Potential application of electrical performance enhancement methods in PV/T module," Energy, Elsevier, vol. 281(C).

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