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Performance enhancement of photovoltaic system using composite phase change materials

Author

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  • Govindasamy, Dhanusiya
  • Daniel, Freedon
  • Kumar, Ashwani

Abstract

Solar photovoltaic (PV) systems are becoming a more feasible energy source. Energy storage devices can increase Photovoltaic (PV) system performance when PV module temperature rises and electrical efficiency declines. This work uses Lauric and Palmitic acid composite phase change material to evaluate polycrystalline solar panels in real-time. The best Lauric and Palmitic acid ratio was 3:1 in experiments. Three other solar panels were fabricated using 7, 10, and 14 composite-filled Al pipes at the bottom, apart from the reference panel. Compared to panels with 7 and 10 Al-pipes, the L + P CPCM 14 Al-pipes panel had the greatest mean electrical output of 38.56 W, a peak average efficiency of 15.23 % while the average temperature was 43.74 °C. The highest temperature reduction of the CPCM was 26.2 % and the energy stored was 28.78 kJ. The CPCM exhibited a maximum power improvement of 39.9 % and an efficiency improvement of 31.1 %. However, the reference panel had the maximum mean electrical output of 27.56W and peak mean efficiency of 12.78 % only if all days of experimentation were considered.

Suggested Citation

  • Govindasamy, Dhanusiya & Daniel, Freedon & Kumar, Ashwani, 2024. "Performance enhancement of photovoltaic system using composite phase change materials," Energy, Elsevier, vol. 288(C).
    • Handle: RePEc:eee:energy:v:288:y:2024:i:c:s0360544223032656
    DOI: 10.1016/j.energy.2023.129871
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