Maximizing electrical power through the synergistic utilization of solar and space energy sources

Lv, Song; Bai, Haoliang; Ren, Juwen; Zhang, Bolong; Lai, Yin; Yang, Jiahao; Chang, Zhihao; Xie, Shangzhen; Deng, Yirong; Ji, Yishuang

doi:10.1016/j.isci.2024.109952

iScience

2024

DOI: 10.1016/j.isci.2024.109952

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Maximizing electrical power through the synergistic utilization of solar and space energy sources

Song Lv,

Haoliang Bai,

Juwen Ren

et al.

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Experimental and Comprehensive Study of a Full-Spectrum Solar Energy Efficient Cascade Utilization System Based on Spectral Splitting and Passive Cooling

Lv,

Deng,

Ren

et al. 2024

ACS Omega

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Solar photovoltaic (PV) conversion has become a key area in today's energy supply. However, incomplete utilization of the PV cell bandgap results in the conversion of photon energy outside the bandgap into waste heat, reducing the overall efficiency. Improving spectral utilization efficiency and mitigating the effects of PV waste heat are top priorities. In order to solve these problems, this study proposes a full-spectrum solar energy step utilization system that combines spectral splitting with passive radiative cooling. Spectral splitting is utilized to direct photon energy from inside and outside the bandgap to the PV cell and the thermoelectric generator, respectively, and passive radiative cooling is utilized to increase the thermoelectric temperature difference, broaden the spectral utilization range, and improve the energy utilization efficiency. The accuracy of the simulation model was verified through outdoor experiments, and the surface temperature of the PV modules was found to be reduced by 2.59 °C. With the help of the model, the study investigated the effect of environmental factors such as wind speed, humidity and ambient temperature on the performance of the system. This comprehensive analysis demonstrates the potential of combining radiative cooling with full-spectrum solar energy utilization for efficient and high-quality spectral utilization.

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Experimental and Comprehensive Study of a Full-Spectrum Solar Energy Efficient Cascade Utilization System Based on Spectral Splitting and Passive Cooling

Lv,

Deng,

Ren

et al. 2024

ACS Omega

View full text Add to dashboard Cite

show abstract

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Maximizing electrical power through the synergistic utilization of solar and space energy sources

Cited by 1 publication

References 43 publications

Experimental and Comprehensive Study of a Full-Spectrum Solar Energy Efficient Cascade Utilization System Based on Spectral Splitting and Passive Cooling

Experimental and Comprehensive Study of a Full-Spectrum Solar Energy Efficient Cascade Utilization System Based on Spectral Splitting and Passive Cooling

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