Wavelength-selective solar photovoltaic systems to enhance spectral sharing of sunlight in agrivoltaics

IF 38.6 1区 材料科学 Q1 CHEMISTRY, PHYSICAL Joule Pub Date : 2024-09-18 DOI:10.1016/j.joule.2024.08.006
Silvia Ma Lu , Stefano Amaducci , Shiva Gorjian , Matthew Haworth , Carl Hägglund , Tao Ma , Sebastian Zainali , Pietro Elia Campana
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Abstract

Agrivoltaic systems offer a solution to the debate over using agricultural land for food production or energy conversion. Conventional silicon solar panels often shade plants excessively, impacting growth. Wavelength-selective photovoltaic (WSPV) technologies address this by allowing the transmission of beneficial wavelengths for photosynthesis while converting less useful ones into electricity. Wavelength selectivity can be achieved through various methods, such as by tuning photoactive layers, applying colored semi-transparent layers, utilizing mirrors and lenses, or designing spectrally selective luminophores. While evidence suggests that these technologies effectively share sunlight, many of them are yet to be fully implemented and evaluated. This review covers current WSPV technologies, discussing their classification, status, and future prospects. It also provides appropriate PV performance metrics for WSPV technologies in agricultural applications and advocates for standardized reporting practices in crop experiments conducted under WSPV systems, accompanied by practical suggestions. Solar cell efficiency limits under spectral sharing for crop production and the optimal band gap under varying levels of photosynthetically active radiation for crop growth are further examined as guidance for future development.

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波长选择性太阳能光伏系统,提高农业光伏领域的太阳光光谱共享水平
农业光伏系统为利用农业用地进行粮食生产或能源转换的争论提供了一种解决方案。传统的硅太阳能电池板通常会过度遮蔽植物,影响生长。波长选择性光伏(WSPV)技术可以解决这一问题,它允许传输对光合作用有益的波长,同时将不太有用的波长转化为电能。波长选择性可通过各种方法实现,如调整光活性层、应用彩色半透明层、利用镜子和透镜或设计光谱选择性发光体。虽然有证据表明这些技术可以有效地分享阳光,但其中许多技术仍有待全面实施和评估。本综述涵盖了当前的 WSPV 技术,讨论了它们的分类、现状和未来前景。它还为农业应用中的 WSPV 技术提供了适当的光伏性能指标,并倡导在 WSPV 系统下进行的作物实验中采用标准化报告方法,同时提出了实用建议。还进一步研究了作物生产光谱共享下的太阳能电池效率限制,以及作物生长所需的不同水平光合有效辐射下的最佳带隙,为未来发展提供指导。
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来源期刊
Joule
Joule Energy-General Energy
CiteScore
53.10
自引率
2.00%
发文量
198
期刊介绍: Joule is a sister journal to Cell that focuses on research, analysis, and ideas related to sustainable energy. It aims to address the global challenge of the need for more sustainable energy solutions. Joule is a forward-looking journal that bridges disciplines and scales of energy research. It connects researchers and analysts working on scientific, technical, economic, policy, and social challenges related to sustainable energy. The journal covers a wide range of energy research, from fundamental laboratory studies on energy conversion and storage to global-level analysis. Joule aims to highlight and amplify the implications, challenges, and opportunities of novel energy research for different groups in the field.
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