Strategies to Facilitate Photovoltaic Applications in Road Structures for Energy Harvesting
Photovoltaic (PV) facilities are sustainable and promising approaches for energy harvesting, but their applications usually require adequate spaces. Road structures account for a considerable proportion of urban and suburban areas and may be feasible for incorporation with photovoltaic facilities, a...
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2021
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oai:doaj.org-article:ead90739097e4adcac0d04748e3127592021-11-11T15:53:53ZStrategies to Facilitate Photovoltaic Applications in Road Structures for Energy Harvesting10.3390/en142170971996-1073https://doaj.org/article/ead90739097e4adcac0d04748e3127592021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7097https://doaj.org/toc/1996-1073Photovoltaic (PV) facilities are sustainable and promising approaches for energy harvesting, but their applications usually require adequate spaces. Road structures account for a considerable proportion of urban and suburban areas and may be feasible for incorporation with photovoltaic facilities, and thereby have attracted research interests. One solution for such applications is to take advantage of the spare ground in road facilities without traffic load, where the solar panels are mounted as their conventional applications. Such practices have been applied in medians and slopes of roads and open spaces in interchanges. Applications in accessory buildings and facilities including noise/wind barriers, parking lots, and lightings have also been reported. More efforts in existing researches have been paid to PV applications in load-bearing pavement structures, possibly because the pavement structures cover the major area of road structures. Current strategies are encapsulating PV cells by transparent coverings to different substrates to prefabricate modular PV panels in factories for onsite installation. Test road sections with such modular solar panels have been reported, where inferior cost-effectiveness and difficulties in maintenance have been evidenced, suggesting more challenges exist than expected. In order to enhance the power output of the integrated PV facilities, experiences from building-integrated PVs may be helpful, including a selection of proper PV technologies, an optimized inclination of PV panels, and mitigating the operational temperature of PV cells. Novel integrations of amorphous silicon PV cells and glass fiber reinforced polymer profiles are proposed in this research for multi-scenario applications, and their mechanical robustness was evaluated by bending experiments.Yiqing DaiYan YinYundi LuMDPI AGarticlephotovoltaicssolar panelenergy harvestinghighwayurban streetexperimental investigationTechnologyTENEnergies, Vol 14, Iss 7097, p 7097 (2021) |
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photovoltaics solar panel energy harvesting highway urban street experimental investigation Technology T |
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photovoltaics solar panel energy harvesting highway urban street experimental investigation Technology T Yiqing Dai Yan Yin Yundi Lu Strategies to Facilitate Photovoltaic Applications in Road Structures for Energy Harvesting |
description |
Photovoltaic (PV) facilities are sustainable and promising approaches for energy harvesting, but their applications usually require adequate spaces. Road structures account for a considerable proportion of urban and suburban areas and may be feasible for incorporation with photovoltaic facilities, and thereby have attracted research interests. One solution for such applications is to take advantage of the spare ground in road facilities without traffic load, where the solar panels are mounted as their conventional applications. Such practices have been applied in medians and slopes of roads and open spaces in interchanges. Applications in accessory buildings and facilities including noise/wind barriers, parking lots, and lightings have also been reported. More efforts in existing researches have been paid to PV applications in load-bearing pavement structures, possibly because the pavement structures cover the major area of road structures. Current strategies are encapsulating PV cells by transparent coverings to different substrates to prefabricate modular PV panels in factories for onsite installation. Test road sections with such modular solar panels have been reported, where inferior cost-effectiveness and difficulties in maintenance have been evidenced, suggesting more challenges exist than expected. In order to enhance the power output of the integrated PV facilities, experiences from building-integrated PVs may be helpful, including a selection of proper PV technologies, an optimized inclination of PV panels, and mitigating the operational temperature of PV cells. Novel integrations of amorphous silicon PV cells and glass fiber reinforced polymer profiles are proposed in this research for multi-scenario applications, and their mechanical robustness was evaluated by bending experiments. |
format |
article |
author |
Yiqing Dai Yan Yin Yundi Lu |
author_facet |
Yiqing Dai Yan Yin Yundi Lu |
author_sort |
Yiqing Dai |
title |
Strategies to Facilitate Photovoltaic Applications in Road Structures for Energy Harvesting |
title_short |
Strategies to Facilitate Photovoltaic Applications in Road Structures for Energy Harvesting |
title_full |
Strategies to Facilitate Photovoltaic Applications in Road Structures for Energy Harvesting |
title_fullStr |
Strategies to Facilitate Photovoltaic Applications in Road Structures for Energy Harvesting |
title_full_unstemmed |
Strategies to Facilitate Photovoltaic Applications in Road Structures for Energy Harvesting |
title_sort |
strategies to facilitate photovoltaic applications in road structures for energy harvesting |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/ead90739097e4adcac0d04748e312759 |
work_keys_str_mv |
AT yiqingdai strategiestofacilitatephotovoltaicapplicationsinroadstructuresforenergyharvesting AT yanyin strategiestofacilitatephotovoltaicapplicationsinroadstructuresforenergyharvesting AT yundilu strategiestofacilitatephotovoltaicapplicationsinroadstructuresforenergyharvesting |
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