Optimization of Shingled-Type Lightweight Glass-Free Solar Modules for Building Integrated Photovoltaics

High-power and lightweight photovoltaic (PV) modules are suitable for building-integrated photovoltaic (BIPV) systems. Due to the characteristics of the installation sites, the BIPV solar modules are limited by weight and installation area. In this study, we fabricated glass-free and shingled-type P...

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Main Authors: Min-Joon Park, Sungmin Youn, Kiseok Jeon, Soo Ho Lee, Chaehwan Jeong
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/12/10/5011
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author Min-Joon Park
Sungmin Youn
Kiseok Jeon
Soo Ho Lee
Chaehwan Jeong
author_facet Min-Joon Park
Sungmin Youn
Kiseok Jeon
Soo Ho Lee
Chaehwan Jeong
author_sort Min-Joon Park
collection DOAJ
description High-power and lightweight photovoltaic (PV) modules are suitable for building-integrated photovoltaic (BIPV) systems. Due to the characteristics of the installation sites, the BIPV solar modules are limited by weight and installation area. In this study, we fabricated glass-free and shingled-type PV modules with an area of 1040 mm × 965 mm, which provide more conversion power compared to conventional PV modules at the same installed area. Further, we employed an ethylene tetrafluoroethylene sheet instead of a front cover glass and added an Al honeycomb sandwich structure to enhance the mechanical stability of lightweight PV modules. To optimize the conversion power of the PV module, we adjusted the amount of dispensed electrically conductive adhesives between the solar cells. Finally, we achieved a conversion power of 195.84 W at an area of 1.004 m<sup>2</sup>, and we performed standard reliability tests using a PV module that weighed only 9 kg/m<sup>2</sup>.
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spelling doaj.art-15deacdf86c44149a613a9e21c9b4a512023-11-23T09:56:25ZengMDPI AGApplied Sciences2076-34172022-05-011210501110.3390/app12105011Optimization of Shingled-Type Lightweight Glass-Free Solar Modules for Building Integrated PhotovoltaicsMin-Joon Park0Sungmin Youn1Kiseok Jeon2Soo Ho Lee3Chaehwan Jeong4Green Energy & Nano Technology R&D Group, Korea Institute of Industrial Technology, Gwangju 61012, KoreaGreen Energy & Nano Technology R&D Group, Korea Institute of Industrial Technology, Gwangju 61012, KoreaGreen Energy & Nano Technology R&D Group, Korea Institute of Industrial Technology, Gwangju 61012, KoreaPhotovoltaic R&D Center, Solbigtech Co., Ltd., Gwangju 61012, KoreaGreen Energy & Nano Technology R&D Group, Korea Institute of Industrial Technology, Gwangju 61012, KoreaHigh-power and lightweight photovoltaic (PV) modules are suitable for building-integrated photovoltaic (BIPV) systems. Due to the characteristics of the installation sites, the BIPV solar modules are limited by weight and installation area. In this study, we fabricated glass-free and shingled-type PV modules with an area of 1040 mm × 965 mm, which provide more conversion power compared to conventional PV modules at the same installed area. Further, we employed an ethylene tetrafluoroethylene sheet instead of a front cover glass and added an Al honeycomb sandwich structure to enhance the mechanical stability of lightweight PV modules. To optimize the conversion power of the PV module, we adjusted the amount of dispensed electrically conductive adhesives between the solar cells. Finally, we achieved a conversion power of 195.84 W at an area of 1.004 m<sup>2</sup>, and we performed standard reliability tests using a PV module that weighed only 9 kg/m<sup>2</sup>.https://www.mdpi.com/2076-3417/12/10/5011lightweight photovoltaic modulesshingled-type stringsethylene tetrafluoroethyleneAl honeycomb structuresbuilding integrated photovoltaics
spellingShingle Min-Joon Park
Sungmin Youn
Kiseok Jeon
Soo Ho Lee
Chaehwan Jeong
Optimization of Shingled-Type Lightweight Glass-Free Solar Modules for Building Integrated Photovoltaics
Applied Sciences
lightweight photovoltaic modules
shingled-type strings
ethylene tetrafluoroethylene
Al honeycomb structures
building integrated photovoltaics
title Optimization of Shingled-Type Lightweight Glass-Free Solar Modules for Building Integrated Photovoltaics
title_full Optimization of Shingled-Type Lightweight Glass-Free Solar Modules for Building Integrated Photovoltaics
title_fullStr Optimization of Shingled-Type Lightweight Glass-Free Solar Modules for Building Integrated Photovoltaics
title_full_unstemmed Optimization of Shingled-Type Lightweight Glass-Free Solar Modules for Building Integrated Photovoltaics
title_short Optimization of Shingled-Type Lightweight Glass-Free Solar Modules for Building Integrated Photovoltaics
title_sort optimization of shingled type lightweight glass free solar modules for building integrated photovoltaics
topic lightweight photovoltaic modules
shingled-type strings
ethylene tetrafluoroethylene
Al honeycomb structures
building integrated photovoltaics
url https://www.mdpi.com/2076-3417/12/10/5011
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AT sungminyoun optimizationofshingledtypelightweightglassfreesolarmodulesforbuildingintegratedphotovoltaics
AT kiseokjeon optimizationofshingledtypelightweightglassfreesolarmodulesforbuildingintegratedphotovoltaics
AT sooholee optimizationofshingledtypelightweightglassfreesolarmodulesforbuildingintegratedphotovoltaics
AT chaehwanjeong optimizationofshingledtypelightweightglassfreesolarmodulesforbuildingintegratedphotovoltaics