Significantly improved high-temperature energy storage performance of commercial BOPP films by utilizing ultraviolet grafting modification
Commercial biaxially oriented polypropylene (BOPP) film capacitors have been widely applied in the fields of electrical and electronic engineering. However, due to the sharp increase in electrical conduction loss as the temperature rises, the energy storage performance of BOPP films seriously degrad...
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| Format: | Article |
| Language: | English |
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Tsinghua University Press
2022-09-01
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| Series: | iEnergy |
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| Online Access: | https://www.sciopen.com/article/10.23919/IEN.2022.0046 |
| _version_ | 1811177791514738688 |
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| author | Qingguo Chi Tianqi Wang Changhai Zhang Hainan Yu Xindong Zhao Xu Yang Qingquan Lei Hong Zhao Tiandong Zhang |
| author_facet | Qingguo Chi Tianqi Wang Changhai Zhang Hainan Yu Xindong Zhao Xu Yang Qingquan Lei Hong Zhao Tiandong Zhang |
| author_sort | Qingguo Chi |
| collection | DOAJ |
| description | Commercial biaxially oriented polypropylene (BOPP) film capacitors have been widely applied in the fields of electrical and electronic engineering. However, due to the sharp increase in electrical conduction loss as the temperature rises, the energy storage performance of BOPP films seriously degrades at elevated temperatures. In this study, the grafting modification method is facile and suitable for large-scale industrial manufacturing and has been proposed to increase the high-temperature energy storage performance of commercial BOPP films for the first time. Specifically, acrylic acid (AA) as a polar organic molecular is used to graft onto the surface of commercial BOPP films by using ultraviolet irradiation (abbreviated as BOPP−AA). The results demonstrate that the AA grafting modification not only slightly increases the dielectric constant, but also significantly reduces the leakage current density at high-temperature, greatly improving the high-temperature energy storage performance. The modified BOPP−AA films display a discharged energy density of 1.32 J/cm3 with an efficiency of >90% at 370 kV/mm and 125 °C, which is 474% higher than that of the pristine BOPP films. This work manifests that utilizing ultraviolet grafting modification is a very efficient way to improve the high-temperature energy storage performance of commercial BOPP films as well as provides a hitherto unexplored opportunity for large-scalable production applications. |
| first_indexed | 2024-04-11T06:07:08Z |
| format | Article |
| id | doaj.art-103d384df7ba4c9d932bb51b0b58f072 |
| institution | Directory Open Access Journal |
| issn | 2771-9197 |
| language | English |
| last_indexed | 2024-04-11T06:07:08Z |
| publishDate | 2022-09-01 |
| publisher | Tsinghua University Press |
| record_format | Article |
| series | iEnergy |
| spelling | doaj.art-103d384df7ba4c9d932bb51b0b58f0722022-12-22T04:41:27ZengTsinghua University PressiEnergy2771-91972022-09-011337438210.23919/IEN.2022.0046Significantly improved high-temperature energy storage performance of commercial BOPP films by utilizing ultraviolet grafting modificationQingguo Chi0Tianqi Wang1Changhai Zhang2Hainan Yu3Xindong Zhao4Xu Yang5Qingquan Lei6Hong Zhao7Tiandong Zhang8Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, ChinaKey Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, ChinaKey Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, ChinaKey Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, ChinaKey Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, ChinaKey Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, ChinaKey Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, ChinaKey Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, ChinaKey Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, ChinaCommercial biaxially oriented polypropylene (BOPP) film capacitors have been widely applied in the fields of electrical and electronic engineering. However, due to the sharp increase in electrical conduction loss as the temperature rises, the energy storage performance of BOPP films seriously degrades at elevated temperatures. In this study, the grafting modification method is facile and suitable for large-scale industrial manufacturing and has been proposed to increase the high-temperature energy storage performance of commercial BOPP films for the first time. Specifically, acrylic acid (AA) as a polar organic molecular is used to graft onto the surface of commercial BOPP films by using ultraviolet irradiation (abbreviated as BOPP−AA). The results demonstrate that the AA grafting modification not only slightly increases the dielectric constant, but also significantly reduces the leakage current density at high-temperature, greatly improving the high-temperature energy storage performance. The modified BOPP−AA films display a discharged energy density of 1.32 J/cm3 with an efficiency of >90% at 370 kV/mm and 125 °C, which is 474% higher than that of the pristine BOPP films. This work manifests that utilizing ultraviolet grafting modification is a very efficient way to improve the high-temperature energy storage performance of commercial BOPP films as well as provides a hitherto unexplored opportunity for large-scalable production applications.https://www.sciopen.com/article/10.23919/IEN.2022.0046capacitorsboppultraviolet irradiationgraft modificationenergy storage |
| spellingShingle | Qingguo Chi Tianqi Wang Changhai Zhang Hainan Yu Xindong Zhao Xu Yang Qingquan Lei Hong Zhao Tiandong Zhang Significantly improved high-temperature energy storage performance of commercial BOPP films by utilizing ultraviolet grafting modification iEnergy capacitors bopp ultraviolet irradiation graft modification energy storage |
| title | Significantly improved high-temperature energy storage performance of commercial BOPP films by utilizing ultraviolet grafting modification |
| title_full | Significantly improved high-temperature energy storage performance of commercial BOPP films by utilizing ultraviolet grafting modification |
| title_fullStr | Significantly improved high-temperature energy storage performance of commercial BOPP films by utilizing ultraviolet grafting modification |
| title_full_unstemmed | Significantly improved high-temperature energy storage performance of commercial BOPP films by utilizing ultraviolet grafting modification |
| title_short | Significantly improved high-temperature energy storage performance of commercial BOPP films by utilizing ultraviolet grafting modification |
| title_sort | significantly improved high temperature energy storage performance of commercial bopp films by utilizing ultraviolet grafting modification |
| topic | capacitors bopp ultraviolet irradiation graft modification energy storage |
| url | https://www.sciopen.com/article/10.23919/IEN.2022.0046 |
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