Largely enhanced energy storage performance of sandwich-structured polymer nanocomposites with synergistic inorganic nanowires

Zeyu Li; Feihua Liu; He Li; Lulu Ren; Lijie Dong; Chuanxi Xiong; Qing Wang

doi:10.1016/j.ceramint.2019.01.124

Largely enhanced energy storage performance of sandwich-structured polymer nanocomposites with synergistic inorganic nanowires

Zeyu Li, Feihua Liu, He Li, Lulu Ren, Lijie Dong, Chuanxi Xiong, Qing Wang

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

It is of crucial importance to develop novel dielectric materials with high discharge energy densities to meet the urgent requirements in the rapid advances in modern electronics and electrical power systems. In this work, we describe a new class of sandwich-structured ceramic-polymer nanocomposites base on poly(vinylidene fluoride-co-hexafluoropropylene) exhibiting outstanding energy storage performance. The central layer of the composite consists of MgO nanowires to offer high breakdown strength, whereas the outer layers contain BaTiO ₃ nanofibers to provide improved dielectric constant of the composites. The systematic investigation gave the composites with 2 wt% MgO in the central layer and 20 wt% BaTiO ₃ in the outer layers to yield the best energy density of 15.55 J cm ⁻³ with a charge-discharge efficiency of 68% at the Weibull breakdown strength of 416 MV m ⁻¹ . It is found that the trilayered nanocomposite exhibits superior energy storage performance as compared to the corresponding single-layered composite films. The result demonstrates the uniqueness of the layered structure to incorporate multiple inorganic components into polymer with enhanced collective properties for energy applications.

Original language	English (US)
Pages (from-to)	8216-8221
Number of pages	6
Journal	Ceramics International
Volume	45
Issue number	7
DOIs	https://doi.org/10.1016/j.ceramint.2019.01.124
State	Published - May 2019

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

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10.1016/j.ceramint.2019.01.124

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title = "Largely enhanced energy storage performance of sandwich-structured polymer nanocomposites with synergistic inorganic nanowires",

abstract = " It is of crucial importance to develop novel dielectric materials with high discharge energy densities to meet the urgent requirements in the rapid advances in modern electronics and electrical power systems. In this work, we describe a new class of sandwich-structured ceramic-polymer nanocomposites base on poly(vinylidene fluoride-co-hexafluoropropylene) exhibiting outstanding energy storage performance. The central layer of the composite consists of MgO nanowires to offer high breakdown strength, whereas the outer layers contain BaTiO 3 nanofibers to provide improved dielectric constant of the composites. The systematic investigation gave the composites with 2 wt% MgO in the central layer and 20 wt% BaTiO 3 in the outer layers to yield the best energy density of 15.55 J cm −3 with a charge-discharge efficiency of 68% at the Weibull breakdown strength of 416 MV m −1 . It is found that the trilayered nanocomposite exhibits superior energy storage performance as compared to the corresponding single-layered composite films. The result demonstrates the uniqueness of the layered structure to incorporate multiple inorganic components into polymer with enhanced collective properties for energy applications.",

author = "Zeyu Li and Feihua Liu and He Li and Lulu Ren and Lijie Dong and Chuanxi Xiong and Qing Wang",

note = "Funding Information: This work is supported by the national Natural Science Foundation of China (No. 51773163 , 51673154 ). We also appreciate Prof. Suling Zhao, Wanting Zhu, Yi Guo and other lab technicians of the Center for Materials Research and Analysis of Wuhan University of Technology for materials characterization. Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd and Techna Group S.r.l.",

year = "2019",

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AU - Liu, Feihua

AU - Li, He

AU - Ren, Lulu

AU - Dong, Lijie

AU - Xiong, Chuanxi

AU - Wang, Qing

N1 - Funding Information: This work is supported by the national Natural Science Foundation of China (No. 51773163 , 51673154 ). We also appreciate Prof. Suling Zhao, Wanting Zhu, Yi Guo and other lab technicians of the Center for Materials Research and Analysis of Wuhan University of Technology for materials characterization. Publisher Copyright: © 2019 Elsevier Ltd and Techna Group S.r.l.

PY - 2019/5

Y1 - 2019/5

N2 - It is of crucial importance to develop novel dielectric materials with high discharge energy densities to meet the urgent requirements in the rapid advances in modern electronics and electrical power systems. In this work, we describe a new class of sandwich-structured ceramic-polymer nanocomposites base on poly(vinylidene fluoride-co-hexafluoropropylene) exhibiting outstanding energy storage performance. The central layer of the composite consists of MgO nanowires to offer high breakdown strength, whereas the outer layers contain BaTiO 3 nanofibers to provide improved dielectric constant of the composites. The systematic investigation gave the composites with 2 wt% MgO in the central layer and 20 wt% BaTiO 3 in the outer layers to yield the best energy density of 15.55 J cm −3 with a charge-discharge efficiency of 68% at the Weibull breakdown strength of 416 MV m −1 . It is found that the trilayered nanocomposite exhibits superior energy storage performance as compared to the corresponding single-layered composite films. The result demonstrates the uniqueness of the layered structure to incorporate multiple inorganic components into polymer with enhanced collective properties for energy applications.

AB - It is of crucial importance to develop novel dielectric materials with high discharge energy densities to meet the urgent requirements in the rapid advances in modern electronics and electrical power systems. In this work, we describe a new class of sandwich-structured ceramic-polymer nanocomposites base on poly(vinylidene fluoride-co-hexafluoropropylene) exhibiting outstanding energy storage performance. The central layer of the composite consists of MgO nanowires to offer high breakdown strength, whereas the outer layers contain BaTiO 3 nanofibers to provide improved dielectric constant of the composites. The systematic investigation gave the composites with 2 wt% MgO in the central layer and 20 wt% BaTiO 3 in the outer layers to yield the best energy density of 15.55 J cm −3 with a charge-discharge efficiency of 68% at the Weibull breakdown strength of 416 MV m −1 . It is found that the trilayered nanocomposite exhibits superior energy storage performance as compared to the corresponding single-layered composite films. The result demonstrates the uniqueness of the layered structure to incorporate multiple inorganic components into polymer with enhanced collective properties for energy applications.

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Largely enhanced energy storage performance of sandwich-structured polymer nanocomposites with synergistic inorganic nanowires

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