Excellent high-temperature energy storage capacity for polyetherimide nanocomposites with hierarchically structured nanofillers

Yuan, You; Wang, Xinhua; Ni, Xinyao; Qian, Jun; Zuo, Peiyuan; Zhuang, Qixin

doi:10.1016/j.compositesa.2023.107791

Composites Part A: Applied Science and Manufacturing

2023

DOI: 10.1016/j.compositesa.2023.107791

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Excellent high-temperature energy storage capacity for polyetherimide nanocomposites with hierarchically structured nanofillers

You Yuan,

Xinhua Wang,

Xinyao Ni

et al.

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2024

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Cited by 5 publications

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Largely enhanced high‐temperature energy storage performance of P(VDF‐HFP) dielectric films via calcium niobate nanosheets

Lin,

Bao,

Wang

et al. 2024

Polymer Composites

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The capacitive energy‐storage capacity of most emerging devices rapidly diminishes with increasing temperature, making high‐temperature dielectrics particularly desirable in modern electronic systems. In this work, calcium niobate (Ca2Nb3O10, CNO) nanosheets have been added into poly(vinylidene fluoride‐hexafluoropropylene) (P(VDF‐HFP), PVHP), forming PVHP/CNO nanocomposites with exceptional temperature stability and ultrahigh energy storage density. Especially, at 80°C and 450 MV/m, the PVHP/0.3 wt%CNO nanocomposite shows an excellent Wrec of 10.81 J/cm3 which is higher than previous PVDF‐based composite films at high temperatures. Because of the high dielectric permittivity of CNO nanosheets and the way that the parallel organization of the nanosheets blocks the course of electrical trees, nanocomposites exhibit greater dielectric constants and breakdown field strengths simultaneously. These findings, will be helpful in the development of flexible, high‐energy‐density capacitors that have stable performance at high temperatures.Highlights A record‐high high‐temperature Wrec is obtained. Excellent temperature stability from 25 to 80°C is achieved. The incorporation of Ca2Nb3O10 nanosheets significantly enhances Eb.

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Largely enhanced high‐temperature energy storage performance of P(VDF‐HFP) dielectric films via calcium niobate nanosheets

Lin,

Bao,

Wang

et al. 2024

Polymer Composites

View full text Add to dashboard Cite

show abstract

Constructing polyimide-based nanocomposite dielectrics with superior high‐temperature energy storage performance via using ternary structure strategy

Xu,

Zhou,

Tan

et al. 2024

Composites Part A: Applied Science and Manufacturing

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Sandwich-structured SrTiO3/PEI composite films with high-temperature energy storage performance

Jin,

Lin,

Wang

et al. 2024

Journal of Power Sources

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Excellent high-temperature energy storage capacity for polyetherimide nanocomposites with hierarchically structured nanofillers

Cited by 5 publications

References 49 publications

Largely enhanced high‐temperature energy storage performance of P(VDF‐HFP) dielectric films via calcium niobate nanosheets

Largely enhanced high‐temperature energy storage performance of P(VDF‐HFP) dielectric films via calcium niobate nanosheets

Constructing polyimide-based nanocomposite dielectrics with superior high‐temperature energy storage performance via using ternary structure strategy

Sandwich-structured SrTiO3/PEI composite films with high-temperature energy storage performance

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