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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202209958
|2 doi
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|a pubmed24n1173.xml
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|a (DE-627)NLM352036702
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|a (NLM)36693075
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Tang, Tongxiang
|e verfasserin
|4 aut
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|a Compressible Polymer Composites with Enhanced Dielectric Temperature Stability
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 20.04.2023
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|a Date Revised 20.04.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a High-dielectric-constant polymer composites have broad application prospects in flexible electronics and electrostatic energy storage capacitors. Substantial enhancement in dielectric constants (εr ) of polymer composites so far can only be obtained at a high loading of nanofillers, resulting in high dielectric loss and high elastic modulus of polymer composites. Addressing the polarization shielding and the consequent polarization discontinuity at polymer/filler interfaces has been a long-standing challenge to achieve flexible polymer composite with high εr . Herein, a polymer composite with interconnected BaTiO3 (BT) ceramic scaffold is proposed and demonstrated, which exhibits a high εr of ≈210 at a low BT volume fraction of ≈18 vol%, approaching the upper limit predicted by the parallel model. By incorporating relaxor Ba(Zrx Ti1-x )O3 phase in BT scaffold, dielectric temperature stability is further achieved with Δεr below ±10% within a broad temperature range (25-140 °C). Moreover, the dielectric performances remain stable under a compressive strain of up to 80%. This work provides a facile approach to construct large-scale polymer composites with robust dielectric performance against changes in thermal and mechanical conditions, which are promising for high-temperature applications in flexible electronics
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|a Journal Article
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|a ceramic scaffolds
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|a dielectric temperature stability
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|a ferroelectric materials
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|a flexible dielectrics
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|a polymer composites
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|a Yang, Wenfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shen, Zhonghui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Mengfan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xiao, Yao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ren, Weibin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ma, Jing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Rong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nan, Ce-Wen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shen, Yang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 16 vom: 07. Apr., Seite e2209958
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:16
|g day:07
|g month:04
|g pages:e2209958
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|u http://dx.doi.org/10.1002/adma.202209958
|3 Volltext
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