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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202003087
|2 doi
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|a pubmed24n1047.xml
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|a eng
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| 100 |
1 |
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|a Tong, Wangshu
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Enhanced Electricity Generation and Tunable Preservation in Porous Polymeric Materials via Coupled Piezoelectric and Dielectric Processes
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|c 2020
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 07.12.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 Wiley-VCH GmbH.
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|a Biological systems and artificial devices convert omnipresent low-frequency and weak mechanical stimulation into electricity for important functions. However, in-depth understanding of the energy conversion, boosting, and preservation processes of the coupled piezo-dielectric phenomenon in polymeric artificial materials is still lacking. In this study, combined experimental and simulation methods are employed to rationalize the process of energy conversion and preservation via a coupled piezo-dielectric phenomena in composite polymeric films. Both the intensity of the transmembrane electric voltages and the kinetic aspects of the energy generation and preservation process are elucidated. The study indicates that composite films consisting of a conductive filler fraction below the percolation threshold, effectively convert low-frequency mechanical stimulation to preserved electrical energy. Interestingly, film structure engineered into porous film has the ability to break the intertwined high-voltage and exhibits a low-preservation-period relationship; it can simultaneously provide high electric field intensity, high induction velocity, and a long preservation period. The model is not only supported by the experiments but is also consistent with the electricity generation and preservation features of other reported piezo-dielectric films. The systematic understanding can facilitate and inspire new device designs to better address the energy, environmental, and biomedical challenges faced by modern societies
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|a Journal Article
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|a coupled piezo-dielectric phenomena
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|a electricity generation
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|a porous films
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| 650 |
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|a preservation
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1 |
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|a An, Qi
|e verfasserin
|4 aut
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1 |
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|a Wang, Zhihao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yanan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tong, Qingwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Haitao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yihe
|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 32(2020), 39 vom: 15. Okt., Seite e2003087
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|g volume:32
|g year:2020
|g number:39
|g day:15
|g month:10
|g pages:e2003087
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|u http://dx.doi.org/10.1002/adma.202003087
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