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Triboelectric mechanism enhances piezoelectric performance of polyimide composite nanofibrous membrane.

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Title: Triboelectric mechanism enhances piezoelectric performance of polyimide composite nanofibrous membrane.
Authors: Lin, Haodong1 (AUTHOR), Zhang, Xu1 (AUTHOR), Zhang, Bilin1 (AUTHOR), Huang, Liangkang1 (AUTHOR), Fang, Jun1 (AUTHOR), He, Xinhai1 (AUTHOR), Li, Jianwei1,2 (AUTHOR) lijianwei@xpu.edu.cn
Source: Composites Science & Technology. Aug2025, Vol. 269, pN.PAG-N.PAG. 1p.
Subjects: Piezoelectric materials, Composite membranes (Chemistry), Dielectric loss, Permittivity, Structural stability
Abstract: Flexible piezoelectric sensor demonstrates significant advancements in wearable electronics. However, the development of piezoelectric materials capable of operating under extreme conditions with exceptional thermal stability remains a critical challenge. Herein, FPI/PAN nanofibrous composite membrane was fabricated via a co-electrospinning technique, achieving a synergistic integration of piezoelectric and triboelectric effects. The synergistic interaction enhances mechanical-to-electrical conversion efficiency through charge superposition and interfacial polarization. The as-prepared sensor demonstrates favorable piezoelectric voltage output of 8 V and rapid response and recovery times (12 ms and 14 ms, respectively). The piezoelectric output remains stable after 10,000 cycles at 15 Hz/10 N, demonstrating excellent durability. In addition, the sensor has the ability to accurately detect diverse human motions, such as joint flexion, eye-blinking, and dynamic impacts. Notably, the FPI/PAN membrane maintains structural stability before 500 °C. Furthermore, it is found that the membrane exhibits a low dielectric constant (1.62–1.67) and smaller dielectric loss (0.0008–0.0024) within the range of 0–1 MHz. This study represents a new path for design and development of self-powered nanofibrous wearable sensors. [Display omitted] • The fluorinated polyimide nanofiber composite film exhibits outstanding piezoelectric performance and thermal stability. • The prepared composite films achieved the synergistic effect of piezoelectricity and triboelectricity. • The FPI/PAN sensor shows excellent durability after 10,000 cycles without obvious performance attenuation. [ABSTRACT FROM AUTHOR]
Copyright of Composites Science & Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 185833730
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PubTypeId: academicJournal
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  Label: Title
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  Data: Triboelectric mechanism enhances piezoelectric performance of polyimide composite nanofibrous membrane.
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  Data: <searchLink fieldCode="AR" term="%22Lin%2C+Haodong%22">Lin, Haodong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xu%22">Zhang, Xu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Bilin%22">Zhang, Bilin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Huang%2C+Liangkang%22">Huang, Liangkang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fang%2C+Jun%22">Fang, Jun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22He%2C+Xinhai%22">He, Xinhai</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Jianwei%22">Li, Jianwei</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> lijianwei@xpu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Composites+Science+%26+Technology%22">Composites Science & Technology</searchLink>. Aug2025, Vol. 269, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Piezoelectric+materials%22">Piezoelectric materials</searchLink><br /><searchLink fieldCode="DE" term="%22Composite+membranes+%28Chemistry%29%22">Composite membranes (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Dielectric+loss%22">Dielectric loss</searchLink><br /><searchLink fieldCode="DE" term="%22Permittivity%22">Permittivity</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+stability%22">Structural stability</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Flexible piezoelectric sensor demonstrates significant advancements in wearable electronics. However, the development of piezoelectric materials capable of operating under extreme conditions with exceptional thermal stability remains a critical challenge. Herein, FPI/PAN nanofibrous composite membrane was fabricated via a co-electrospinning technique, achieving a synergistic integration of piezoelectric and triboelectric effects. The synergistic interaction enhances mechanical-to-electrical conversion efficiency through charge superposition and interfacial polarization. The as-prepared sensor demonstrates favorable piezoelectric voltage output of 8 V and rapid response and recovery times (12 ms and 14 ms, respectively). The piezoelectric output remains stable after 10,000 cycles at 15 Hz/10 N, demonstrating excellent durability. In addition, the sensor has the ability to accurately detect diverse human motions, such as joint flexion, eye-blinking, and dynamic impacts. Notably, the FPI/PAN membrane maintains structural stability before 500 °C. Furthermore, it is found that the membrane exhibits a low dielectric constant (1.62–1.67) and smaller dielectric loss (0.0008–0.0024) within the range of 0–1 MHz. This study represents a new path for design and development of self-powered nanofibrous wearable sensors. [Display omitted] • The fluorinated polyimide nanofiber composite film exhibits outstanding piezoelectric performance and thermal stability. • The prepared composite films achieved the synergistic effect of piezoelectricity and triboelectricity. • The FPI/PAN sensor shows excellent durability after 10,000 cycles without obvious performance attenuation. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Composites Science & Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.compscitech.2025.111231
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      – Code: eng
        Text: English
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        StartPage: N.PAG
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        Type: general
      – SubjectFull: Composite membranes (Chemistry)
        Type: general
      – SubjectFull: Dielectric loss
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      – SubjectFull: Permittivity
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      – SubjectFull: Structural stability
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    Titles:
      – TitleFull: Triboelectric mechanism enhances piezoelectric performance of polyimide composite nanofibrous membrane.
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            NameFull: Lin, Haodong
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            NameFull: Zhang, Xu
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            NameFull: Zhang, Bilin
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            NameFull: Huang, Liangkang
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            NameFull: Fang, Jun
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            NameFull: He, Xinhai
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              M: 08
              Text: Aug2025
              Type: published
              Y: 2025
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