Flexible PVDF/BST nanocomposites for mechanical energy harvesting application

Devi, Laishram Rashi; Naorem, Bilasini Devi; Chowdhuri, Arijit; Sharma, H.Basantakumar

doi:10.1016/j.jallcom.2024.175762

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2024.175762

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Flexible PVDF/BST nanocomposites for mechanical energy harvesting application

Laishram Rashi Devi,

Bilasini Devi Naorem,

Arijit Chowdhuri

et al.

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Cited by 3 publications

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Recent Advances in PVDF/Carbon-Based Nanocomposite Fibers for Piezoelectric Energy Harvesting Applications

Gowdaman,

Deepa,

Singla

2024

J. Electron. Mater.

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Recent Advances in PVDF/Carbon-Based Nanocomposite Fibers for Piezoelectric Energy Harvesting Applications

Gowdaman,

Deepa,

Singla

2024

J. Electron. Mater.

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Multifunctional piezoelectric PVDF–Ba_0.97Sr_0.03TiO₃ composite films for electrostatic energy storage, bio/force sensing, and optical applications

Elorika,

Anwar,

Anwar

2025

J. Mater. Chem. C

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A miniaturized toroidal piezoelectric device for monitoring human movement and powering wearable electronics

Chen,

Wang

2024

Phys. Scr.

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Wearable micro-energy devices offer the exciting potential to serve as self-powered monitors for human motion and as power sources for wearable electronics. However, challenges persist, particularly in low-frequency energy conversion and multi-dimensional motion monitoring. In this paper, we report a highly stable and durable miniaturized toroidal piezoelectric device (MTPD) to detect and recognize human movement with exceptional sensitivity, while also storing the generated electrical energy in capacitors to power wearable electronics. The system features a PVDF film that oscillates between ring brackets in a contactless manner, enabling it to capture multi-directional body motion and convert it into electrical signals. By incorporating multiple magnets, the system enhances the deformation of the piezoelectric thin film, thereby improving the output voltage. Furthermore, the integration of multi-channel signal fusion within a compact space refines the accuracy of motion recognition algorithms. We have validated the MTPD’s capability to identify arm and leg movements, highlighting its potential for use in human motion detection. Additionally, we demonstrated the system viability to serve as a power source by efficient charging a capacitor within a short period.

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Flexible PVDF/BST nanocomposites for mechanical energy harvesting application

Cited by 3 publications

References 54 publications

Recent Advances in PVDF/Carbon-Based Nanocomposite Fibers for Piezoelectric Energy Harvesting Applications

Recent Advances in PVDF/Carbon-Based Nanocomposite Fibers for Piezoelectric Energy Harvesting Applications

Multifunctional piezoelectric PVDF–Ba_0.97Sr_0.03TiO₃ composite films for electrostatic energy storage, bio/force sensing, and optical applications

A miniaturized toroidal piezoelectric device for monitoring human movement and powering wearable electronics

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Flexible PVDF/BST nanocomposites for mechanical energy harvesting application

Cited by 3 publications

References 54 publications

Recent Advances in PVDF/Carbon-Based Nanocomposite Fibers for Piezoelectric Energy Harvesting Applications

Recent Advances in PVDF/Carbon-Based Nanocomposite Fibers for Piezoelectric Energy Harvesting Applications

Multifunctional piezoelectric PVDF–Ba0.97Sr0.03TiO3 composite films for electrostatic energy storage, bio/force sensing, and optical applications

A miniaturized toroidal piezoelectric device for monitoring human movement and powering wearable electronics

Contact Info

Product

Resources

About

Multifunctional piezoelectric PVDF–Ba_0.97Sr_0.03TiO₃ composite films for electrostatic energy storage, bio/force sensing, and optical applications