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<p>Wearable and flexible triboelectric sensors have attracted increasing attention, particularly in smart sports applications. This study presents a sodium polyacrylate (SP)/poly(vinyl alcohol) (PVA) hydrogel-based triboelectric nanogenerator (SP-TENG) for energy harvesting and basketball motion monitoring. The device uses PDMS as the triboelectric layer and SP-hydrogel as the conductive electrode. Ionic modifications were introduced to enhance conductivity, and performance evaluation showed an open-circuit voltage (V<sub>OC</sub>) of 591.64&#xa0;V, short-circuit current (I<sub>SC</sub>) of 61.73 µA, and tansfer charge (Q<sub>SC</sub>) of 175.79 nC, with a maximum power output of 1.29 mW at 3 MΩ. The SP-TENG efficiently converts mechanical energy into electricity while serving as a self-powered motion sensor, demonstrating potential for sports, healthcare, and wearable electronics.</p>

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A flexible SP/PVA conductive hydrogel-based triboelectric nanogenerator for energy harvesting and motion monitoring in basketball

  • 期刊论文

  • 发表日期：

    2025年5月2日

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  • Weizhao He,
  • Bin Lee,
  • Yuankai Luo

摘要

Wearable and flexible triboelectric sensors have attracted increasing attention, particularly in smart sports applications. This study presents a sodium polyacrylate (SP)/poly(vinyl alcohol) (PVA) hydrogel-based triboelectric nanogenerator (SP-TENG) for energy harvesting and basketball motion monitoring. The device uses PDMS as the triboelectric layer and SP-hydrogel as the conductive electrode. Ionic modifications were introduced to enhance conductivity, and performance evaluation showed an open-circuit voltage (VOC) of 591.64 V, short-circuit current (ISC) of 61.73 µA, and tansfer charge (QSC) of 175.79 nC, with a maximum power output of 1.29 mW at 3 MΩ. The SP-TENG efficiently converts mechanical energy into electricity while serving as a self-powered motion sensor, demonstrating potential for sports, healthcare, and wearable electronics.