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Abstract <p>We developed a stretchable mechano-electrochemical energy harvester based on a CNT/Ag nanowire/SEBS tri-layer structure. A conductive CNT network was fabricated <i>via</i> spray coating, and its conductivity was significantly enhanced by Ag nanowire coating. The infiltration of the SEBS elastomer provided mechanical stability and stretchability. It showed stable open-circuit voltage responses and energy generation at low frequencies (1–3&#xa0;Hz), achieving a maximum power density of 160&#xa0;µW/kg. The device also maintained reliable performance with less than 8% variation after 1000 cycles of repeated strain. These results demonstrate the CAST’s high potential as a self-powered wearable strain sensor for human motion monitoring.</p> Graphical abstract <p></p>

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Mechano-electrochemical energy harvester using the carbon nanotube/Ag nanowire/styrene–ethylene–butylene–styrene tri-layer

  • 期刊论文

  • 发表日期：

    2025年9月11日

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  • Jun Yeong Lee,
  • Jung Jun Bae,
  • Hyeon Jun Sim

摘要

Abstract

We developed a stretchable mechano-electrochemical energy harvester based on a CNT/Ag nanowire/SEBS tri-layer structure. A conductive CNT network was fabricated via spray coating, and its conductivity was significantly enhanced by Ag nanowire coating. The infiltration of the SEBS elastomer provided mechanical stability and stretchability. It showed stable open-circuit voltage responses and energy generation at low frequencies (1–3 Hz), achieving a maximum power density of 160 µW/kg. The device also maintained reliable performance with less than 8% variation after 1000 cycles of repeated strain. These results demonstrate the CAST’s high potential as a self-powered wearable strain sensor for human motion monitoring.

Graphical abstract