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<p>Conductive elastomers combining micromechanical sensitivity, lightweight adaptability, and environmental sustainability are critically needed for advanced flexible electronics requiring precise responsiveness and long-term wearability; however, the integration of these properties remains a significant challenge. Here, we present a biomass-derived conductive elastomer featuring a rationally engineered dynamic crosslinked network integrated with a tunable microporous architecture. This structural design imparts pronounced micromechanical sensitivity, an ultralow density (~ 0.25&#xa0;g&#xa0;cm<sup>−3</sup>), and superior mechanical compliance for adaptive deformation. Moreover, the unique micro-spring effect derived from the porous architecture ensures exceptional stretchability (&gt; 500% elongation at break) and superior resilience, delivering immediate and stable electrical response under both subtle (&lt; 1%) and large (&gt; 200%) mechanical stimuli. Intrinsic dynamic interactions endow the elastomer with efficient room temperature self-healing and complete recyclability without compromising performance. First-principles simulations clarify the mechanisms behind micropore formation and the resulting functionality. Beyond its facile and mild fabrication process, this work establishes a scalable route toward high-performance, sustainable conductive elastomers tailored for next-generation soft electronics.</p>

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Dynamic Network- and Microcellular Architecture-Driven Biomass Elastomer toward Sustainable and Versatile Soft Electronics

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年12月13日

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  • Shanqiu Liu,
  • Yi Shen,
  • Yizhen Li,
  • Yunjie Mo,
  • Enze Yu,
  • Taotao Ge,
  • Ping Li,
  • Jingguo Li

摘要

Conductive elastomers combining micromechanical sensitivity, lightweight adaptability, and environmental sustainability are critically needed for advanced flexible electronics requiring precise responsiveness and long-term wearability; however, the integration of these properties remains a significant challenge. Here, we present a biomass-derived conductive elastomer featuring a rationally engineered dynamic crosslinked network integrated with a tunable microporous architecture. This structural design imparts pronounced micromechanical sensitivity, an ultralow density (~ 0.25 g cm−3), and superior mechanical compliance for adaptive deformation. Moreover, the unique micro-spring effect derived from the porous architecture ensures exceptional stretchability (> 500% elongation at break) and superior resilience, delivering immediate and stable electrical response under both subtle (< 1%) and large (> 200%) mechanical stimuli. Intrinsic dynamic interactions endow the elastomer with efficient room temperature self-healing and complete recyclability without compromising performance. First-principles simulations clarify the mechanisms behind micropore formation and the resulting functionality. Beyond its facile and mild fabrication process, this work establishes a scalable route toward high-performance, sustainable conductive elastomers tailored for next-generation soft electronics.