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<p>A high-performance organogel electrolyte was constructed using sulfonic acid group (4-sulfocalix[4]arene hydrate)-modified poly(vinyl alcohol) (PVA) to form a three-dimensional network structure coupled with synergistic Zn<sup>2+</sup> coordination. This organogel electrolyte exhibits exceptional tensile strength (300&#xa0;kPa) and elongation (800%). Owing to its mouldability and compressive resilience, it is suitable for fabricating customisable energy storage devices. The assembled flexible zinc-ion supercapacitor (FZIC) demonstrates outstanding specific capacitance (184 F g<sup>−1</sup>), energy density (12.52 Wh kg<sup>−1</sup>), ionic conductivity (45.05 mS cm<sup>−1</sup>) and cycling stability. Additionally, it exhibits remarkable operational stability, reliably powering a wristwatch for 3.5&#xa0;h. This study offers novel insights into advancing FZIC technologies.</p>

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Eco-friendly and moldable organogel electrolytes for zinc-ion supercapacitors

  • 期刊论文

  • 发表日期：

    2026年5月23日

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  • Jiuzhi Wei,
  • Juan Zhang,
  • Caiyuan Guo,
  • Tingting Zhang,
  • Yanyan Li,
  • Yuehua Liang,
  • Xinxian Ma

摘要

A high-performance organogel electrolyte was constructed using sulfonic acid group (4-sulfocalix[4]arene hydrate)-modified poly(vinyl alcohol) (PVA) to form a three-dimensional network structure coupled with synergistic Zn2+ coordination. This organogel electrolyte exhibits exceptional tensile strength (300 kPa) and elongation (800%). Owing to its mouldability and compressive resilience, it is suitable for fabricating customisable energy storage devices. The assembled flexible zinc-ion supercapacitor (FZIC) demonstrates outstanding specific capacitance (184 F g−1), energy density (12.52 Wh kg−1), ionic conductivity (45.05 mS cm−1) and cycling stability. Additionally, it exhibits remarkable operational stability, reliably powering a wristwatch for 3.5 h. This study offers novel insights into advancing FZIC technologies.