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Wearable technology has rapidly advanced in recent years, with transparent electrodes playing a crucial role due to their optoelectronic properties, stretchability, and cost-effectiveness. This study employs the blade-coating method to prepare hydrogel electrodes and examines the impact of sodium alginate addition on the resulting hydrogel’s mechanical, optical, and electrical properties. Experimental results indicate that the double-network hydrogel electrode with an additional 2 mM exhibits the lowest resistivity (123.13 Ω cm) and the best cyclic stability. This research provides significant theoretical and experimental foundations for the extensive application of hydrogels and the development of wearable light-emitting devices, demonstrating broad application prospects.

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Preparation and Characterization of Transparent Conductive Hydrogel Electrodes via Blade-Coating

  • 会议论文

  • 发表日期：

    2025年

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  • Ting Wang,
  • Zhicheng Sun,
  • Zhengyu Chen,
  • Rui Ma,
  • Taolin Zhang,
  • Yuwei Hao,
  • Ruping Liu,
  • Zhihui Su,
  • Yibo Yang

摘要

Wearable technology has rapidly advanced in recent years, with transparent electrodes playing a crucial role due to their optoelectronic properties, stretchability, and cost-effectiveness. This study employs the blade-coating method to prepare hydrogel electrodes and examines the impact of sodium alginate addition on the resulting hydrogel’s mechanical, optical, and electrical properties. Experimental results indicate that the double-network hydrogel electrode with an additional 2 mM exhibits the lowest resistivity (123.13 Ω cm) and the best cyclic stability. This research provides significant theoretical and experimental foundations for the extensive application of hydrogels and the development of wearable light-emitting devices, demonstrating broad application prospects.