Research on the Applications of Conductive Hydrogels

A special issue of Gels (ISSN 2310-2861). This special issue belongs to the section "Gel Applications".

Deadline for manuscript submissions: 31 August 2025 | Viewed by 881

Special Issue Editors


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Guest Editor
Department of Biomedical Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
Interests: nanocomposite gel; electroconductive gel; biopolymer gel

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Guest Editor
Biomedical Translation Research Center, Academia Sinica, Taipei 11529, Taiwan
Interests: hydrogel; biocompatible gel; photoresponsive gel; biopolymer gel
School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
Interests: biomedical hydrogels; tissue engineering; conductive scaffold; wound healing
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Special Issue Information

Dear Colleagues, 

Conductive hydrogels have emerged as highly versatile materials, blending the unique properties of hydrogels—such as high water content, flexibility, and biocompatibility—with the essential electrical conductivity required for advanced applications. This Special Issue of Gels, titled “Research on the Applications of Conductive Hydrogels”, aims to showcase the latest developments in this rapidly evolving field. The collected studies will cover diverse topics, from novel synthesis and fabrication techniques to the application of conductive hydrogels in flexible electronics, bioelectronics, and wearable devices. By bridging the gap between biology and electronics, conductive hydrogels open the door to advancements in tissue engineering, soft robotics, biosensing, and neural interfaces. We welcome contributions on all aspects of conductive hydrogel research, including, but not limited to, material design, electrochemical performance, mechanical properties, and biocompatibility. We especially welcome studies focused on translational applications that highlight the challenges and future directions for the practical use of conductive hydrogels. This Special Issue provides a platform for researchers to exchange ideas, discuss innovative methodologies, and push the boundaries of what conductive hydrogels can achieve.

Dr. Ssu-Ju Li
Dr. Ching-Wen Chang
Dr. Xin Zhao
Guest Editors

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Keywords

  • conductive hydrogels
  • flexible electronics
  • bioelectronics
  • biosensors
  • tissue engineering
  • wearable devices
  • soft robotics
  • material design
  • biocompatibility
  • electrochemical properties

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Published Papers (1 paper)

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Research

12 pages, 5422 KiB  
Article
Revealing the Impact of Gel Electrolytes on the Performance of Organic Electrochemical Transistors
by Mancheng Li, Xiaoci Liang, Chuan Liu and Songjia Han
Gels 2025, 11(3), 202; https://doi.org/10.3390/gels11030202 - 14 Mar 2025
Viewed by 706
Abstract
Gel electrolyte-gated organic electrochemical transistors (OECTs) are promising bioelectronic devices known for their high transconductance, low operating voltage, and integration with biological systems. Despite extensive research on the performance of OECTs, a precise model defining the dependence of OECT performance on gel electrolytes [...] Read more.
Gel electrolyte-gated organic electrochemical transistors (OECTs) are promising bioelectronic devices known for their high transconductance, low operating voltage, and integration with biological systems. Despite extensive research on the performance of OECTs, a precise model defining the dependence of OECT performance on gel electrolytes is still lacking. In this work, we refine the device model to comprehensively account for the electrical double layer (EDL)’s capacitance of the gel electrolyte. Both experimental data and theoretical calculations indicate that the maximum transconductance of the OECT is contingent upon ion concentration, drain voltage, and scan rate, highlighting a strong correlation between the transconductance and the hydrogel electrolyte. Overall, this model serves as a theoretical tool for improving the performance of OECTs, enabling the further development of bioelectronic devices. Full article
(This article belongs to the Special Issue Research on the Applications of Conductive Hydrogels)
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