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Updated: May 14, 2026

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
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Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System

Published on: January 7, 2022

DNA hydrogel-based supercapacitors operating in physiological fluids.

Jaehyun Hur1, Kyuhyun Im, Sekyu Hwang

  • 1Frontier Research Laboratory, Samsung Advanced Institute of Technology, Samsung Electronics, Yongin, Kyunggi-do, South Korea.

Scientific Reports
|February 16, 2013
PubMed
Summary
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This study introduces a novel supercapacitor using DNA nanostructures and polyelectrolyte multilayers. The device functions effectively in physiological fluids, offering potential for implantable energy storage.

Area of Science:

  • Biomaterials Science
  • Nanotechnology
  • Energy Storage

Background:

  • DNA nanostructures offer unique properties for controlled assemblies and biological applications.
  • Developing stable and biocompatible energy storage devices for biological environments is crucial.

Purpose of the Study:

  • To develop a novel supercapacitor utilizing DNA nanostructures as a template.
  • To evaluate the performance and biocompatibility of the supercapacitor in physiological fluids.
  • To explore its potential for implantable, packageless energy storage applications.

Main Methods:

  • Fabrication of a supercapacitor using nanostructured DNA hydrogel (Dgel) as a template.
  • Layer-by-layer (LBL) deposition of polyelectrolyte multilayers (PEMs) as conductive components.

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Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
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Published on: January 7, 2022

Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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  • Testing device performance in artificial urine, phosphate-buffered saline, and cell culture medium.

    • Main Results:

    • The PEM-Dgel supercapacitor demonstrated excellent performance in physiological fluids without additional electrolytes.
    • The device exhibited minimal cytotoxicity during cycling tests in cell culture medium.
    • Achieved superior charge-discharge cycling stability in physiological fluids compared to conventional acid electrolytes.

    Conclusions:

    • The PEM-Dgel supercapacitor represents a new class of energy storage devices.
    • Its biocompatibility and stability in biofluids position it as a promising platform for implantable energy storage.
    • This technology enables packageless energy storage solutions utilizing biofluids.