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Recent advances in polyaniline-based micro-supercapacitors.

Xiang Chu1,2, Weiqing Yang2, Hong Li1

  • 1School of Mechanical and Aerospace Engineering, Nanyang Technological University, 639798, Singapore. ehongli@ntu.edu.sg.

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|January 4, 2023
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Polyaniline (PANI)-based micro-supercapacitors (MSCs) offer high power and energy density for miniaturized electronics. This review details PANI synthesis, MSC design, and performance for next-generation IoT devices.

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Internet of Things (IoTs) and wearable electronics demand compact, lightweight power sources.
  • Micro-supercapacitors (MSCs) are researched for their high power density, energy density, and long cycle life.
  • Polyaniline (PANI) is a promising electrode material for MSCs, bridging performance gaps.

Purpose of the Study:

  • To provide a comprehensive review of polyaniline (PANI)-based micro-supercapacitors (MSCs).
  • To cover PANI synthesis, working mechanisms, device design, and electrochemical performance.
  • To highlight recent advances and future perspectives for high-performance miniaturized MSCs.

Main Methods:

  • Review of fundamental principles of MSCs, including working mechanisms, design, fabrication, and metrics.
  • Discussion of polyaniline (PANI) synthesis methods and chemical properties.
  • Analysis of MSCs utilizing pure PANI, PANI hydrogels, and PANI composites.

Main Results:

  • Polyaniline (PANI) offers a unique combination of properties for advanced micro-supercapacitors (MSCs).
  • Various PANI-based materials show potential for enhanced electrochemical performance in MSCs.
  • The review consolidates knowledge on PANI-based MSCs for diverse applications.

Conclusions:

  • PANI-based MSCs are crucial for the future of miniaturized energy storage in IoTs.
  • Further research into PANI synthesis and composite design can unlock higher performance.
  • This review offers insights for developing next-generation PANI-based MSCs.