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Updated: Sep 23, 2025

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Micro-supercapacitors based on oriented coordination polymer thin films for AC line-filtering.

Weiwei Hua1, Jingwei Xiu2, Fei Xiu1

  • 1Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (Nanjing Tech) 30 South Puzhu Road Nanjing 211816 P. R. China Iamfxiu@njtech.edu.cn iamlflai@njtech.edu.cn.

RSC Advances
|May 13, 2022
PubMed
Summary
This summary is machine-generated.

Researchers developed a simple method to create oriented coordination polymer (Co-BTA) thin films for micro-supercapacitors. These Co-BTA micro-supercapacitors show excellent AC line-filtering capabilities, potentially replacing traditional capacitors.

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Micro-supercapacitors (MSCs) are crucial for portable electronics.
  • Developing efficient electrode materials for MSCs is an ongoing challenge.
  • AC line-filtering applications require components with fast response times.

Purpose of the Study:

  • To present a facile, substrate-independent method for preparing oriented coordination polymer (Co-BTA) thin-film electrodes.
  • To fabricate and evaluate on-chip micro-supercapacitors (MSCs) using these Co-BTA thin films.
  • To assess the AC line-filtering performance of the developed Co-BTA-MSCs.

Main Methods:

  • Solution processing for thin-film electrode preparation.
  • Fabrication of on-chip micro-supercapacitors.
  • Electrochemical characterization of AC line-filtering performance.

Main Results:

  • A facile, solution-processed, and substrate-independent approach for oriented Co-BTA thin-film electrodes was achieved.
  • The fabricated Co-BTA-MSCs demonstrated excellent AC line-filtering performance.
  • An extremely short resistance-capacitance constant was observed for the Co-BTA-MSCs.

Conclusions:

  • The developed Co-BTA thin-film electrodes offer a promising route for on-chip MSCs.
  • The Co-BTA-MSCs exhibit superior AC line-filtering capabilities.
  • These MSCs have the potential to replace conventional aluminum electrolytic capacitors in AC line-filtering applications.