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Related Experiment Videos

On-Chip Microsupercapacitors Based on Coordination Polymer Frameworks for Alternating Current Line-Filtering.

Liang Huang1, Liming Dai1

  • 1Center of Advanced Science and Engineering for Carbon (Case4carbon), Department of Macromolecular Science and Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH, 44106, USA.

Angewandte Chemie (International Ed. in English)
|April 12, 2017
PubMed
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Researchers developed on-chip micro-supercapacitors using coordination polymers for AC line-filtering. These devices offer high power density and fast response times, ideal for advanced electronic applications.

Area of Science:

  • Materials Science
  • Electrochemistry
  • Nanotechnology

Background:

  • Micro-supercapacitors (MSCs) are crucial for portable electronics.
  • Effective AC line-filtering requires components with low impedance and high power density.
  • Coordination polymer frameworks offer tunable properties for energy storage.

Purpose of the Study:

  • To fabricate on-chip micro-supercapacitors (MSCs) for AC line-filtering applications.
  • To investigate the electrochemical performance of MSCs based on coordination polymer frameworks.
  • To evaluate the AC line-filtering capabilities of the fabricated MSCs.

Main Methods:

  • Fabrication of on-chip MSCs using a facile layer-by-layer method.
  • Utilizing coordination polymer frameworks as the active electrode material.
Keywords:
AC line-filteringcoordination polymer frameworksmicrosupercapacitorson-chip devices

Related Experiment Videos

  • Electrochemical characterization including impedance spectroscopy and power density measurements.

    • Main Results:

    • The fabricated on-chip MSCs demonstrated a low impedance phase angle of -73° at 120 Hz, indicating effective AC line-filtering.
    • Achieved a high power density of up to 1323 W cm⁻³.
    • Exhibited a low relaxation time constant of 0.27 ms, signifying rapid charge-discharge capabilities.

    Conclusions:

    • The developed coordination polymer-based on-chip MSCs are highly effective for AC line-filtering.
    • The facile fabrication method and excellent electrochemical performance make these MSCs promising for integrated power solutions.
    • These findings pave the way for advanced energy storage in compact electronic systems.