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Related Concept Videos

MOS Capacitor01:25

MOS Capacitor

1.8K
A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
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Updated: Mar 29, 2026

Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance
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High-Performance Pseudocapacitive Microsupercapacitors from Laser-Induced Graphene.

Lei Li1, Jibo Zhang1, Zhiwei Peng1

  • 1Department of Chemistry, Rice University, 6100 Main Street, Houston, TX, 77005, USA.

Advanced Materials (Deerfield Beach, Fla.)
|December 4, 2015
PubMed
Summary
This summary is machine-generated.

Researchers developed flexible microsupercapacitors using laser-induced graphene. These devices offer high power density and comparable energy density to batteries, with excellent mechanical flexibility.

Keywords:
ferric oxyhydroxideslaser-induced graphenemanganese dioxidemicrosupercapacitorspolyaniline

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Microsupercapacitors are crucial for portable electronics.
  • Existing technologies face limitations in power density and flexibility.

Purpose of the Study:

  • To fabricate scalable, all-solid-state flexible microsupercapacitors.
  • To enhance energy and power density for advanced applications.

Main Methods:

  • Laser-induced graphene (LIG) fabrication on polyimide films.
  • Electrodeposition of pseudocapacitive materials.
  • Fabrication of symmetric and asymmetric architectures.

Main Results:

  • Achieved comparable energy density to lithium thin-film batteries.
  • Demonstrated over two orders of magnitude higher power density.
  • Exhibited excellent mechanical flexibility and stability.

Conclusions:

  • The developed microsupercapacitors offer a promising energy storage solution.
  • Scalable LIG fabrication enables practical, high-performance flexible devices.
  • These devices bridge the gap between batteries and traditional capacitors.