Related Experiment Video
Updated: Jun 12, 2025

Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
Published on: January 7, 2022
Expanding the Potential Window through Synergistic Design and Oriented Heterostructure for Supercapacitor.
Muhammad Ahmad1,2, Tehseen Nawaz3, Iftikhar Hussain1,4
1Department of Mechanical Engineering, City University of Hong Kong, 3 Tat Chee Avenue, Kowloon, 999077, Hong Kong.
New Co-Zr-Te@CuO nanomaterials significantly boost supercapacitor performance. This metal telluride composite offers enhanced energy storage, showing great potential for practical applications.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Metal telluride nanomaterials are emerging as key components for advanced energy storage electrodes.
- Enhancing electrode performance is crucial for developing next-generation energy storage devices.
Purpose of the Study:
- To engineer novel Co-Zr-Te@CuO electrode materials for supercapacitor applications.
- To investigate the electrochemical properties and synergistic effects in the Co-Zr-Te@CuO composite.
Main Methods:
- Fabrication of Co-Zr-Te@CuO via metal-organic framework (MOF) deposition on CuO nanowires followed by tellurization.
- Electrochemical characterization including cyclic voltammetry and galvanostatic charge-discharge.
- Density functional theory (DFT) calculations to understand conductivity and synergistic effects.
Main Results:
- The Co-Zr-Te@CuO electrode exhibits an expanded potential window of 1.2 V.
- Achieved a specific capacitance of 576 C g-1, 1.8 times higher than the precursor.
- DFT calculations confirmed enhanced conductivity and synergistic effects within the heterostructure.
Conclusions:
- Co-Zr-Te@CuO demonstrates superior electrochemical performance and stability for supercapacitor electrodes.
- The engineered composite shows significant promise for practical, high-performance energy storage solutions.
- This work highlights the potential of strategic material design in metal telluride-based energy storage.
More Related Videos
08:59Synthesizing a Gel Polymer Electrolyte for Supercapacitors, Assembling a Supercapacitor Using a Coin Cell, and Measuring Gel Electrolyte Performance
Published on: November 30, 2022
10:57Elaborate Control of Inkjet Printer for Fabrication of Chip-based Supercapacitors
Published on: November 30, 2021
Related Concept Videos
Design Example: Capacitance Multiplier Circuit
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
MOS Capacitor
The metal gate is typically made from highly conductive materials such as aluminum or polysilicon. Beneath the metal gate lies a thin layer of...
Capacitor With A Dielectric
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
Equivalent Capacitance
Energy Stored in a Capacitor
Spherical and Cylindrical Capacitor
Conventionally, considering the symmetry, the electric field between the concentric shells of a spherical capacitor is directed radially outward. The magnitude of the field,...