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Updated: Aug 6, 2026
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Evaluating the Electrochemical Properties of Supercapacitors using the Three-Electrode System
Published on: January 7, 2022
Enhanced electrochemical performance of W18O49/TiN binary composite electrodes for asymmetric supercapacitors
Junaid Riaz1, Muhammad Arif1, Salah Knani2
1Yunnan Key Laboratory of Optoelectronic Information Technology, School of Physics and Electronic Information, Yunnan Normal University Kunming 650500 China junaidriaz1990@gmail.com.
Nanoscale Advances
|July 24, 2026
Summary
A novel TiN-W18O49 nanocomposite electrode was developed for high-performance supercapacitors. This material demonstrates superior electrochemical properties, including high specific capacitance and excellent cycling stability, for advanced energy storage applications.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Supercapacitors are crucial for energy storage, demanding advanced electrode materials.
- Developing materials with high conductivity and pseudocapacitive behavior is key to improving supercapacitor performance.
Purpose of the Study:
- To synthesize and characterize a TiN-W18O49 nanocomposite for high-performance supercapacitors.
- To evaluate the electrochemical properties and potential of this novel heterostructure.
Main Methods:
- Synthesis of TiN-W18O49 nanocomposite.
- Structural and morphological characterization using XRD, SEM, and EDX.
- Electrochemical performance evaluation via cyclic voltammetry, galvanostatic charge-discharge, and electrochemical impedance spectroscopy.
Main Results:
- The TiN-W18O49 nanocomposite exhibited low solution resistance (0.54 Ω) and charge-transfer resistance (1.38 Ω).
- Achieved a high specific capacitance of 1482 F g⁻¹ at 1 A g⁻¹.
- Demonstrated exceptional cycling stability, retaining 91.1% capacitance after 10,000 cycles in an asymmetric supercapacitor (ASC).
Conclusions:
- The TiN-W18O49 nanocomposite electrode offers synergistic benefits for supercapacitor applications.
- This material shows significant promise for next-generation high-performance energy storage devices.
