Related Experiment Video
Updated: Sep 23, 2025
09:58
Fabrication of Ti3C2 MXene Microelectrode Arrays for In Vivo Neural Recording
Published on: February 12, 2020
13.6K
TiN nanosheet arrays on Ti foils for high-performance supercapacitance
Cong Wang1, Peng Zhou1, Zeyan Wang1
1State Key Laboratory of Crystal Materials, Shandong University Jinan 250100 China wangzeyan@sdu.edu.cn bbhuang@sdu.edu.cn.
RSC Advances
|May 11, 2022
Summary
Researchers developed a template-free method for mesoporous titanium nitride (TiN) nanosheet arrays on titanium foils. These novel TiN electrodes exhibit excellent capacitance and stability for supercapacitor applications.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Developing advanced electrode materials is crucial for high-performance energy storage devices.
- Titanium nitride (TiN) offers potential due to its conductivity and stability, but scalable synthesis remains a challenge.
Purpose of the Study:
- To develop a simple, template-free method for preparing mesoporous titanium nitride (TiN) nanostructures directly on Ti foils.
- To evaluate the electrochemical performance of the as-prepared TiN nanosheet arrays as a supercapacitor electrode material.
Main Methods:
- A combined hydrothermal, ion exchange, and nitridation reaction approach was employed.
- Mesoporous TiN nanosheet arrays were synthesized directly on Ti foils without additional templates.
- Electrochemical performance was assessed using cyclic voltammetry, galvanostatic charge-discharge, and long-term cycling tests.
Main Results:
- The TiN nanosheet arrays on Ti foils were directly utilized as electrodes, demonstrating good capacitance.
- The electrode achieved a specific capacitance of 81.63 F g-1 at 0.5 A g-1 with 75% retention after 4000 cycles.
- A symmetric supercapacitor using TiN electrodes exhibited a specific capacitance of 0.42 F cm-3 and retained 77.6% capacitance at 12.5 mA cm-3.
Conclusions:
- The developed method offers a facile route to synthesize mesoporous TiN nanosheet arrays for energy storage.
- The TiN nanosheet arrays show promising performance as electrode materials for supercapacitors, highlighting their potential for practical applications.
