Synthesis of high-performance supercapacitor electrode materials by wet-chemical route based on TiN–Al2O3 composite

This article explores the synthesis of high-performance supercapacitor electrode materials using a wet-chemical route based on a TiN–Al2O3 composite. The study investigates the physical and electrochemical characteristics of TiN, Al2O3, and their composites, with a focus on the TiN 40%–Al2O3 (ZR-2) composite. Key findings include the impressive capacitance of 848 F g−1 at 1 A g−1, an energy density of 22.88 Wh kg−1, and a power density of 800 W kg−1 for the ZR-2 composite. The article also delves into the structural and morphological analysis of the materials, highlighting their potential for enhancing supercapacitor performance. Additionally, the electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) results are discussed, providing a comprehensive understanding of the composite's electrochemical behavior. The study concludes with a comparison of the TiN–Al2O3 composite with other materials, emphasizing its superior performance and stability. This article offers valuable insights into the development of advanced energy storage solutions, making it a must-read for professionals in the field.