Cobalt(IV) sulfide is primarily used in advanced material science applications, particularly in the development of high-performance catalysts. It plays a significant role in catalytic processes, such as hydrodesulfurization in the petroleum industry, where it helps remove sulfur compounds from crude oil, improving fuel quality and reducing environmental pollution. Additionally, it is explored in electrochemical applications, including energy storage systems like batteries and supercapacitors, due to its unique electronic properties and stability. Research also focuses on its potential in photocatalysis for environmental remediation, such as breaking down pollutants under light exposure. Its application in nanotechnology is gaining attention for creating nanostructured materials with enhanced properties for various industrial and technological uses.