Graphitized multi-walled carbon nanotubes are widely used in various advanced applications due to their exceptional electrical, thermal, and mechanical properties. In electronics, they serve as conductive additives in composites, enhancing the conductivity of materials used in batteries, supercapacitors, and flexible electronics. Their high surface area and structural stability make them ideal for energy storage devices, where they improve charge storage capacity and cycling performance. In the field of materials science, these nanotubes are incorporated into polymers, metals, and ceramics to create lightweight yet strong composites, which are utilized in aerospace, automotive, and construction industries. Their thermal conductivity is leveraged in heat dissipation applications, such as thermal interface materials for electronic devices. Additionally, graphitized multi-walled carbon nanotubes are employed in environmental applications, including water filtration and gas sensing, due to their adsorption capabilities and sensitivity to various chemical species. Their biocompatibility also makes them suitable for biomedical applications, such as drug delivery systems and biosensors. Overall, their versatility and performance make them a valuable material in cutting-edge technologies.