Aligned multi-walled carbon nanotubes are extensively used in the field of electronics for creating high-performance transistors and sensors due to their excellent electrical conductivity and mechanical strength. In energy storage, they serve as efficient components in supercapacitors and lithium-ion batteries, enhancing charge capacity and durability. Their unique structure is also leveraged in composite materials to improve tensile strength and thermal conductivity, making them ideal for aerospace and automotive applications. Additionally, they are employed in filtration systems for water purification and gas separation, thanks to their high surface area and selective permeability. In biomedical applications, these nanotubes are explored for drug delivery systems and tissue engineering scaffolds, providing precise targeting and structural support.