Carbon nanotube bundled multi-walled are widely used in electronics for creating conductive films and coatings, enhancing the performance of devices like touchscreens and flexible displays. Their high strength and lightweight properties make them ideal for reinforcing composite materials in aerospace and automotive industries, improving durability and fuel efficiency. In energy storage, they are utilized in supercapacitors and lithium-ion batteries to increase conductivity and energy density. Additionally, their unique structure is leveraged in sensors for detecting gases and biomolecules, offering high sensitivity and rapid response times. They also play a role in water filtration systems, effectively removing contaminants due to their large surface area and adsorption capabilities.