Ni Coated Multi-walled Carbon Nanotubes (MWCNTs) are widely used in various advanced applications due to their unique properties. Here are some key applications:

1. Catalysis: They are utilized as catalysts in chemical reactions, particularly in hydrogenation and dehydrogenation processes, where the nickel coating enhances catalytic activity and stability.
2. Energy Storage: These nanotubes are incorporated into electrodes for batteries and supercapacitors, improving electrical conductivity and energy storage capacity.
3. Sensors: Ni Coated MWCNTs are employed in the development of highly sensitive chemical and biosensors, leveraging their high surface area and electrical properties for detecting various analytes.
4. Electromagnetic Interference Shielding: They are used in materials designed to shield electronic devices from electromagnetic interference, benefiting from their conductive and magnetic properties.
5. Composite Materials: These nanotubes are added to polymers and other matrices to create composites with enhanced mechanical, thermal, and electrical properties, suitable for aerospace, automotive, and construction industries.
6. Field Emission Devices: They are used in field emission displays and electron sources due to their excellent electron emission characteristics.
7. Biomedical Applications: Ni Coated MWCNTs are explored for use in drug delivery systems and medical imaging, where their magnetic properties can be harnessed for targeted therapy and diagnostics.

These applications highlight the versatility and potential of Ni Coated Multi-walled Carbon Nanotubes in advancing technology across multiple fields.