Diameter: 7-11 nm
Length: (a) 10 µm, (b) 100 µm
Content: ≥99.9% carbon basis
Applications: Additives in polymers, electron field emitters for cathode-ray lighting elements, catalysts, transistors, gas-discharge tubes in telecom networks, batteries, solar cells, absorption and shielding of electromagnetic saves, flat panel display, conversion of energy and storage, storage of hydrogen, sensors, nanotube composites, anodes of lithium-batteries, supercapacitors, and reinforcements in composites.