Table 1.

Characteristics of the carbon nanotubes (CNT) [16] and carbon nanofibres (CNF) [17] according to manufacturers’ datasheets.

Material Characteristics	CNT	CNF
Average diameter, nm	9.5	130
Average length, μm	1.5	20
Aspect ratio	158	153
Surface area, m2/g	250–300	24
Density, g/cm3	1.75	1.90