Electric Conductivity and Piezoresistivity of Carbon Nanotube Artificial Skin Based on the Design of Mesh Structure

Table 1

Parameter configuration of the samples.

Sample number	Number of carbon nanotube line	Density of carbon nanotube line	Diameter of carbon nanotube line	Strength of carbon nanotube line	Elongation at break	Conductivity	Pipe diameter (nm)	Aspect ratio
G1	CNTL1	0.3 g/cm^3	12 µm	300 MPa	1.5∼2%	5 × 10^4 S/m	20–30	300–500
G2	CNTL2	0.5 g/cm^3	12 µm	800 MPa	2∼3.5%	5.3 × 10^4 S/m	20–30	300–500
G3	CNTL3	0.8 g/cm^3	12 µm	1000 MPa	2∼3.5%	6 × 10^4 S/m	20–30	300–500
G4	CNTL4	1.0 g/cm^3	12 µm	1200 MPa	2.5∼3.5%	7.1 × 10^4 S/m	20–30	300–500