Page 261 - Carbon Nanotube Fibres and Yarns

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Carbon Nanotube Fibers and Yarns
–2
Areal capacitance (mF cm )
100
0.1
10
1
100
Areal capacitance
–2
(mF cm )
100
10
1
80
20
Scan rate (Vs –1 )
16
Scan rate (Vs –1 )
60
12
8
40
4
0
20
10
(F cm ) 100
1
–3
Volumetric capacitance
0
(C)
1
0.1
10
100
Volumetric capacitance (F cm )
–3
0.6
0.8
0.2
0.4
1.0
0
Capacitance ratio (C/C )
2k 10k 8k 6k 4k 2k 0 (E) Cycles (A) SEM images of a biscrolled yarn with ~37° bias angle. Scale bar, 10 μm. (B) Two SEM images of a PEDOT/MWCNT biscrolled yarn that is plied with a 25 μm Pt wire. Scale bar, 40 μm. (C) Volumetric capacitance vs scan rate. (D) Bending a fl
K = 0.2
0
2k
K = 0.1 Cycles
0
2k
K = 0 Nat. Commun. 4 (2013) 1970–1977.)
0 (D)
1.0 0.8 0.6 0.4 0.2
Fig. 10.2
0
Capacitance ratio (C/C )