Page 312 - Carbon Nanotube Fibres and Yarns

300 Index

Silk fiber, 7–8 Surface twist angle, 159–160, 185–186
Single-walled carbon nanotubes SWCNTs. See Single-walled carbon
(SWCNTs), 2, 28, 42, 73–74, 170, nanotubes (SWCNTs)
250, 275 Symmetrical pseudocapacitive device, 261
Siro-spun yarn method, 163 Symmetric threadlike supercapacitors
Slip factor, 186 CNT/PVA composite fibers, 254
Small-angle X-ray scattering (SAXS), core/sheath yarn structure, 254–255, 255f
17–19 electronic textile application, 254
Smart sensor, 213–214 PANI nanowires, 257
Smart textile, 7, 9, 271, 278–279 psuedocapacitive materials, 257
Sodium dodecyl sulfate (SDS), 62 SC fabrication process, 257, 258f
Solid-state polymer electrolyte, 248 stretchable electronics, 259, 260f
Solution-spun CNT fibers, 4f, 174 structure, 259–261, 260f
acid solutions, 65–68 transitional metal oxide pseudocapacitive
alternative wet-spinning route, 68 materials, 259
extrusion techniques, 61 twisted ply asymmetric supercapacitor,
melt spinning, 61 259–261
spinneret, 61 two-ply electrode, 255–257, 256f
surfactant based solutions, 62–65 Synergistic redox reaction, 246–247
Sonic pulse test, 167
Spring-like yarn coil, 278 T
Stainless steel (SS), 31–32, 66 TaPa-Py COF, 245
Staple fiber, 4f, 5, 137, 139, 142, 153, 176 Technology readiness levels (TRLs), 85
Staple yarn, 184–185, 185f Tenacity, 47–48, 155, 158, 162–165, 164f,
Static friction law, 189, 192 174–176
Step-wise finite element method, 200–201 Tensile actuators
Strength variability, 156–158 coiled CNT yarns, 277–278
Stress wave propagation technique, 215–216 twist spun yarns, 275–276
Stretchable wearable sensor, 222 Tensile gauge length, 155
Structural health monitoring (SHM), Tensile properties, CNT yarns
215–216 frictional slippage, 168, 169f
Superacids, 65, 68, 107–108 quasistatic test, 167
Supercapacitors (SCs) sonic and quasistatic moduli, 168, 169f
vs. batteries, 243 sonic strain rates, 168
EDLCs, 244–245 strain rate, 167
electrodes, 243–244 tenacity, dynamic, and quasistatic moduli
electrolyte, 248 and modulus ratio, 168–169, 169t
flexible, 246–247, 250–251 Tensile strength, 2, 5, 63–64, 72, 86–89, 142,
performance evaluation, 248–250 167
potential applications and future densification methods, 163–165, 164f
directions, 265–266 nanotube length, 159–160
pseudocapacitor, 244–245 nanotube strength, 158–159
self-charging supercapacitors, 264–265 post-spinning treatments, 165–167, 166f
separator, 243–244 spinning conditions, 162–163
threadlike supercapacitors strength variability, 156–158, 157f
architectures of, 253–254, 253f tensile testing conditions, 155–156, 156f
asymmetric, 261–264 twist, 161–162, 162f
symmetric, 254–261 yarn diameter, 139, 160–161