Table 3.
Performance of various graphene-based nonwoven strain sensors.
| Main Materials | Substrate | Fabrication Method |
GF | Sensing Range (%) | Stability (Cycle) |
Response Time (ms) | Application | Other Advantages |
References |
|---|---|---|---|---|---|---|---|---|---|
| GO | Viscose nonwoven fabrics | Screen-printing | - | - | - | - | Detect the bending movements of wrist joint | Washing fastness (sheet resistance changes from ~1.6 to ~7.1 kΩ/sq after 5 washing cycles) | [85] |
| RGO | PET nonwoven fabric | Suction filtration | - | - | 150 (10% strain) |
- | Monitor human wrist movements | Electrothermal property (about 50 °C under a voltage of 6 V) | [86] |
| Graphene | Nonwoven fabric | Spray coating | 9 (1% strain) 9.43 (20% strain) |
- | 20 (1–3% strain) |
- | - | - | [73] |
| RGO | Nonwoven fabric | Dip-and-reduce | −7.1 (1% strain) |
- | 10,000 (1% strain) |
- | Monitor human motions | - | [71] |
| RGO/carbon nanotubes | Nonwoven fabric | Dip-and-reduce | ~33 (1% strain) |
- | - | - | Monitor body motion and blood pulse | Machine washable (the resistance of RGO/CNTs/NWF textile changes from ~31 to ~36 kΩ after 6 washing cycles) | [72] |
| Graphene/ cellulose nanocrystal |
TPU non-woven fabrics | Dip-coating | 180 (15% strain) |
Up to 98 | >1000 (10% strain) |
33 | Detect full-range human activities | Self-cleaning, anti-corrosion ability and waterproofness (WCA = 154°) | [87] |