Table 1.
Properties of various graphene-based staple fiber strain sensors.
| Main Materials | Substrate | Fabrication Method |
GF | Sensing Range (%) | Stability (Cycle) |
Response Time (ms) | Application | References |
|---|---|---|---|---|---|---|---|---|
| Graphene | Graphene fiber | CVD | 34.3–48.9 (8% strain) |
- | - | - | - | [55] |
| RGO | Cellulose acetate fiber bundles | Dipping | −8.9 (<5% strain) |
0.05–75 | 580 (0.3% strain) |
- | Monitor full-range human motions | [64] |
| Graphene/ polyvinylidene fluoride/polyurethane |
graphene fiber | Phase-separation | 51 (0–5% strain) 87 (5–8% strain) |
- | 6000 (1% strain) |
<100 | Monitor a pulse wave, eyeball movement and joint motion | [57] |
| SBS/FLG | SBS/FLG composite fibers | Wet-spinning | 160 (50% strain) 2546 (100% strain) |
>110 | - | - | - | [44] |
| SBS/graphene | SBS/graphene composite fibers | Wet-spinning | 56 (0–40% strain) 1592 (40–73% strain) 10,084 (73–100% strain) |
Up to 100 | 2100 (20% strain) |
- | Detect human upper limb movements in different joints | [45] |
| RGO | RGO fibers | Wet-spinning/ vacuum filtration |
1668 (~66% strain) |
0.24–70 | 1200 (20% strain) |
~30 | Monitor fingers and arm movements, breathing during exercise and pulse be | [46] |
| RGO/TPU | RGO/TPU fibers | Electrospinning | ~50 (50% strain) |
0–150 | 500 (150% strain) |
<160 | Monitor full-range human motions | [50] |