Table 2.
Summary of the performance of some flexible pressure/strain sensors.
| Research Field | Innovation | Sensitivity/GF | Sensing Range |
Response Time |
Cyclic Stability |
Ref. |
|---|---|---|---|---|---|---|
| Conductive materials | Graphene foam | 1.16 kPa−1 | \ | 150 ms | >105 | [82] |
| Urchin-like hollow carbon sphere | >10 kPa−1 | 1 Pa–10 kPa | 60 ms | >5000 | [83] | |
| Graphene/(CNT) hierarchical networks | GF 197 at 10% strain | 50% strain | \ | >1000 | [84] | |
| Au film and polyaniline Nanofibers | 2.0 kPa−1 | <3.5 kPa | 50 ms | >104 | [85] | |
| Structural engineering | RGD spinosum | 507 kPa−1 | 0–40 kPa | 60 ms | >5000 | [86] |
| Multiscale and hierarchical wrinkles | GF 1078.1 | 650% strain | \ | >3000 | [87] | |
| Micropyramid arrays | 19 kPa−1 | 0.05 Pa–80 kPa | 48 ms | >1000 | [88] | |
| Convex microarrays | 30.2 kPa−1 | 0.7 Pa–10 kPa | 25 ms | >105 | [89] | |
| Graded intrafillable architecture | >220 kPa−1 | 0.08 Pa–360 kPa | 9 ms | >5000 | [90] |