Table 1 The Effect of sensing mechanism on the performance of FBES
From: Flexible brain electronic sensors advance wearable brain-computer interface
Transmission mechanism | Materials | sensitivity | Electric conductivity | Response time/ms | Mechanical property | Reference |
|---|---|---|---|---|---|---|
Piezoresistive | EcoFlex+Oxide/mGN | 1302.1 kPa−1 | 0.003 S·m−1 | 122.8 kPa | ||
Piezoresistive | AgNWs | 1.5 kPa | Percolation threshold was 0.48 vol% | |||
Piezoresistive | PDMS/MWCNTs | 0.183%/°C | Good stability at 30–50 °C | |||
Piezoresistive | MXene aerogel | 1,799.5 kPa−1 | 11 ms | Cycles: å 25,000 | ||
Capacitive | Ionic gel | 72.86 kPa−1 | 43 ms | Cycles:7300 | ||
Piezoelectric | Hydrogel+Ag | 374 S/cm | Compressive ability: 10 Kpa | |||
Piezoelectric | PVDF@ZnO | G = 4. 59 | Curvature:150° | |||
Hybrid sensing | PDMS + CB/CNTs | G = 4.36 | 10% | |||
Capacitive+Piezoresistive | Dielectric calcium cross-linked alginate film | 10 ms |
