Fig. 4: Structure, sensing mechanisms, sensing performances, and characterization of the pressure-sensing unit. | Microsystems & Nanoengineering

Fig. 4: Structure, sensing mechanisms, sensing performances, and characterization of the pressure-sensing unit.

From: An underwater vest containing an antioxidant MXene hydrogel for sensitive recognition of fish locomotion

Fig. 4

a Schematic illustration of the sensing unit. b Molecular illustration of the interaction between PVA and PVP. c Sensing mechanisms of the unit under applied and removed loads. d Capacitance-pressure response curve of the sensing unit with MH(30)-IL electrodes. e The response and reset times of the sensing unit. f Pressure resolution tests loaded at base pressures of 0 kPa and 100 kPa. g Compression-release stability over 10,000 cycles. h Capacitance-pressure response curve of the unit after immersion in water for a 60-day period. i CV curves of the unit at various scan rates. j CV curves of the unit at various applied loads. k Nyquist spectra of the units with different electrodes for MXene, MH (30wn), MH (30), and MH (30)-IL

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