The Effect of the Parameters of a Vibration-Based Impact Mode Piezoelectric Power Generator

Table 1

Specifications of the round piezoelectric device.

Parameter	Value
Diameter of metal plate	35.0 ± 0.1 mm
Diameter of ceramic element	25.0 ± 0.4 mm
Thickness of ceramic element	0.21 ± 0.05 mm
Young’s modulus	5.6 × 10^10 N/m^2
Piezoelectric strain constant,	420 × 10^−12 m/V
Piezoelectric stress constant,	23.3 × 10^−3 Vm/N
Capacitance,	35 nF