L-shape triple defects in a phononic crystal for broadband piezoelectric energy harvesting

Nano Convergence

Table 3 Output voltage and electric power values at peak frequencies and their sums across the power-optimal electrical resistances

Power-optimal electrical resistance	Defect	Quantity	Value
Power-optimal electrical resistance	Defect	Quantity	59.99 kHz	60.01 kHz	60.03 kHz
Case I	L-triple PD1	Voltage	10.2 V	3.93 V	9.91 V
	L-triple PD1	Electric power	1.37 mW	0.20 mW	1.22 mW
	L-triple PD2	Voltage	9.44 V	8.66 V	9.61 V
	L-triple PD2	Electric power	0.74 mW	0.62 mW	0.76 mW
	L-triple PD3	Voltage	9.58 V	16.8 V	8.73 V
	L-triple PD3	Electric power	1.00 mW	3.09 mW	0.84 mW
	Sum	Voltage	29.2 V	29.4 V	28.0 V
	Sum	Electric power	3.12 mW	3.92 mW	2.82 mW
Case I	L-triple PD1	Voltage	8.40 V	3.53 V	8.02 V
	L-triple PD1	Electric power	1.54 mW	0.27 mW	1.51 mW
	L-triple PD2	Voltage	6.83 V	8.00 V	6.42 V
	L-triple PD2	Electric power	0.37 mW	0.51 mW	0.53 mW
	L-triple PD3	Voltage	9.58 V	16.8 V	8.73 V
	L-triple PD3	Electric power	1.00 mW	3.09 mW	0.84 mW
	Sum	Voltage	24.8 V	28.3 V	23.2 V
	Sum	Electric power	2.92 mW	3.88 mW	2.87 mW