Experiments and Electromechanical Properties of a Broadband Piezoelectric Vibration Energy Harvester

Table 3

Measured results of BPEH with different , and load resistances .

	= 136 kΩ	= 177 kΩ	= 136 kΩ	= 177 kΩ
Left peak
Frequency [Hz]	33	31	24	24
Voltage [V/g]	110.8280	102.5641	271.6418	310.8108
Power [mW/g^2]	90.3151	59.4316	542.5681	545.7817
Middle well
Frequency [Hz]	38	37	32	32
Voltage [V/g]	26.3309	25.1998	15.1858	17.3844
Power [mW/g^2]	5.0979	3.5877	1.6956	1.7074
Right peak
Frequency [Hz]	42	42	38	38
Voltage [V/g]	226.6667	197.5940	82.1918	95.6522
Power [mW/g^2]	377.7778	220.5760	49.6727	51.6912