Table 2 Performance comparison among published piezoelectric harvesters operated at low frequency range.

From: A piezoelectric micro generator worked at low frequency and high acceleration based on PZT and phosphor bronze bonding

Author

Input vibration (g)

Frequency (Hz)

Power output (μW)

Power density (μWcm−3)

Lee et al.21

1.0

255.9

1.125

2647

Aktakka et al.36

1.5

154

205

11417

Liu H et al.32

0.8

25

0.01

159.4

Shen et al.50

0.75

183.8

0.32

416

Lei et al.51

1.0

235

14.0

1086

Tang et al. (this work)

3.0

100.8

321

8664

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