Research Article
Ultrahigh Performance Piezoelectric Energy Harvester Using Lead-Free Piezoceramics with Large Electromechanical Coupling Factor
Table 3
Power densities of the various PEHs manufactured utilizing the different piezoceramics.
| | Composition | Resonance frequency (Hz) | Acceleration (m/s2) | Output power density (mW/cm3) | Reference |
| | Lead free-based ceramic | This work | 120 | 9.8 | 7.86 | This work | | Textured KNNS-CZ | 130 | 9.8 | 3.6 | [33] | | Textured NKNS-BZ-BAZ | 131 | 9.8 | 4.3 | [22] | | Textured NKNS-SZ | 120 | 9.8 | 4.1 | [9] | | Mn-KNN | 90 | 10.0 | 0.32 | [34] | | BCTZ | 26 | 9.8 | 1.7 | [35] | | BCTZ/Ag | 90 | 9.8 | 3.6 | [36] |
| | Lead-based ceramic | PZT-5H | 92 | 9 | 4.6 | [37] | | PZN-PZT+MnO2 | 90 | 9.8 | 1.5 | [32] | | PZT-PNN | 260 | 9.8 | 1.0 | [38] |
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