Author name | Generator dimension | Materials used | Generator configuration | Coupling mode | Input | Output | Application |
Lu [36] | (5 × 1 × 0.4) mm | PZT-PIC 255 PZN-8% PT | Piezoelectric laminated generator | “31” coupling mode | Amplitude on seismic mass (µm) = 30 | PZT-PIC 255 P = 0.64 µW PZN-8% PT P = 0.31 µW | MEMS |
Roundy [7] | (17 × 3.6 × 0.38) mm | PZT-5A PZT-5H Steel center shim Brass center shim | Cantilevered Bimorphs | “31” coupling mode | Input Acceleration = 2.5 ms−2 Input Frequency = 120 Hz | 375 µW from 1 cm 3 generator | Wireless transceiver |
Erturk [37] | (50.8 × 31.8 × 0.52) mm | - | Cantilever based energy harvester | - | Input frequency = 45.6 Hz | 23.9 mW/g2 @ 35 KΩ | - |
Lee [38] | (3000 × 1500 × 11) µm | PZT, Si, SiO2, Ti/Pt | Cantilever type generator | “31” and “33” mode MEMS generator made by a silicon process | For “31” mode Resonant frequency = 255.9 Hz Operating Load = 150 KΩ For “33” mode Resonant frequency = 214 Hz Operating Load = 510 KΩ | For “31” mode P = 2.099 µW Voc = 2.415 V Vsh = 1.587 V For “33” mode P = 1.288 µW Voc = 4.127 V Vsh = 2.292 V | MEMS |
Kim [39] | (53 × 31 × 6.6) mm | - | Cantilever beam piezoelectric generator | - | Input Acceleration = 0.2 ms-2 Input Frequency = 34.57 Hz | 60 µW @ 27.6 KΩ | - |