Figure 5

CIT-TENG as omnipotent vibration energy scavenger. Water wave vibration energy scavenging: (a) photograph of experimental setup, (b) input acceleration measurement, (c) input frequency spectrum, (d) CIT-TENG output voltage results, and (e) CIT-TENG output current results. Air compressor vibration energy scavenging: (f) photograph of experimental setup, (g) input acceleration measurement, (h) input frequency spectrum with CIT-TENG operation range indicated, (i) CIT-TENG output voltage results, and (j) CIT-TENG output current results.