Multimode Consecutively Connected Piston-Type Cylindrical Triboelectric Nanogenerators for Rotational Energy Harvesting and Sensing Application

Figure 3

Output (a) voltage, (b) current, and (c) charge density of individual PC-TENGs measured at 100 rpm. Rectified (d) voltage and (e) current of individual PC-TENGs at 100 rpm. (f) Electrical circuit diagram including PC-TENG, rectifier, and capacitor to filter AC electrical signals from PC-TENG into DC. Output DC (g) voltage and (h) current from individual PC-TENGs. (i) Electrical circuit combining all four PC-TENGs in parallel connection with an effective filter circuit.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)