Design and Experimental Evaluation on an Advanced Multisource Energy Harvesting System for Wireless Sensor Nodes

Figure 11

Experiment results with 470 W/m² light power intensity and 1 g amplitude vibration. Negative value in this Figure denotes the discharge current or discharge power of the lithium polymer battery and super capacitor. (a) Voltage curve; (b) current curve; and (c) power curve.

(a)

(b)

(c)