Modeling and Experiment of a V-Shaped Piezoelectric Energy Harvester

Table 2

Comparison of the newly bimorph V-shaped harvester with the previous unimorph harvester in [11] (load resistance=50 kΩ).

θ		π/4	π/2	3π/4
Vlotage (V/g)	Present device	9.67	8.78	8.93
	Su [11]	3.01	2.96	2.47
Power (mW/g^2)	Present device	1.87	1.54	1.59
	Su [11]	0.18	0.17	0.12