Research Article

Development and Validation of an Enhanced Coupled-Field Model for PZT Cantilever Bimorph Energy Harvester

Table 1

Characteristics of Q220-A4-203Y [17].

Property Units Value

Length mm28.43
Width mm6.35
Piezo thickness mm0.19
Central brass thickness mm0.13
Strain coefficient ×  m/V−190
Coupling coefficient CV/Nm0.35
Young’s modulus GPa66