Table 1 Geometric and material properties of the present system.

From: Phase-dependent dynamic potential of magnetically coupled two-degree-of-freedom bistable energy harvester

Parameter

Value

Substrates

 Length

70 mm (47 mm)*

 Width

10 mm

 Thickness

0.3 mm

 Density

7850 kg/m3

 Young’s modulus

200 GPa

Piezo-polymer layers

 Length

70 mm (47 mm)*

 Width

10 mm

 Thickness

0.052 mm

 Density

1780 kg/m3

 Young’s modulus

3 GPa

 Piezo-strain constant

−23 pm/V

 Permittivity

110 pF/m

Magnet

 Length

2 mm

 Width

10 mm

 Thickness

6 mm

 Magnetization

9 × 105 A/m

  1. *The parameter value in parentheses is the length of the second bimorph beam.
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