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Proceedings Paper

Characteristics of energy harvesting using BaTiO3/Cu laminates with changes in temperature
Author(s): K. Mori; H. Takeuchi; F. Narita
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Paper Abstract

The energy harvesting characteristics of piezoelectric/copper (BaTiO3/Cu) laminates rising from sharp temperature changes were investigated both numerically and experimentally. First, a phase field simulation was performed to determine the temperature-dependent piezoelectric coefficient and permittivity values. Then, the output voltages of the BaTiO3/Cu laminates were calculated for variations from room temperature to either a cryogenic temperature (77 K) or a higher temperature (333 K) using a 3D finite element simulation with the properties calculated from the phase field simulation. Finally, the output voltages of the piezoelectric BaTiO3/Cu laminates were measured for the same temperature changes and were compared to the simulation results.

Paper Details

Date Published: 22 March 2018
PDF: 9 pages
Proc. SPIE 10596, Behavior and Mechanics of Multifunctional Materials and Composites XII, 105961Z (22 March 2018); doi: 10.1117/12.2296480
Show Author Affiliations
K. Mori, Ibaraki Univ. (Japan)
H. Takeuchi, Tohoku Univ. (Japan)
F. Narita, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 10596:
Behavior and Mechanics of Multifunctional Materials and Composites XII
Hani E. Naguib, Editor(s)

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