Articles | Volume 14, issue 2
https://doi.org/10.5194/jsss-14-147-2025
Special issue:
https://doi.org/10.5194/jsss-14-147-2025
Regular research article
 | 
06 Aug 2025
Regular research article |  | 06 Aug 2025

The optimal distribution of axial strain amplitude in a piezoelectric vibrating energy harvester

Eliya Salman, David Rosenstock, and David Elata

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Cited articles

Baker, J., Roundy, S., and Wright, P.: Alternative geometries for increasing power density in vibration energy scavenging for wireless sensor networks, in: 3rd International Energy Conversion Engineering Conference, San Francisco, California, 15–18 August 2005, 959–970, https://doi.org/10.2514/6.2005-5617, 2005. 
Benasciutti, D., Moro, L., Zelenika, S., and Brusa, E.: Vibration energy scavenging via piezoelectric bimorphs of optimized shapes, Microsyst. Technol., 16, 657–668, https://doi.org/10.1007/s00542-009-1000-5, 2010. 
Chen, Z. S., Yang, Y. M., and Deng, G. Q.: Analytical and experimental study on vibration energy harvesting behaviors of piezoelectric cantilevers with different geometries, in: 1st International Conference on Sustainable Power Generation and Supply, Nanjing, China, 6–7 April 2009, 1–6, https://doi.org/10.1109/SUPERGEN.2009.5348290, 2009. 
Dietl, J. M. and Garcia, E.: Beam shape optimization for power harvesting, J. Intel. Mat. Syst. Str., 21, 633–646, https://doi.org/10.1177/1045389X10365094, 2010. 
Du, S., Jia, Y., Chen, S.-T., Zhao, C., Sun, B., Arroyo, E., and Seshia, A. A.: A new electrode design method in piezoelectric vibration energy harvesters to maximize output power, Sensors Actuators A Phys., 263, 693–701, 2017. 
Short summary
In many investigations of piezoelectric energy harvesters, it is often tacitly assumed that optimal performance is achieved when the vibration mode of the structure ensures a uniform strain within the piezoelectric layer. This manuscript provides, for the first time ever, a rigorous proof of this point.
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