Waste heat can be directly converted into electrical energy by performing the Olsen cycle on pyroelectric materials. The Olsen cycle consists of two isothermal and two isoelectric field processes in the electric displacement versus electric field diagram. This paper reports on the energy harvested by lanthanum doped lead zirconate titanate (8/65/35 PLZT) subjected to the Olsen cycle. The material was alternatively dipped into a cold and a hot silicone oil bath under specified electric fields. A maximum energy density of 770 J/L per cycle corresponding to a power density of 9.6 W/L was obtained for temperatures between 25 and 160°C and electric fields cycled between 0.2 and 4.5 MV/m.
- Nanotechnology Institute
Pyroelectric Energy Harvesting Using the Olsen Cycle on Relaxor Ferroelectric 8/65/35 PLZT
- Views Icon Views
- Share Icon Share
- Search Site
Lee, F, Goljahi, S, McKinley, I, Lynch, CS, & Pilon, L. "Pyroelectric Energy Harvesting Using the Olsen Cycle on Relaxor Ferroelectric 8/65/35 PLZT." Proceedings of the ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer. ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer. Atlanta, Georgia, USA. March 3–6, 2012. pp. 597-604. ASME. https://doi.org/10.1115/MNHMT2012-75152
Download citation file: