Nonlinear pyroelectric energy harvesting from relaxor single crystals

IEEE Trans Ultrason Ferroelectr Freq Control. 2009 Apr;56(4):693-9. doi: 10.1109/TUFFC.2009.1092.

Abstract

Energy harvesting from temperature variations in a Pb(Zn(1/3)Nb(2/3))(0.955)Ti(0.045)O(3) single crystal was studied and evaluated using the Ericsson thermodynamic cycle. The efficiency of this cycle related to Carnot cycle is 100 times higher than direct pyroelectric energy harvesting, and it can be as high as 5.5% for a 10 degrees C temperature variation and 2 kV/mm electric field. The amount of harvested energy for a 60 degrees C temperature variation and 2 kV/mm electric field is 242.7 mJ x cm(-3). The influence of ferroelectric phase transitions on the energy harvesting performance is discussed and illustrated with experimental results.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Ceramics*
  • Computer-Aided Design
  • Crystallization
  • Electric Power Supplies*
  • Electrochemistry / instrumentation*
  • Energy Transfer*
  • Equipment Design
  • Equipment Failure Analysis
  • Hot Temperature
  • Micro-Electrical-Mechanical Systems / instrumentation*
  • Nonlinear Dynamics
  • Reproducibility of Results
  • Sensitivity and Specificity
  • Transducers*