Pyroelectric Energy Harvesting: With Thermodynamic-Based Cycles

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td align="left">Cycle</td><td align="center">Harvested energy (mJ/cm<sup>3</sup>)</td><td align="center">Efficiency <svg height="15.65" id="M49" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 21.375 15.65" width="21.375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></td><td align="center">Efficiency related to the Carnot cycle <svg height="16.512501" id="M50" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 71.050003 16.512501" width="71.050003" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.012,-0,0,-.012,23.863,16.087)"><path d="M614 175l29 -10q-33 -109 -57 -154q-121 -26 -184 -26q-90 0 -160.5 29t-112.5 77t-63.5 105.5t-21.5 119.5q0 157 108 253t277 96q36 0 71.5 -5t69 -13.5t36.5 -8.5q15 -102 20 -150l-29 -8q-20 79 -66.5 114t-128.5 35q-119 0 -187.5 -86t-68.5 -207
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</svg></td><td align="center">Harvested energy and initial temperature relationship</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td align="left">Ericsson</td><td align="center">35</td><td align="center">0.15</td><td align="center">4.6</td><td align="center">Harvested energy decreased with increase of initial temperature (completely dependent)</td></tr><tr><td align="left">Lenoir</td><td align="center">17</td><td align="center">0.07</td><td align="center">0.7</td><td align="center">Independent</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Some comparisons between two cycles at 2 V/m of the electric field.

Smart Materials Research

tab2

Table 2

Table 2: Pyroelectric Energy Harvesting: With Thermodynamic-Based Cycles 