On the Energy Harvesting Potential of Lead- Free Piezoelectric Composites from Air-Flow and Temperature Change : Crimson Publishers
On the Energy Harvesting Potential of Lead- Free Piezoelectric Composites from Air-Flow and Temperature Change by Fumio Narita* in Crimson Publishers: Peer Reviewed Material Science Journals
This communication gives a short overview of our recent findings of output voltage in lead-free piezoelectric particle/polymer composites due to air-flow and temperature change. Barium titanate (BTO)/epoxy composite and potassium sodium niobate (KNN)/epoxy composite sheets were fabricated. The composite samples were polarized using either a parallel plate contact or contactless (corona) poling technique. The distribution of the phases in the matrix was studied by a scanning electron microscopy (SEM). The output voltage was then measured for the composite sheets due to airflow. The output voltage was also examined for the composites due to temperature change, and the effect of the poling conditions on the performance was examined. This short communication opens the door for development of flexible multi-energy harvesting devices.
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