CUED Publications database

Crumplingfor energy: Modeling generated power from the crumpling of polymer piezoelectric foils for wearable electronics

Kodali, P and Saravanavel, G and Sambandan, S (2017) Crumplingfor energy: Modeling generated power from the crumpling of polymer piezoelectric foils for wearable electronics. Flexible and Printed Electronics, 2.

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Abstract

We consider the possibility of embedding large sheets of polymer piezoelectrics in clothing for sensing and energy harvesting for wearable electronic applications. Power is generated by the crumpling of clothes due to human body movements. From the mechanics of a gently crumpled foil, we develop theoretical models and scaling laws for the open circuit voltage and short circuit current and verify these via experiments. It is concluded that stretching is the dominant charge generation mechanism with the open circuit voltage and short circuit current proportional to l and l (dl/dt), respectively with 1 ≤ i ≤ 4/3 and/the height of the crumple cone. i i-1

Item Type: Article
Uncontrolled Keywords: cond-mat.soft cond-mat.soft
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 20:06
Last Modified: 10 Apr 2021 22:52
DOI: 10.1088/2058-8585/aa7be5