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@article{ART002964111},
author={Kar Epsita and Bose Navonil and Das Sukhen},
title={Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics},
journal={Carbon Letters},
issn={1976-4251},
year={2023},
volume={33},
number={3},
pages={751-760},
doi={10.1007/s42823-022-00457-0}

TY - JOUR
AU - Kar Epsita
AU - Bose Navonil
AU - Das Sukhen
TI - Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics
JO - Carbon Letters
PY - 2023
VL - 33
IS - 3
PB - Korean Carbon Society
SP - 751
EP - 760
SN - 1976-4251
AB - The fast expanding field of wearable technology requires light-weight, low-cost, scalable, flexible and efficient energy harvesters as a source of uninterrupted green power. This work reports fabrication of sub-micron graphite platelet/PVDF composite film-based flexible piezoelectric energy harvester (PGEH) for scavenging the wasted mechanical energy associated with human body motion. The addition of graphite platelet leads to the enhancement of electroactive β phase in PVDF; consequently, the piezoelectric and dielectric properties of the composite are enhanced. 0.5 wt% filler-loaded composite has 96% β phase fraction and dielectric constant 32 at 100 Hz (tanδ = 0.18).The PGEH produces open circuit voltage of 40 V and instantaneous power density of 3.35 mW cm−3 with energy conversion efficiency of 22.5% under periodic finger tapping. It can generate fair electrical output under gentle heel (0.8 V) and toe movements (1.2 V). A PGEH is directly employed for powering 50 commercial LEDs and quick charging of a 2.2-µF capacitor upto 19.2 V. The device is also employed as self-powered dynamic pressure sensor which shows high sensitivity (0.9 VkPa−1) with fast response time (1 ms). Therefore, this durable, flexible, efficient PGEH can have promising applications in wearable electronics as a green power source cum self-powered mechanosensor.
KW - Sub-micron graphite platelet PVDF composite Piezoelectric energy harvester Mechanosensor
DO - 10.1007/s42823-022-00457-0
ER -

Kar Epsita, Bose Navonil and Das Sukhen. (2023). Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics. Carbon Letters, 33(3), 751-760.

Kar Epsita, Bose Navonil and Das Sukhen. 2023, "Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics", Carbon Letters, vol.33, no.3 pp.751-760. Available from: doi:10.1007/s42823-022-00457-0

Kar Epsita, Bose Navonil, Das Sukhen "Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics" Carbon Letters 33.3 pp.751-760 (2023) : 751.

Kar Epsita, Bose Navonil, Das Sukhen. Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics. 2023; 33(3), 751-760. Available from: doi:10.1007/s42823-022-00457-0

Kar Epsita, Bose Navonil and Das Sukhen. "Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics" Carbon Letters 33, no.3 (2023) : 751-760.doi: 10.1007/s42823-022-00457-0

Kar Epsita; Bose Navonil; Das Sukhen. Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics. Carbon Letters, 33(3), 751-760. doi: 10.1007/s42823-022-00457-0

Kar Epsita; Bose Navonil; Das Sukhen. Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics. Carbon Letters. 2023; 33(3) 751-760. doi: 10.1007/s42823-022-00457-0

Kar Epsita, Bose Navonil, Das Sukhen. Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics. 2023; 33(3), 751-760. Available from: doi:10.1007/s42823-022-00457-0

Kar Epsita, Bose Navonil and Das Sukhen. "Submicron graphite platelet-incorporated PVDF composite: an efficient body motion-based energy harvester for flexible electronics" Carbon Letters 33, no.3 (2023) : 751-760.doi: 10.1007/s42823-022-00457-0