All-Printed Human Activity Monitoring and Energy Harvesting Device for Internet of Thing Applications

Shawkat Ali, Saleem Khan, Amine Bermak

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A self-powered device for human activity monitoring and energy harvesting for Internet of Things (IoT) devices is proposed. The self-powered device utilizes flexible Nano-generators (NGs), flexible diodes and off-the-shelf capacitors. During footsteps the NGs generate an AC voltage then it is converted into DC using rectifiers and the DC power is stored in a capacitor for powering the IoT devices. Polydimethylsiloxane (PDMS) and zinc stannate (ZnSnO₃) composite is utilized for the NG active layer, indium tin oxide (ITO) and aluminum (Al) are used as the bottom and top electrodes, respectively. Four diodes are fabricated on the bottom electrode of the NG and connected in bridge rectifier configuration. A generated voltage of 18 Vpeak was achieved with a human footstep. The self-powered smart device also showed excellent robustness and stable energy scavenger from human footsteps. As an application we demonstrate human activity detection and energy harvesting for IoT devices.

Original languageEnglish
JournalSensors (Basel, Switzerland)
Volume19
Issue number5
DOIs
Publication statusPublished - 8 Mar 2019

Fingerprint

Energy harvesting
Human Activities
Internet
Equipment and Supplies
Monitoring
Diodes
Capacitors
generators
Electrodes
rectifiers
Electric potential
Polydimethylsiloxane
Tin oxides
Aluminum
Indium
energy
Zinc
capacitors
direct current
diodes

Keywords

  • energy harvesting
  • Nano-generator
  • printed electronics
  • smart mat
  • ZnSnO3

ASJC Scopus subject areas

  • Analytical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Biochemistry
  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

All-Printed Human Activity Monitoring and Energy Harvesting Device for Internet of Thing Applications. / Ali, Shawkat; Khan, Saleem; Bermak, Amine.

In: Sensors (Basel, Switzerland), Vol. 19, No. 5, 08.03.2019.

Research output: Contribution to journalArticle

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