Energy Harvesting from Human Biomechanical Energy for Health-monitoring Devices. Issue 1 (2nd January 2021)

• Record Type: Journal Article
• Authors: Chaudhary, Parul; Azad, Puneet
• Is Part Of: IETE journal of research. Volume 67:Issue 1(2021)
• Page Start: 74
• Page End: 81
• Publication Date: 2021-01-02
• Subjects: Energy harvesting -- Buck converter -- TENG -- Health monitoring -- Skin temperature -- Pulse rate; Electronics -- Periodicals; Telecommunication -- Periodicals; Electronics; Telecommunication; Periodicals; 621.38
• DOI: 10.1080/03772063.2018.1530074
• Languages: English
• ISSNs: 0377-2063

Abstract

ABSTRACT: Conversion of human biomechanical energy into electrical form leads to the development of triboelectric nano-generator (TENG) for the operation of low-power health-monitoring devices. Here, we report a self-powered energy conversion system for sustainable operation of health-monitoring devices consisting of a TENG, an ac–dc converter, and a buck converter. The portable TENG comprising films of polytetrafluoroethylene, Mylar, and aluminium converts rotational motion into useful electricity. We have demonstrated the use of TENG as a power source for health-monitoring devices such as pulse rate monitor and thermometer. It is also capable of measuring the speed of cycling using an odometer and moisture content in the atmosphere using a hygrometer. The maximum energy is found to be 1269 µJ/cm 3 across a 1000 µf capacitor. Also, the maximum power across a 2 MΩ resistor is 240 µW. Such portable systems can act as a power source by harvesting human biomechanical energy while cycling for low-power electronics useful for medical diagnostics and fitness monitoring.