Textile Triboelectric Nanogenerators as Self Powered Wearable Temperature Sensors

Min, G., Khandelwal, G. , Dahiya, A. S. , Mulvihill, D. M. and Dahiya, R. (2022) Textile Triboelectric Nanogenerators as Self Powered Wearable Temperature Sensors. In: 2022 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), Vienna, Austria, 10-13 Jul 2022, ISBN 9781665442732 (doi: 10.1109/FLEPS53764.2022.9781506)

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Efficient harvesting of ubiquitous ambient mechanical energy such as body movements, vibrations etc. using nanogenerators (NGs) have attracted considerable interest for the development of energy autonomous electronics. Herein, we present a high-performance textile triboelectric nanogenerators (T-TENGs) in fiber form factor using a Polytetrafluoroethylene (PTFE) film in contact with a Nylon based counter-surface in either nanofiber mat or fabric form (both fixed to conductive fabric electrodes). T-TENG performance is enhanced by performing Argon plasma treatment on the PTFE film. The plasma treated devices show increase in output voltage by a factor of 7.6, while short circuit current increased by a factor of 11.6 (compared to pristine non-plasma treated devices). We also show that the fabricated T-TENG can be used as a self-powered temperature sensor within the 25-90°C range. TENG voltage decreased linearly with increasing temperature exhibiting a sensitivity of -0.85/°C. To the best of our knowledge, this is the first demonstration of a T-TENG based self-powered temperature sensor. These results show the potential of T-TENGs for several applications such as detecting temperature in the human body and in self-powered e-Skin for the gloves of humanoid robots etc.

Item Type:Conference Proceedings
Glasgow Author(s) Enlighten ID:Dahiya, Dr Abhishek Singh and Dahiya, Professor Ravinder and Mulvihill, Dr Daniel and Khandelwal, Dr Gaurav and Min, Guanbo
Authors: Min, G., Khandelwal, G., Dahiya, A. S., Mulvihill, D. M., and Dahiya, R.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
College of Science and Engineering > School of Engineering > Systems Power and Energy
Published Online:10 June 2022

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
308617Next Generation Energy Autonomous Textile Fabrics based on Triboelectric NanogeneratorsDaniel MulvihillEngineering and Physical Sciences Research Council (EPSRC)EP/V003380/1ENG - Electronics & Nanoscale Engineering