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http://dx.doi.org/10.6109/jkiice.2022.26.9.1347

Properties of CoGe thin film-based galvanic cells and their applications for IoT sensor networks  

Jeon, Buil (School of Electrical Engineering, Korea Advanced Institute of Science and Technology)
Han, Dongsoo (School of Computing, Korea Advanced Institute of Science and Technology)
Yoon, Giwan (School of Electrical Engineering, Korea Advanced Institute of Science and Technology)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.26, no.9, 2022 , pp. 1347-1356 More about this Journal
Abstract
In this paper, we investigate the properties of CoGe thin film-based galvanic cells as a function of their dimension (cell length, width, etc.) and show their application as sensors to Arduino-based IoT sensor networks to detect water contact. Because these CoGe thin film-based galvanic cells do not require mechanical strains or temperature gradients unlike piezoelectric and thermoelectric energy harvesters, we think that these thin film-based galvanic cells are more suitable for self-powered sensor networks demanding sustainable and robust energy harvesters. In the past, a sputter-deposited CoGe thin film has not been intensively investigated for energy harvesting appilcations. Thus, in this study, we perform a feasibility study of galvanic cells composed of a sputter-deposited CoGe thin film to see if they can be applied as potential self-powered sensors. We believe that this paper will be of great help in developing even more enhanced sensor networks.
Keywords
CoGe; Thin films; Galvanic cells; IoT sensor networks;
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