Analysis of the Seebeck Effect of Textile Thermocouples Fabricated with Conductive Yarns 


Vol. 56,  No. 6, pp. 411-417, Dec.  2019
10.12772/TSE.2019.56.411


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  Abstract

Recently, as the wearable device industry has expanded, textile sensors have been evaluated for use in the field of monitoring human biological signals such as pulse rate, respiration rate, and body temperature. Until now, most textile products with embedded semiconductors or small metal–based sensors have been known to exhibit problems, including uncomfortable fit, low stretchability, and poor durability. To resolve these issues, we fabricated a textile thermocouple using conductive yarns and then confirmed the feasibility of this thermocouple structure as a wearable temperature sensor. The electromotive forces generated by the textile thermocouples were then measured experimentally and the Seebeck coefficient of the embroidered thermocouple was measured as 21.9 μV/K.

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