Paper Title:
Electrochemical Modification of Silver Coated Multifilament for Wearable ECG Monitoring Electrodes
  Abstract

This paper presents a method to fabricate textile structural electrodes from material preparation to electrode structure design and testing. Silver/Silver Chloride (Ag/AgCl) was assumed to be the best electrode material system for acquisition of biopotential signals. A AgCl coating has been grown on silver (Ag) coated multilament yarn to form Ag/AgCl combination using constant voltage electrolytic deposition in 0.9% wt sodium chloride bath. The AgCl thickness could be controlled by varying processing time (t) and voltage (V). Surface morphology of the treated fibres were studied by scanning electron microscopy (SEM) which revealed that AgCl grain size became bigger and denser as increased processing time and voltage. The impedance of the treated fibre was analyzed by electrochemical impedance spectroscopy (EIS) analysis from 0.1H z to 1000H z which shown that impedance also increased with processing time and voltage. The prepared Ag/AgCl multilament yarn was fabricated into wearable electrode using embroidery technique. ECG testing confirmed that the electrodes made from treated fibre can acquire high quality signal.

  Info
Periodical
Advanced Materials Research (Volumes 332-334)
Chapter
Chapter 5: Structure, Properties and Processes of Textile Materials
Edited by
Xiaoming Qian and Huawu Liu
Pages
1019-1023
DOI
10.4028/www.scientific.net/AMR.332-334.1019
Citation
P. J. Xu, H. Liu, H. Zhang, X. M. Tao, S. Y. Wang, "Electrochemical Modification of Silver Coated Multifilament for Wearable ECG Monitoring Electrodes", Advanced Materials Research, Vols. 332-334, pp. 1019-1023, 2011
Online since
September 2011
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Price
$32.00
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