Development and Analysis of Graphene-polymer Composite Flexible Electrode

Authors

  • Ibrahim Abdulrahman School of Mechanical Engineering, Faculty of Engineering Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor
  • Aini Zuhra Abdul Kadir School of Mechanical Engineering, Faculty of Engineering Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor
  • Muhamad Azizi Mat Yajid School of Mechanical Engineering, Faculty of Engineering Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor
  • Nor Hasrul Akhmal Ngadiman School of Mechanical Engineering, Faculty of Engineering Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor
  • Mohd Zamri Mohd Yusop School of Mechanical Engineering, Faculty of Engineering Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor

Keywords:

Flexible electrode, graphene, conductivity, carbon nanotubes, silicone rubber

Abstract

Composite flexible electrode made up of a carbon nanotubes (CNTs) added with graphene has a
remarkable potential in overcoming the limitations of a metal-based electrode of higher surface
contact between the skin which creates lower resistance and consistent current flow. In medical
application, the function is as a conductor to convert ionic potential into electronic potentials
through the skin suitable to sense signals for EEG or ECG. However, this electrode still requires
further exploration in terms of design and composition for it to become affordable. Therefore, this
study aims to develop a flexible electrode made of graphene-CNT composite based on selected
design and to analyse the conductivity levels of the electrode with and without cable connections.
Two-probe measurement system was used to measure the conductivity levels of the developed
electrodes containing various composite compositions as well as various cable connection types.
The results showed that 20% CNTs mixture with 2% Graphene was the best conductor with
approximately ±20μA recorded. When SOMK cables with and without copper ring were used,
9.091A current was recorded.

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Published

2019-05-15

How to Cite

Abdulrahman, I., Abdul Kadir, A. Z., Mat Yajid, M. A., Ngadiman, N. H. A., & Mohd Yusop, M. Z. (2019). Development and Analysis of Graphene-polymer Composite Flexible Electrode. Jurnal Mekanikal, 41(2-S). Retrieved from https://jurnalmekanikal.utm.my/index.php/jurnalmekanikal/article/view/338

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