E3S Web Conf.
Volume 90, 20197th Conference on Emerging Energy and Process Technology (CONCEPT 2018)
|Number of page(s)||10|
|Published online||02 April 2019|
Efforts to Improve PBI/Acid Membrane System for High Temperature Polymer Electrolyte Membrane Fuel Cell (HT-PEMFC)
1 Center of Hydrogen Energy, Institute of Future Energy, Universiti Teknologi Malaysia, Malaysia
2 Malaysia-Japan International Campus, Universiti Teknologi Malaysia, Malaysia
3 Department of Chemical Engineering, Universiti Teknologi Malaysia, Johor Bahru, Malaysia
4 Chemical Engineering Department, Universiti Teknologi Petronas, Perak, Malaysia
* Corresponding author: email@example.com
The global expansion of industry and technology has brought various environmental issues especially in atmospheric pollution and global warming. These resulted in various R&D activities on renewable energy resources and devices. Developing high temperature polymer electrolyte membrane fuel cell (HT-PEMFC) is one of them. Over the past decades, this research has been received the most attention for various stationary and transportation applications. This is due to inherent advantages of operation above 100 °C including improved tolerance toward CO poisoning, enhanced electrode kinetics, easier heat dissipation and water management as well as better thermodynamic quality of the produced heat. Poly (benzimidazoles)-phosphoric acid (PBI/PA) is the well-established membrane for HT-PEMFC applications replacing perfluorinated sulfonic acid (PFSA) membranes, which operate in the temperature range of below 100 °C. Nevertheless, there have been concerns on the durability and stability of such PEMFC, which negatively affected their widespread commercialization. In this paper, problems regarding this acid-base complex membrane system and modifications as well as some techniques used to overcome these issues will be outlined.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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