期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 46, 期 45, 页码 23463-23479出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.10.258
关键词
Fuel cell; Computational fluid dynamics; Saudi Arabia; Optimization
The study focused on the performance of an air breathing fuel cell in Riyadh, Saudi Arabia, showing peak performance during the summer period, with hydrogen humidification significantly improving output performance.
A key parameter that determines the efficiency of proton exchange membrane fuel cells is their operating conditions. Optimization of various components in these fuel cells is pivotal in improving cell performance, as their performance is directly related to the operational conditions the cells are subjected to. This investigation examined the viability of an air breathing fuel cell subjected to ambient conditions in Riyadh in Saudi Arabia. A validated three-dimensional air breathing 5-cell stack, modelled in ANSYS was utilised to generate the results. Furthermore, the work also considered the feasibility of deploying a humidifier unit for the hydrogen inlet, so as to ascertain the physical behaviour of the PEMFC stack. It was observed that the performance of the stack reaches its peak during the summer time (June-August), and hydrogen humidification improves output performance by 40%. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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