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Article

Effect of Gas Diffusion Layer Thickness on the Performance of Anion Exchange Membrane Fuel Cells

1
School of Engineering and Technology, Tra Vinh University, Tra Vinh 87000, Vietnam
2
Graduate Institute of Precision Engineering, National Chung Hsing University, 145 Xingda Road, South District, Taichung City 402, Taiwan
3
Innovation and Development Center of Sustainable Agriculture (IDCSA), National Chung Hsing University, Taichung City 402, Taiwan
*
Authors to whom correspondence should be addressed.
Academic Editor: Alessandro D’Adamo
Processes 2021, 9(4), 718; https://doi.org/10.3390/pr9040718
Received: 18 March 2021 / Revised: 4 April 2021 / Accepted: 15 April 2021 / Published: 19 April 2021
(This article belongs to the Special Issue Experimental Analysis and Numerical Simulation of Fuel Cells)
Gas diffusion layers (GDLs) play a critical role in anion exchange membrane fuel cell (AEMFC) water management. In this work, the effect of GDL thickness on the cell performance of the AEMFC was experimentally investigated. Three GDLs with different thicknesses of 120, 260, and 310 µm (denoted as GDL-120, GDL-260, and GDL-310, respectively) were prepared and tested in a single H2/O2 AEMFC. The experimental results showed that the GDL-260 employed in both anode and cathode electrodes exhibited the best cell performance. There was a small difference in cell performance for GDL-260 and GDL-310, while water flooding was observed in the case of using GDL-120 operated at current densities greater than 1100 mA cm−2. In addition, it was found that the GDL thickness had more sensitivity to the AEMFC performance as used in the anode electrode rather than in the cathode electrode, indicating that water removal at the anode was more challenging than water supply at the cathode. The strategy of water management in the anode should be different from that in the cathode. These findings can provide a further understanding of the role of GDLs in the water management of AEMFCs. View Full-Text
Keywords: anion exchange membrane fuel cell; gas diffusion layer; GDL thickness; fuel cell performance anion exchange membrane fuel cell; gas diffusion layer; GDL thickness; fuel cell performance
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MDPI and ACS Style

Truong, V.M.; Duong, N.B.; Yang, H. Effect of Gas Diffusion Layer Thickness on the Performance of Anion Exchange Membrane Fuel Cells. Processes 2021, 9, 718. https://doi.org/10.3390/pr9040718

AMA Style

Truong VM, Duong NB, Yang H. Effect of Gas Diffusion Layer Thickness on the Performance of Anion Exchange Membrane Fuel Cells. Processes. 2021; 9(4):718. https://doi.org/10.3390/pr9040718

Chicago/Turabian Style

Truong, Van M., Ngoc B. Duong, and Hsiharng Yang. 2021. "Effect of Gas Diffusion Layer Thickness on the Performance of Anion Exchange Membrane Fuel Cells" Processes 9, no. 4: 718. https://doi.org/10.3390/pr9040718

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