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Single Cell Performance of Catalyst Coated Membrane Based on Superthin Proton Exchange Membrane

[+] Author Affiliations
Shichun Mu, Niancai Cheng, Pei Zhao, Lei Cheng, Mu Pan, Runzhang Yuan

Wuhan University of Technology, Wuhan, China

Paper No. FUELCELL2006-97192, pp. 329-331; 3 pages
  • ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology
  • ASME 2006 Fourth International Conference on Fuel Cell Science, Engineering and Technology, Parts A and B
  • Irvine, California, USA, June 19–21, 2006
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4247-9 | eISBN: 0-7918-3780-7
  • Copyright © 2006 by ASME


The superthin PEM (≤ 30 μm in thickness) can be used in CCMs (Catalyst coated membranes) and helpful to lower the cost of fuel cells. In this paper, the CCM based on Nafion NRE® 211 membrane (thickness ∼25 μm) was prepared and assembled into a single fuel cell. The activation time, the V-I curves and the voltage vs time plot were used to characterize the performance of CCMs under variuos hydrogen/air humidifying conditions at ambient pressure. The experimental results showed that the fuel cell with CCMs based on NRE® 211 membrane had a shorter activation time and higher performance under humidifying conditions compared to that based on nafion NRE® 212 membrane (thickness ∼50 μm). However, it’s important to remove water from anode in order to maintain a stable performance of fuel cell. Moreover, the performance of the single fuel cell using superthin membranes could be improved at a high current density under non-humidifying conditions.

Copyright © 2006 by ASME



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