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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received October 13, 2008
Accepted December 4, 2008
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Effects of curing condition of solution cast Nafion® membranes on PEMFC performance

Fuel Cell Research Center, Korea Institute of Science and Technology, 39-1 Hawolgok-dong, Sungbuk-gu, Seoul 136-791, Korea
eacho@kist.re.kr
Korean Journal of Chemical Engineering, May 2009, 26(3), 679-684(6), 10.1007/s11814-009-0113-y
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Abstract

To study the feasibility of applying solution-cast membranes to polymer electrolyte membrane fuel cells (PEMFCs), single cells prepared with solution-cast membranes were tested. The solution cast membranes were fabricated from a commercial Nafion solution under various conditions. Effects of annealing temperature on characteristics of the solution-cast membranes were investigated by measuring water uptake and ionic conductivity of the membranes._x000D_ Performance of the single cells using the prepared solution cast membranes was evaluated in terms of i-V curves, Nyquist plots, and H2 crossover current density. Based on the results, solution-cast membranes were fabricated by being cured at 150 ℃ for different hours to examine effects of curing time on cell performance. Finally, durability of solutioncast membranes was investigated with operating the single cells for 1,000 hr.

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