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Elsevier, Polymer, 12(52), p. 2584-2593

DOI: 10.1016/j.polymer.2011.03.056

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Role Of Water States On Water Uptake And Proton Transport In Nafion Using Molecular Simulations And Bimodal Network

Journal article published in 2011 by Gi Suk Hwang, Massoud Kaviany, Jeffrey T. Gostick ORCID, Brian Kientiz, Adam Z. Weber, Hwan Moo Kim, Moo Hwan Kim
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This paper is available in a repository.

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Abstract

a b s t r a c t Using molecular simulations and a bimodal-domain network, the role of water state on Nafion water uptake and water and proton transport is investigated. Although the smaller domains provide moderate transport pathways, their effectiveness remains low due to strong, resistive water molecules/domain surface interactions. The water occupancy of the larger domains yields bulk-like water, and causes the observed transition in the water uptake and significant increases in transport properties.