Exfoliated Sulfonated Poly(arylene ether sulfone)–Clay Nanocomposites

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Abstract

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Exfoliated sulfonated poly(arylene sulfone) (sPAS)–laponite clay nanocomposites showed improved mechanical strength and methanol permeability, while maintaining high proton conductivities. Direct methanol fuel cells (DMFCs) containing laponite-sPAS membranes showed a performance equal or superior to Nafion-based fuell cells.

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