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(a) Methanol crossover flux for Nafion® 117, CSPVA blend, CS-PVA-SPES (5–25 wt %) mixed-matrix membranes and (b) proton conductivity vs. temperature for Nafion®117, CS-PVA blend, and CS-PVA-SPES (5–25 wt %) mixed matrix membranes. Reproduced with permission from [89]. Copyright Wiley, 2012.
