Journal
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
Volume 56, Issue 15, Pages 1695-1703Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/03602559.2017.1289398
Keywords
Methanol permeability; PEM; proton conductivity; S-PSF; S-GO membrane
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Funding
- Conductive and Electroactive Polymers Research Unit
- CU-2nd Century Grant of Chulalongkorn University
- Thailand Research Fund
- Royal Thai Government
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Novel proton exchange membranes consisting of an inorganic filler, namely sulfonated graphene oxide, embedded in sulfonated polysulfone were fabricated. The membrane performance depended on the sulfonated graphene oxide content possessed the functional groups to provide the interfacial interaction with sulfonated polysulfone through ionic channels and blocking effect. The membrane with 3% v/v sulfonated graphene oxide content embedded in the matrix was shown to be suitable for direct methanol fuel cell applications. The membrane exhibited the highest proton conductivity of 4.27x10(-3) S cm(-1) which was higher than that of Nafion117. Moreover, the membrane provided the lowest methanol permeability of 3.48x10(-7)cm(2)/s which was lower than that of Nafion117. [GRAPHICS] .
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