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Controlled sulfonation of poly(ether sulfone) using phthalic anhydride as catalyst and its membrane performance for fuel cell application
2016
Carbon-Sci. Tech
unpublished
Proton exchange membrane (PEM) fuel cells are one of the most emerging alternative energy technologies under development. A novel proton exchange membrane sulfonated polyethersulfone (SPES) was developed by homogeneous method using phthalic anhydride as catalyst and chlorosulfonic acid as sulfonating agent to control the sulfonation reaction. The method of sulfonation was optimized by varying the reaction time and concentration of the catalyst. The structure of the SPES was studied by 1
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