Synthesis and property of sulfonated poly (ether ether ketone) membrane for proton exchange fuel cell

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State Key Laboratory of Advanced Technology for Materials Synthesis and Progressing, Wuhan University of Technology, Wuhan 430070, China [1 ]
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Wuhan Ligong Daxue Xuebao | 2006年 / SUPPL. 2卷 / 605-608期
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Sulfonated poly (ether ether ketone) (SPEEK) membranes with various degrees of sulfonation (DS) were prepared with H2SO4 as sulfonating agent. It was found that the SPEEK membranes have promising mechanical strength and perfect proton conductivity. For 86% DS, proton conductivity was 5.5 × 10-3 S/cm; and the max mechanical strength was 45.9 MPa.
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