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多磺化侧链型聚芳醚的合成及性能 被引量:4

Synthesis and Properties of Poly (aryl ether)s with Pendent Multi-sulfonic Acid Groups on Side Chain
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摘要 质子交换膜燃料电池(PEMFC)是一种高效、低污染的发电装置.与其它类型的燃料电池相比,具有比功率高、操作温度低、耐腐蚀性好和寿命长等优点.质子交换膜(PEM)的性能对燃料电池的性能起关键作用.目前商业化的PEM膜材料仍然是全氟磺酸材料(如Nafion),虽然其具有较好的稳定性和较高的质子传导率,但成本高,在低湿度或高温时的质子传导性较差,存在较高的甲醇渗透性等,阻碍了燃料电池的广泛应用. Poly(arylene ether ketone) carring multi-sulfonated side chain was prepared via graft polymerization reaction.The obtained soluble sulfonated polymer SP-Ⅰ and SP-Ⅱ have high viscosity(ηinh1.72 dL/g).The transparence and tough sulfonated polymer film was obtained by solution casting method and exhibited good thermochemical stability,high proton conductivity(〉0.90 S/cm) and good dimensional stability.
出处 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 2011年第5期1019-1021,共3页 Chemical Journal of Chinese Universities
基金 国家自然科学基金(批准号:51003038) 吉林大学平台建设基金(批准号:450060326072)资助
关键词 磺化聚芳醚酮 质子交换膜 燃料电池 Sulfonated poly(aryl ether ketone) Proton exchange membrane Fuel cell
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同被引文献34

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