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Effect of sulfated metal oxides on the performance and stability of sulfonated poly (ether ether ketone) nanocomposite proton exchange membrane for fuel cell applications
Reactive & Functional Polymers ( IF 5.1 ) Pub Date : 2020-09-10 , DOI: 10.1016/j.reactfunctpolym.2020.104732
Somayeh Sarirchi , Soosan Rowshanzamir , Foad Mehri

In order to simultaneously improve the durability and performance of sulfonated poly (ether ether ketone) (SPEEK), series of hybrid membranes were prepared by doping an optimized amount of sulfated titania and sulfated zirconia-titania into the SPEEK matrix. The nanoparticles were synthesized using the sol-gel method and specified using XRD and EDS analysis. The solution casting method was used to prepare the membranes. Membrane characterization was performed through structural, morphological, thermochemical, and mechanical tests. The physicochemical characterization revealed that nanocomposite membranes are significantly improved compared with plain SPEEK. The single-cell performance test of nanocomposite based MEA record the power density peaks of 500mW cm−2 at 120°C and RH = 80%. Accordingly, sulfated metal oxide nanocomposite SPEEK-based membranes are promising alternative polymer electrolyte membranes for fuel cell applications.



中文翻译:

硫酸金属氧化物对磺化聚醚醚酮纳米复合质子交换膜在燃料电池中性能和稳定性的影响

为了同时提高磺化聚醚醚酮(SPEEK)的耐久性和性能,通过将最适量的硫酸化二氧化钛和硫酸化氧化锆-二氧化钛掺杂到SPEEK基体中,制备了一系列杂化膜。使用溶胶-凝胶法合成纳米颗粒,并使用XRD和EDS分析进行指定。溶液流延法用于制备膜。通过结构,形态,热化学和机械测试对膜进行表征。理化特性表明,与普通SPEEK相比,纳米复合膜得到了显着改善。基于纳米复合材料的MEA的单电池性能测试记录了120° C下500mW cm -2的功率密度峰值RH = 80%。因此,基于硫酸盐金属氧化物纳米复合材料的SPEEK的膜有望用于燃料电池应用的聚合物电解质膜。

更新日期:2020-09-18
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