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Imidazole/(HPO3)(3)-doped sulfonated poly ( ether ether ketone) composite membrane for fuel cells

机译:咪唑/(HPO3)(3)掺杂的燃料电池磺化聚醚醚酮复合膜

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摘要

A novel gel of imidazole/(HPO3)(3) was synthesized and incorporated into sulfonated poly (ether ether ketone) (SPEEK) to fabricate composite proton exchange membranes. The composite membranes were characterized by alternating current impedance (AC), thermogravimetry (TG), differential scanning calorimetry (DSC), X-ray diffraction (XRD), scanning electron microscope (SEM) and mechanical property test. Based on the electrochemical performance investigation, the proton conductivity of the membrane is intimately correlated with the temperature and the mass ratio of imidazole/(HPO3)(3) in the composite. The SPEEK/imidazole/(HPO3)(3)-4 composite membrane (with 44.4 wt % of imidazole/(HPO3)(3)) has the optimized performance at 135 degrees C. Mover, the strength of the composite membranes is almost comparable to that of Nafion membrane. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41946.
机译:合成了一种新型的咪唑/(HPO3)(3)凝胶,并将其掺入磺化聚醚醚酮(SPEEK)中以制造复合质子交换膜。通过交流阻抗(AC),热重分析(TG),差示扫描量热法(DSC),X射线衍射(XRD),扫描电子显微镜(SEM)和力学性能测试对复合膜进行了表征。基于电化学性能研究,膜的质子电导率与温度和复合物中咪唑/(HPO3)(3)的质量比密切相关。 SPEEK /咪唑/(HPO3)(3)-4复合膜(含44.4 wt%的咪唑/(HPO3)(3))在135摄氏度下具有优化的性能。此外,复合膜的强度几乎可比与Nafion膜相同。 (c)2015 Wiley Periodicals,Inc. J. Appl。 Polym。科学2015,132,41946。

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