Composite Polyphosphazene Membranes Doped with Phosphotungstic Acid and Silica

Feng-yan Fu Hu-lin Xu Min-lan He Yan Dong Peng Liu Xin Hao Chang-jin Zhu

Citation:  Feng-yan Fu, Hu-lin Xu, Min-lan He, Yan Dong, Peng Liu, Xin Hao, Chang-jin Zhu. Composite Polyphosphazene Membranes Doped with Phosphotungstic Acid and Silica[J]. Chinese Journal of Polymer Science, 2014, 32(8): 996-1002. doi: 10.1007/s10118-014-1459-0 shu

Composite Polyphosphazene Membranes Doped with Phosphotungstic Acid and Silica

摘要: Poly(bis(phenoxy)phosphazene) (SPBPP)/phosphotungstic acid (PWA)/silica composite membranes for fuel cells were prepared. The composite membranes were characterized by using FTIR, TGA and SEM techniquies. Incorporation of PWA particles and silica particles into the SPBPP polymer matrix and a specific interaction between them were confirmed by FTIR spectra. TGA results showed that the composite membranes had high thermal stability. Homogeneous distribution of PWA and silica particles within the SPBPP matrix was verified by SEM micrographs. The doped membranes showed increased water uptake and proton conductivity.

English


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  • 发布日期:  2014-08-05
  • 收稿日期:  2013-11-11
  • 修回日期:  2014-01-21
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