synthesis, multinuclear nmr characterization and dynamic property of organic–inorganic hybrid electrolyte membrane based on alkoxysilane and poly(oxyalkylene) diamine合成、多核的核磁共振特性和动态特性的有机-无机杂化基于alkoxysilane电解质膜和聚氧化烯二胺.pdfVIP

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synthesis, multinuclear nmr characterization and dynamic property of organic–inorganic hybrid electrolyte membrane based on alkoxysilane and poly(oxyalkylene) diamine合成、多核的核磁共振特性和动态特性的有机-无机杂化基于alkoxysilane电解质膜和聚氧化烯二胺.pdf

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synthesis, multinuclear nmr characterization and dynamic property of organic–inorganic hybrid electrolyte membrane based on alkoxysilane and poly(oxyalkylene) diamine合成、多核的核磁共振特性和动态特性的有机-无机杂化基于alkoxysilane电解质膜和聚氧化烯二胺

Membranes 2012, 2, 253-274; doi:10.3390/membranes2020253 OPEN ACCESS membranes ISSN 2077-0375 /journal/membranes Article Synthesis, Multinuclear NMR Characterization and Dynamic Property of Organic–Inorganic Hybrid Electrolyte Membrane Based on Alkoxysilane and Poly(oxyalkylene) Diamine Diganta Saikia, Yu-Chi Pan and Hsien-Ming Kao * Department of Chemistry, National Central University, Chung-Li 32001, Taiwan; E-Mails: diganta_s@ (D.S.); yuchipan421@ (Y.-C.P.) * Author to whom correspondence should be addressed; E-Mail: hmkao@.tw; Tel.: +886-3-427-5054; Fax: +886-3-422-7664. Received: 27 April 2012; in revised form: 1 June 2012 / Accepted: 4 June 2012 / Published: 13 June 2012 Abstract: Organic–inorganic hybrid electrolyte membranes based on poly(propylene glycol)-block-poly(ethylene glycol)-block-poly(propylene glycol) bis(2-aminopropyl ether) complexed with LiClO4 via the co-condensation of tetraethoxysilane (TEOS) and 3-(triethoxysilyl)propyl isocyanate have been prepared and characterized. A variety of techniques such as differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) spectroscopy, alternating current (AC) impedance and solid-state nuclear magnetic resonance (NMR) spectroscopy are performed to elucidate the relationship between the structural and dynamic properties of the hybrid electrolyte and the ion mobility. A VTF (Vogel-Tamman-Fulcher)-like temperature dependence of ionic c