Synthesis, Characterization and Fuel Cell Application of Polyimides

被引：2

作者：

Lee, Minju ^{[3
]}

Khan, Sher B. ^{[1
,2
]}

Seo, Kwangwon ^{[3
]}

Lee, Jin-Woo ^{[3
]}

Akhtar, Kalsoom ^{[4
,5
]}

Han, Haksoo ^{[3
]}

Asiri, Abdullah M. ^{[1
,2
]}

机构：

[1] King Abdulaziz Univ, Fac Sci, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia

[2] King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21589, Saudi Arabia

[3] Yonsei Univ, Dept Chem & Biomol Engn, Seoul 120749, South Korea

[4] Ewha Womans Univ, Dept Chem, Seoul 120750, South Korea

[5] Ewha Womans Univ, Div Nano Sci, Seoul 120750, South Korea

来源：

LETTERS IN ORGANIC CHEMISTRY | 2012年 / 9卷 / 09期

基金：

新加坡国家研究基金会;

关键词：

Dielectrics; polymers; proton conductivity; thermal properties; WATER SORPTION PROPERTIES; THIN-FILMS; INTERNAL LINKAGES; SILICA; CONDUCTIVITY; MEMBRANES; COMPONENT; COATINGS;

D O I：

10.2174/157017812803521090

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Proton conducting polyimides containing pendant benzimidazole groups have been synthesized by different ratios of 5-(1H-benzimidazol-2-yl)-benzene-1-3-diamine (DABI) and oxydianiline (ODA) in the presence of oxydianiline (ODPA). All the polymers were structurally characterized by Fourier transform infrared (FT-IR) spectroscopy while the thermal properties were studied by thermal gravimetric analysis (TGA) and differential scanning calorimetry (DSC). From application point of view, proton conductivity of all polymers doped with phosphoric acid was studied by impedance analyzer. All the polymers have been found to be thermally stable with high dielectric constants and are proton conductive. The polymer with highest DABI value showed highest conductivity (max 0.11 S/CM).

引用

页码：655 / 659

页数：5

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