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غشا کامپوزیتی برای غشای عبور پروتون پیل های سوختی بر اساس کوپلیمر متیل متا کریلات-مالایمید/ فسفوتنگستیک اسید | ||
| شیمى کاربردى روز | ||
| مقاله 7، دوره 13، شماره 49، دی 1397، صفحه 65-78 اصل مقاله (1.04 M) | ||
| نوع مقاله: مقاله علمی پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22075/chem.2018.13499.1311 | ||
| نویسندگان | ||
| زهرا سیدزاده1؛ فریبرز اتابکی* 1؛ نگین قائمی2؛ محمد نصیری3 | ||
| 1دانشگاه صنعتی مالک اشتر | ||
| 2دانشگاه صنعتی کرمانشاه | ||
| 3استادیار دانشگاه مالک اشتر | ||
| تاریخ دریافت: 11 دی 1396، تاریخ بازنگری: 18 فروردین 1397، تاریخ پذیرش: 05 مهر 1397 | ||
| چکیده | ||
| Poly(methyl methacrylate-co-nitrophenyl maleimide) (MMA-co-NMI) and poly(methyl methacrylate-co-hydroxyphenyl maleimide) (MMA-co-HMI) copolymers were synthesized using free radical polymerization of MMA with a new MI monomer containing phenyl and –NO2 groups. Proton exchange membrane fuel cell(PEMFC) were prepared using these copolymers as membrane matrix and phosphotungstic acid (PWA) as proton conductive additive. Dry-phase inversion method was employed to fabricate membranes with different concentrations of copolymers and PWA. Characteristics and proton conductivity of membranes were investigated using FTIR, SEM, TGA, DTG, DSC, ion exchange capacity, water uptake, and proton conductivity tests. Results revealed an increment in the thermal stability as well as ion exchange capacity of composite membranes prepared by addition of PWA. Moreover, applying MMA-co-HMI as copolymer and PWA as additive remarkably improved the proton conductivity of membrane (2.6×10−1 S.cm−1) due to the interaction between the functional groups of PWA (H3O+ ions, O atoms) and MMA-co-HMI copolymer (OH, C=O functional groups). | ||
| کلیدواژه‌ها | ||
| proton exchange؛ membranes؛ fuel cell؛ Copolymer؛ Phosphotungstic acid | ||
| عنوان مقاله [English] | ||
| Composite membranes for proton exchange membrane fuel cells based on methyl methacrylate-co-maleimide /phosphotungstic acid | ||
| نویسندگان [English] | ||
| zahra seidzadeh1؛ Fariborz Atabaki1؛ negin Ghaemi2؛ Mohammad Nasiri3 | ||
| 1Department of Chemistry, Malek-ashtar University of Technology, Shahin-shahr, 83145/115 I. R., Iran | ||
| 2Department of Chemical Engineering, Kermanshah University of Technology, 67178 Kermanshah, Iran | ||
| 3Department of Chemistry, Malek-ashtar University of Technology, Shahin-shahr, 83145/115 I. R., Iran | ||
| چکیده [English] | ||
| Poly(methyl methacrylate-co-nitrophenyl maleimide) (MMA-co-NMI) and poly(methyl methacrylate-co-hydroxyphenyl maleimide) (MMA-co-HMI) copolymers were synthesized using free radical polymerization of MMA with a new MI monomer containing phenyl and –NO2 groups. Proton exchange membrane fuel cell(PEMFC) were prepared using these copolymers as membrane matrix and phosphotungstic acid (PWA) as proton conductive additive. Dry-phase inversion method was employed to fabricate membranes with different concentrations of copolymers and PWA. Characteristics and proton conductivity of membranes were investigated using FTIR, SEM, TGA, DTG, DSC, ion exchange capacity, water uptake, and proton conductivity tests. Results revealed an increment in the thermal stability as well as ion exchange capacity of composite membranes prepared by addition of PWA. Moreover, applying MMA-co-HMI as copolymer and PWA as additive remarkably improved the proton conductivity of membrane (2.6×10−1 S.cm−1) due to the interaction between the functional groups of PWA (H3O+ ions, O atoms) and MMA-co-HMI copolymer (OH, C=O functional groups). | ||
| کلیدواژه‌ها [English] | ||
| proton exchange, membranes, fuel cell, Copolymer, Phosphotungstic acid | ||
| مراجع | ||
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