Novel, Fluorine-Free Membranes Based on Sulfonated Polyvinyl Alcohol and Poly(ether-block-amide) with Sulfonated Montmorillonite Nanofiller for PEMFC Applications
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Al-Mashhadani, Manhal H. Ibrahim
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Inst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, Hungary
Eotv Lorand Univ, Hevesy Gyorgy Doctoral Sch Chem, Pazmany Peter Setany 1-A, H-1117 Budapest, Hungary
Univ Baghdad, Inst Laser Postgrad Studies, Baghdad, IraqInst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, Hungary
Al-Mashhadani, Manhal H. Ibrahim
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Szijjarto, Gabor Pal
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Inst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, HungaryInst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, Hungary
Szijjarto, Gabor Pal
[1
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Sebestyen, Zoltan
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Inst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, HungaryInst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, Hungary
Sebestyen, Zoltan
[1
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Karoly, Zoltan
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Inst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, HungaryInst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, Hungary
Karoly, Zoltan
[1
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Mihaly, Judith
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Inst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, HungaryInst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, Hungary
Mihaly, Judith
[1
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Tompos, Andras
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Inst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, HungaryInst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, Hungary
Tompos, Andras
[1
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机构:
[1] Inst Mat & Environm Chem, HUN REN Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, Hungary
[2] Eotv Lorand Univ, Hevesy Gyorgy Doctoral Sch Chem, Pazmany Peter Setany 1-A, H-1117 Budapest, Hungary
Novel blend membranes containing S-PVA and PEBAX 1657 with a blend ratio of 8:2 (referred to as SPP) were prepared using a solution-casting technique. In the manufacturing process, sulfonated montmorillonite (S-MMT) in ratios of 0%, 3%, 5%, and 7% was used as a filler. The crystallinity of composite membranes has been investigated by X-ray diffraction (XRD), while the interaction between the components was evaluated using Fourier-transform infrared spectroscopy (FT-IR). With increasing filler content, good compatibility between the components due to hydrogen bonds was established, which ultimately resulted in improved tensile strength and chemical stability. In addition, due to the sulfonated moieties of S-MMT, the highest ion exchange capacity (0.46 meq/g) and water uptake (51.61%) can be achieved at the highest filler content with an acceptable swelling degree of 22.65%. The composite membrane with 7% S-MMT appears to be suitable for application in proton exchange membrane fuel cells (PEMFCs). Amongst the membranes studied, this membrane achieved the highest current density and power density in fuel cell tests, which were 149.5 mA/cm2 and 49.51 mW/cm2. Our fluorine-free composite membranes can become a promising new membrane family in PEMFC applications, offering an alternative to Nafion membranes.
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CNR, Inst Membrane Technol ITM, Via P Bucci 17-C, I-87036 Arcavacata Di Rende, ItalyCNR, Inst Membrane Technol ITM, Via P Bucci 17-C, I-87036 Arcavacata Di Rende, Italy
Clarizia, Gabriele
Bernardo, Paola
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CNR, Inst Membrane Technol ITM, Via P Bucci 17-C, I-87036 Arcavacata Di Rende, ItalyCNR, Inst Membrane Technol ITM, Via P Bucci 17-C, I-87036 Arcavacata Di Rende, Italy
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SINOPEC Beijing Res Inst Chem Ind, Beijing 100013, Peoples R ChinaJilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China
Zhang, Yang
Zhao, Chengji
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Jilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R ChinaJilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China
Zhao, Chengji
Yan, Hao
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SINOPEC Beijing Res Inst Chem Ind, Beijing 100013, Peoples R ChinaJilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China
Yan, Hao
Pan, Guoyuan
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SINOPEC Beijing Res Inst Chem Ind, Beijing 100013, Peoples R ChinaJilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China
Pan, Guoyuan
Guo, Min
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SINOPEC Beijing Res Inst Chem Ind, Beijing 100013, Peoples R ChinaJilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China
Guo, Min
Na, Hui
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Jilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R ChinaJilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China
Na, Hui
Liu, Yiqun
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SINOPEC Beijing Res Inst Chem Ind, Beijing 100013, Peoples R ChinaJilin Univ, Coll Chem, Alan G MacDiarmid Inst, Changchun 130012, Peoples R China