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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Kannan, R.
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Topics
Publications (6/6 displayed)
- 2023Operando neutron diffraction reveals mechanisms for controlled strain evolution in 3D printingcitations
- 2018Effect of Modified Nanoclay Composite on Blended PVDF/PEG Electrolyte Membranes for Fuel Cell Applicationscitations
- 2017Role of structural modifications of montmorillonite, electrical properties effect, physical behavior of nanocomposite proton conducting membranes for direct methanol fuel cell applicationscitations
- 2017Effect of target power on the physical properties of Ti thin films prepared by DC magnetron sputtering with supported dischargecitations
- 2016Facile synthesis and characterization of a reduced graphene oxide/halloysite nanotubes/hexagonal boron nitride (RGO/HNT/h-BN) hybrid nanocomposite and its potential application in hydrogen storagecitations
- 2014Effect of Substrate Bias Voltage on the Physical Properties of Zirconium Nitride (<font>ZrN</font>) Films Deposited by Mid Frequency Reactive Magnetron Sputteringcitations
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article
Role of structural modifications of montmorillonite, electrical properties effect, physical behavior of nanocomposite proton conducting membranes for direct methanol fuel cell applications
Abstract
<jats:title>Abstract</jats:title><jats:p>Proton exchange membranes have been synthesized from polyimide (PI) doped with different contents of montmorillonite (MMT) which was obtained by solution casting technique. The enhancement of conductivity was achieved through modification with the MMT. Prepared membranes were systematically characterized in terms of ion exchange capacity, water uptake, methanol uptake, swelling behavior and proton conductivity. Fourier transform infrared spectroscopy and X-ray diffraction measurements were used to confirm the structures of the PI/MMT composite electrolyte membranes. SEM surface morphological images of the composite membranes showed that the MMT nanoclay particles were dispersed uniformly within the membrane what was also reflected in XRD results which indicated a good compatibility of MMT particles with the polymer complex. The TGA spectra showed that the thermal stability of the membrane was reduced by adding MMT into the polymer network. The prepared membrane with 10 wt.% of modified MMT exhibited the highest proton conductivity value of 7.06 × 10<jats:sup>-2</jats:sup>S·cm<jats:sup>-1</jats:sup>at 70 °C. These results imply the potential application of the PI/MMT composite membranes as improved PEMs for DMFC applications.</jats:p>