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EnglishSolid polymer electrolytes comprising poly (vinylidene fluoride-hexafluoro propylene)(PVDF-HFP), Poly (methyl methacrylate)-grafted natural rubber (MG49) and lithium salt (LiBF4) were prepared by solution casting technique. The membranes were characterized by impedance spectroscopy (EIS), fourier transform infrared spectroscopy (FTIR), x-ray diffraction (XRD) and scanning electron microscopy (SEM). The electrolyte exhibited the highest room temperature conductivity 2.8× 10ˉ 4 S cm-1 at 30 wt.% of LiBF4. The conductivity increases with temperature but it does not obey Arrhenius rule. The interaction between lithium ions and polymer host was confirmed by fourier transform infrared spectroscopy. The XRD result confirmed that adding salt led to decrease the degree of crystallinity. The SEM studies showed that the morphology improved in the presence of the salt.
Preparation and characterization of PVDF-HFP/MG49 based polymer blend electrolyte / Ataollahi, N; Ahmad, A; Hamzah, H; Rahman, Mya; Mohamed, Ns. - In: INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE. - ISSN 1452-3981. - 2012:8(2012), pp. 6693-6703.
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| Titolo: | Preparation and characterization of PVDF-HFP/MG49 based polymer blend electrolyte | |
| Autori: | Ataollahi, N; Ahmad, A; Hamzah, H; Rahman, Mya; Mohamed, Ns | |
| Autori Unitn: | ||
| Titolo del periodico: | INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | |
| Anno di pubblicazione: | 2012 | |
| Numero e parte del fascicolo: | 8 | |
| Codice identificativo Scopus: | 2-s2.0-84865092903 | |
| Codice identificativo WOS: | WOS:000307980800010 | |
| Handle: | http://hdl.handle.net/11572/348877 | |
| Citazione: | Preparation and characterization of PVDF-HFP/MG49 based polymer blend electrolyte / Ataollahi, N; Ahmad, A; Hamzah, H; Rahman, Mya; Mohamed, Ns. - In: INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE. - ISSN 1452-3981. - 2012:8(2012), pp. 6693-6703. | |
| Appare nelle tipologie: | 03.1 Articolo su rivista (Journal article) |
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