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Polyaniline coated sulfonated TiO2 nanoparticles for effective application in proton conductive polymer membrane fuel cell

Elakkiya, S. and Arthanareeswaran, G. and Ismail, A. F. and Das, Diganta B. and Suganya, R. (2019) Polyaniline coated sulfonated TiO2 nanoparticles for effective application in proton conductive polymer membrane fuel cell. European Polymer Journal, 112 . pp. 696-703. ISSN 0014-3057

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Official URL: http://dx.doi.org/10.1016/j.eurpolymj.2018.10.036

Abstract

The sulfonated polyethersulfone (SPES) with modified TiO 2 proton exchange membrane performance for the fuel cell application was reported. TiO 2 nanoparticles investigated for the fuel cell performance were modified by sulfonation and surface coated using polyaniline (PANI). Fabricated membranes were analyzed in terms of water uptake, swelling ratio, methanol uptake, ion exchange capacity, chemical stability and thermal properties. Surface and structural properties of the membranes were characterized by Field Emission Scanning electron microscope (FESEM). To understand the interaction between polymer and nanoparticle, Fourier transform infrared (FTIR) and X-ray diffraction (XRD) characterization for the membranes were performed. Highest proton conductivity is 2.30 × 10 −4 S/cm with SPES/STiO 2 –PANI (0.5%) composite membrane. The presence of modified TiO 2 with amine group of PANI and sulfonic acid group were the main factors for the highest conductivity value. The composite membrane with modified TiO 2 shows excellent chemical stability and thermal properties. Thus, the composite membrane incorporated with STiO 2 –PANI is a promising proton conducting material for fuel cell application.

Item Type:Article
Uncontrolled Keywords:proton exchange membrane, sulfonated polyethersulfone
Subjects:T Technology > TP Chemical technology
Divisions:Chemical and Energy Engineering
ID Code:88648
Deposited By: Yanti Mohd Shah
Deposited On:15 Dec 2020 18:36
Last Modified:15 Dec 2020 18:36

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