Surface-modified fibrous membranes for fuel cell application
Nor Fadzil, Noor Fatina Emelin, Abouzari-Lotf, Ebrahim, Jacob, Mohan V., Che Jusoh, Nurfatehah Wahyuny, and Ahmad, Arshad (2019) Surface-modified fibrous membranes for fuel cell application. In: E3S Web of Conferences (90) 01005. From: CONCEPT 2018: 7th Conference on Emerging Energy and Process Technology, 27-28 November 2018, Johor Bahru, Malaysia.
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Abstract
Low permeability layers of poly(1-vinylimidazole) were polymerised and deposited onto both sides of electrospun polyethersulfone (PES) nanofibrous sheet radiofrequency plasma. The layers not only act as an efficient fuel barrier layer but also impart high and stable proton conductivity, as well as better chemical and dimensional stabilities. Typically, the composite membrane exhibited methanol permeability as low as 33.20 x 10-8 cm2 s-1 and high through-plane proton conductivity of 52.4 mS cm-1 at 95% RH, indicating membrane selectivity of 0.675 x 108 mS.s cm-3, which is approximately 33 times greater than the selectivity of N115 under similar conditions.
| Item ID: | 61845 |
|---|---|
| Item Type: | Conference Item (Research - E1) |
| ISSN: | 2267-1242 |
| Keywords: | Composite membranes, Electrospun nanofibres, Plasma, Poly(1-vinyl imidazole), Proton transfer |
| Copyright Information: | © The Authors, published by EDP Sciences, 2019. This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/). |
| Funders: | Innovative Research Universities of Australia and Malaysia Research University Network (IRU-MRUN) |
| Projects and Grants: | IRU-MRUN #00M84, IRU-MRUN #00M84No. 4C116 |
| Date Deposited: | 03 Jun 2020 03:13 |
| FoR Codes: | 40 ENGINEERING > 4016 Materials engineering > 401602 Composite and hybrid materials @ 100% |
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