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|Title:||Alkaline anion-exchange polymer membrane with grid-plug microstructure for hydrogen fuel cell application|
|Source:||Zhang, X., Tay, S.W., Liu, Z., Hong, L. (2011-07-01). Alkaline anion-exchange polymer membrane with grid-plug microstructure for hydrogen fuel cell application. Journal of Power Sources 196 (13) : 5494-5498. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jpowsour.2010.12.110|
|Abstract:||Porous polysulfone membrane, prepared by a phase-inversion technique, is filled with (3-acrylamidopropyl)trimethylammonium chloride and N,N′-methylenebisacrylamide via interfacial diffusion. The impregnated membrane is then subjected to UV-irradiation for polymerizing monomers that are entrapped in pore channels of the membrane. This in-situ polymerization engenders a grid-plug microstructure, where the grid is polysulfone and the plugs are an ion (OH-) conducting phase. As the plugs are extensively interconnected and non-tortuous throughout the membrane matrix, the ion-conducting phase sustains a power density as high as 55 mW cm-2 at 60 °C. Thermal analysis indicates that the pore-filling condition affects the packing density of the plugs that in turn, impacts on ion transport flux. © 2011 Elsevier B.V. All rights reserved.|
|Source Title:||Journal of Power Sources|
|Appears in Collections:||Staff Publications|
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