March 22, 2006Advanced Materials251 citations
View Full PaperLayer‐by‐Layer Self‐Assembly of Composite Polyelectrolyte–Nafion Membranes for Direct Methanol Fuel Cells
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Abstract
A novel composite polyelectrolyte– Nafion membrane is demonstrated that is fabricated using the layer-by-layer self-assembly of oppositely charged polyelectrolytes. A direct methanol fuel cell based on such a membrane is shown to achieve a significant reduction in methanol crossover (see figure) and an increase in power density of 42 %, in comparison to that which uses a pristine Nafion membrane.