Shukla, A. K. ; Jackson, C. L. ; Scott, K. ; Raman, R. K. (2002) An improved-performance liquid-feed solid-polymer-electrolyte direct methanol fuel cell operating at near-ambient conditions Electrochimica Acta, 47 (21). pp. 3401-3407. ISSN 0013-4686
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0013-4686(02)00276-1
Abstract
Results on the performance of a 25 cm2 liquid-feed solid-polymer-electrolyte direct methanol fuel cell (SPE-DMFC), operating under near-ambient conditions, are reported. The SPE-DMFC can yield a maximum power density of c. 200 mW cm-2 at 90 ° C while operating with 1 M aqueous methanol and oxygen under ambient pressure. While operating the SPE-DMFC under similar conditions with air, a maximum power density of ca. 100 mW cm-2 is achieved. Analysis of the electrode reaction kinetics parameters on the methanol electrode suggests that the reaction mechanism for methanol oxidation remains invariant with temperature. Durability data on the SPE-DMFC at an operational current density of 100 mA cm-2 have also been obtained.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Direct Methanol Fuel Cell; Solid-polymer Electrolyte; Liquid-feed; Tafel Slope |
| ID Code: | 81837 |
| Deposited On: | 07 Feb 2012 11:40 |
| Last Modified: | 07 Feb 2012 11:40 |
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