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Lookup NU author(s): Professor Ashok Shukla,
Emeritus Professor Keith Scott
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Results on the performance of a 25 cm(2) 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.
Author(s): Scott K; Jackson CL; Shukla AK; Raman RK
Publication type: Article
Publication status: Published
Journal: Electrochimica Acta
ISSN (print): 0013-4686
ISSN (electronic): 1873-3859
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