A direct borohydride–peroxide fuel cell using a Pd/Ir alloy coated microfibrous carbon cathode


Ponce de León, C., Walsh, F.C., Patrissi, C.J., Madeiros, M.G., Bessette, R.R., Reeve,, R.R, Lakeman, J.B., Rose, A. and Browning, D. (2008) A direct borohydride–peroxide fuel cell using a Pd/Ir alloy coated microfibrous carbon cathode Electrochemistry Communications, 10, pp. 1610-1613. (doi:10.1016/j.elecom.2008.08.006).

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Description/Abstract

A direct borohydride fuel cell with a Pd/Ir catalysed microfibrous carbon cathode and a gold-catalysed microporous carbon cloth anode is reported. The fuel and oxidant were NaBH4 and H2O2, at concentrations within the range of 0.1–2.0 mol dm-3 and 0.05–0.45 mol dm-3, respectively. Different combinations of these reactants were examined at 10, 25 and 42 oC. At constant current density between 0 and 113 mA cm-2, the Pd/Ir coated microfibrous carbon electrode proved more active for the reduction of peroxide ion than a platinised-carbon one. The maximum power density achieved was 78mWcm2 at a currentdensity of 71 mA cm-2 and a cell voltage of 1.09 V.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.elecom.2008.08.006
ISSNs: 1388-2481 (print)
Keywords: Au, borohydride, 3-dimensional carbon, FM01-LC fuel cell, H2O2, microfibrous, Pd/Ir
Subjects:
Organisations: Engineering Mats & Surface Engineerg Gp
ePrint ID: 63183
Date :
Date Event
16 July 2008Submitted
16 July 2008Accepted/In Press
Date Deposited: 17 Sep 2008
Last Modified: 16 Apr 2017 17:27
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/63183

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