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

被引:87
作者
de Leon, C. Ponce [1 ]
Walsh, F. C. [1 ]
Patrissi, C. J. [2 ]
Medeiros, M. G. [2 ]
Bessette, R. R. [2 ]
Reeve, R. W. [3 ]
Lakeman, J. B. [3 ]
Rose, A. [3 ]
Browning, D. [3 ]
机构
[1] Univ Southampton, Sch Engn Sci, Southampton SO17 1BJ, Hants, England
[2] USN, Undersea Warfare Ctr, Newport, RI 02841 USA
[3] Dept Phys Sci, Salisbury SP4 0JQ, Wilts, England
关键词
Au; Borohydride; 3-Dimensional carbon; FM01-LC; Fuel cell; H2O2; Microfibrous; Pd/Ir;
D O I
10.1016/j.elecom.2008.08.006
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
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 degrees C. 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 78 mW cm(-2) at a current density of 71 mA cm(-2) and a cell voltage of 1.09 V. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:1610 / 1613
页数:4
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