Recent developments in borohydride fuel cell cells
Ponce de Leon, Carlos, Walsh, Frank C., Bessette, Russell R, Patrissi, Charles J., Medeiros, Maria G., Rose, Abigail, Browning, Darren, Lakeman, John B and Reeve, Robert W. (2009) Recent developments in borohydride fuel cell cells. Electrochemical Transactions, 15, (1), 25-49. (doi:10.1149/1.3046618).
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Developments in direct borohydride fuel cells (DBFC) are considered together with electrolyte stability and the choice of membrane and electrode materials. The cyclic voltammetry of borohydride oxidation was studied at three electrodes: a) gold on carbon, Au/C, b) gold on titanate nanotubes, Au/TiN and (c) gold foil. Similar currents were observed from the three electrodes. A DBFC in a single, 2- and 4-bipolar cell configuration with Au/C anode and Pt/C cathode produced 2.2, 3.2 and 9.6 W showed cell voltages of 1.06, 0.81 and 3 V, respectively. In another single cell, the reduction of peroxide on a Pd/Ir coated microfibrous carbon cathode was catalytically more active than a platinised-carbon one. The maximum power density achieved was 78 mW cm-2 at a cell voltage of 1.09 V. The need for further research is highlighted, particularly into new electrocatalyst materials
|Digital Object Identifier (DOI):||doi:10.1149/1.3046618|
|Additional Information:||23rd Meeting of The Mexican Electrochemical Society and 1st Meeting of the Mexican Section of the Electrochemical Society, 06 Jun 2008, Ensenada, Mexico|
|Subjects:||T Technology > TP Chemical technology
Q Science > QD Chemistry
|Divisions :||University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
|Accepted Date and Publication Date:||
|Date Deposited:||09 Dec 2009|
|Last Modified:||31 Mar 2016 12:47|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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