Formic acid microfluidic fuel cell evaluation in different oxidant conditions

This paper presents the electrochemical evaluation from polarization curves of a microfluidic fuel cell that uses formic acid as fuel and different oxidants (dissolved oxygen, air and hydrogen peroxide), concentrations of fuel and flow rates. The micro-device was constructed by UV-lithography techni...

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Bibliographic Details
Published in:Electrochimica acta 2013-03, Vol.92, p.31-35
Main Authors: Déctor, A., Esquivel, J.P., González, M.J., Guerra-Balcázar, M., Ledesma-García, J., Sabaté, N., Arriaga, L.G.
Format: Article
Language:English
Subjects:
Air
Dissolution
Dissolved oxygen
Flow rate
Formic acid
Formic acid electrooxidation
Fuel cells
Fuels
Hydrogen peroxide
Microfluidics
Microfluidics fuel cells
Oxidants
Oxidizing agents
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Summary:This paper presents the electrochemical evaluation from polarization curves of a microfluidic fuel cell that uses formic acid as fuel and different oxidants (dissolved oxygen, air and hydrogen peroxide), concentrations of fuel and flow rates. The micro-device was constructed by UV-lithography technique and the electrocatalysts consisted in commercial Pd/XC-72 and Pt/C for anode and cathode respectively. The maximum power density achieved was 6.7mWcm−2 at 0.5V using 0.5M HCOOH and dissolved oxygen at 600μLmin−1.
ISSN:0013-4686
1873-3859
DOI:10.1016/j.electacta.2012.12.134