Obeisun, OA;
Meyer, Q;
Robinson, J;
Gibbs, CW;
Kucernak, AR;
Shearing, P;
Brett, DJL;
(2014)
Advanced diagnostics applied to a self-breathing fuel cell.
ECS Transactions
, 61
(27)
pp. 249-258.
10.1149/06127.0249ecst.
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Abstract
In a self-breathing fuel cell, oxygen is taken directly from ambient air which provides the benefit of reduced system complexity and system operation. This study explores the use of, printed circuit boards (PCBs) as flow field plates to design a self-breathing fuel cell which helps reduce overall volume and cost of the system. It investigates the effect opening ratios have on fuel cell performance using polarization curves and electrochemical impedance spectroscopy. The result obtained indicates that greater opening ratios improve the mass transport properties of the fuel cell but increased Ohmic resistance as a result of the increased openings and reduced area of lands/ribs respectively. A maximum power density of 188 mW cm -2 was achieved.
| Type: | Article |
|---|---|
| Title: | Advanced diagnostics applied to a self-breathing fuel cell |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1149/06127.0249ecst |
| Publisher version: | https://doi.org/10.1149/06127.0249ecst |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1454298 |
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