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Development of a novel electroless deposited nickel braze for micro-tubular solid oxide fuel cell current collector contacting
Hodjati-Pugh, O Dhir, A Steinberger-Wilckens, R
Hodjati-Pugh, O
Dhir, A
Steinberger-Wilckens, R
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2021-08-28
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Abstract
A brazing process for the fuel electrode (anode) contacting of a micro-tubular fuel cell is reported. The low-cost, novel, electroless deposited braze suitable for mass production was optimised with respect to material loading and brazing environment. Durable current collector-anode joints were obtained while protecting sensitive solid oxide fuel cell components. It was determined that a minimum braze loading of 20 µm thickness was required to join the current collector at multiple contacts along the interior tube wall. The final brazed current collector design achieved a high peak power density of 0.14 W.cm−2 at 750°C, 2.35 times higher than for the un-brazed design.
Citation
Hodjati-Pugh O, Dhir A, Steinberger-Wilckens R. (2021) Development of a novel electroless deposited nickel braze for micro-tubular solid oxide fuel cell current collector contacting. Journal of Advanced Joining Processes, 4, 100070.
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Journal article
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en
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© 2021 The Authors. Published by Elsevier. This is an open access article available under a Creative Commons licence.
The published version can be accessed at the following link on the publisher’s website: https://doi.org/10.1016/j.jajp.2021.100070
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2666-3309
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This research was funded by the EPSRC, grant number EP/L015749/1), through the CDT in Fuel Cells and their Fuels, led by the University of Birmingham.