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Issue Date
2018-06-14
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Show full item recordAbstract
In this paper, the behaviour of silver as cathode conductive material, interconnect wire, and sealing for anode lead connection for microtubular solid oxide fuel cells (µSOFC) is reported. The changes in silver morphology are examined by scanning electron microscopy on cells that had been operated under reformed methane. It is found that using silver in an solid oxide fuel cell (SOFC) stack can improve the cell performance. However, it is also concluded that silver may be responsible for cell degradation. This report brings together and explains all the known problems with application of silver for SOFCs. The results show that silver is unstable in interconnect and in cathode environments. It is found that the process of cell passivation/activation promotes silver migration. The difference in thermal expansion of silver and sealant results in damage to the glass. It is concluded that when silver is exposed to a dual atmosphere condition, high levels of porosity formation is seen in the dense silver interconnect. The relevance of application of silver in SOFC stacks is discussed.Citation
Makewski, AJ., Dhir, A. (2018) 'Application of silver in microtubular solid oxide fuel cells', Materials for Renewable and Sustainable Energy, 7 (16)Publisher
SpringerJournal
Materials for Renewable and Sustainable EnergyAdditional Links
https://link.springer.com/article/10.1007%2Fs40243-018-0123-yType
Journal articleLanguage
enISSN
2194-1459ae974a485f413a2113503eed53cd6c53
10.1007/s40243-018-0123-y
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- Creative Commons
Except where otherwise noted, this item's license is described as https://creativecommons.org/licenses/by/4.0/