Electrical Contacts between Cathodes and Metallic Interconnects in Solid Oxide Fuel Cells
Journal Article
·
· Journal of Power Sources
To minimize electrical resistance, contact layers are often included between interconnects and electrodes during construction of a SOFC stack. In this work, simulated cathode/interconnect structures were used to investigate the effects of different contact materials on the contact resistance between a LSF cathode and a Crofer22 APU interconnect.. The results from the resistance measurements are reported and correlated to interfacial interactions occurring between the metallic interconnect and the contact materials, particularly perovskites. The materials requirements for the contact layers between cathodes and metallic interconnects in intermediate temperature SOFCs are also discussed.
- Research Organization:
- Pacific Northwest National Laboratory (PNNL), Richland, WA (US)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-76RL01830
- OSTI ID:
- 882373
- Report Number(s):
- PNNL-SA-44409; AA2530000
- Journal Information:
- Journal of Power Sources, Journal Name: Journal of Power Sources Journal Issue: 2 Vol. 155; ISSN JPSODZ; ISSN 0378-7753
- Country of Publication:
- United States
- Language:
- English
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