Performance degradation of SmBaCo2O5+? cathode induced by chromium deposition for solid oxide fuel cells
By Bo Wei and Kongfa Chen and Cheng Cheng Wang and Zhe L
Published in Electrochimica Acta
NULL
2015
Abstract
Chromium deposition and poisoning at double-perovskite type SmBaCo2O5+? (SBCO) cathodes of solid oxide fuel cells (SOFCs) are studied. The electrochemical activity of \SBCO\ cathodes for the \O2\ reduction reaction degrades quickly in the presence of a chromia-forming metallic interconnect, indicating that \SBCO\ is not a Cr-tolerant and resistance cathode. The results indicate that the deposition of Cr species is essentially induced by the segregated BaO on the \SBCO\ surface, leading to the formation of BaCrO4. The deposition and formation of BaCrO4 phase accelerates the abstraction of Ba from the SBCO, resulting to the decomposition of \SBCO\ double perovskite structure and the loss of electrochemical activity for the \O2\ reduction reaction.
Microsoft is Ending Support for Windows 7
Microsoft will discontinue support for Windows 7 on January 14, 2020 which means Gamry will also be discontinuing support for Windows 7. If you are upgrading to Windows 10, like many companies and institutions, you need to be running Version 7 of our s oftware . Please note that only USB and Ethernet-based instruments can run in Version 7. Eligible users can download the latest version of our software through our online Client Portal .
If you haven't already registered your instrument, you can do so through the Client Portal .
Please email Technical Support if you have any questions regarding this transition. Please be sure to include your instrument model and serial number when contacting us.