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Effect of impuritie...
Effect of impurities on structural and electrochemical properties of the Ni-YSZ interface.
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Jensen, K V (author)
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- Wallenberg, Reine (author)
- Lund University,Lunds universitet,Centrum för analys och syntes,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Centre for Analysis and Synthesis,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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Chorkendorff, I (author)
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Mogensen, M (author)
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(creator_code:org_t)
- 2003
- 2003
- English.
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In: Solid State Ionics. - 0167-2738. ; 160:1-2, s. 27-37
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The changes in interface structure and chemical composition of a 99.995% pure nickel/yttria-stabilised zirconia (YSZ) interface were examined after heat treatment at 1000 °C in 97% H2/3% H2O with and without polarisation. Impedance spectroscopy was used for electrochemical characterisation. The results were compared to earlier investigations of a less pure nickel/YSZ interface. The pure interface developed different structures depending on whether or not the samples were polarised. Despite the purity of the nickel, impurities were found in the interfacial region. The pure electrodes/interfaces showed area specific polarisation resistances 10 times lower than the impure interfaces.
Subject headings
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Keyword
- Foreign phases
- Polarisation resistance
- Ni–YSZ interface
- SOFC
- Anode
Publication and Content Type
- art (subject category)
- ref (subject category)
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