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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Heel, Andre | - |
dc.contributor.author | Holtappels, Peter | - |
dc.contributor.author | Graule, Thomas | - |
dc.date.accessioned | 2018-08-20T14:24:37Z | - |
dc.date.available | 2018-08-20T14:24:37Z | - |
dc.date.issued | 2010-10 | - |
dc.identifier.issn | 0378-7753 | de_CH |
dc.identifier.issn | 1873-2755 | de_CH |
dc.identifier.uri | https://digitalcollection.zhaw.ch/handle/11475/9268 | - |
dc.description.abstract | Flame spray synthesis (FSS), a large-scale powder processing technique is used to prepare nanoscale La0.6Sr0.4CoO3−δ powder for solid oxide fuel cell cathodes from water-based nitrate solutions. Influence of processing is investigated on basis of the as-synthesised powders by X-ray powder diffraction (XRD), thermal gravimetric analysis (TGA), nitrogen adsorption (BET) and electron microscopy (SEM and TEM). Against the background of a nanostructured cathode morphology for an intermediate temperature solid oxide fuel cell (IT-SOFC) at 600 °C, an optimised and high surface area flame-made La0.6Sr0.4CoO3−δ nanopowder of 29 m2 g−1 is used to investigate its performance and chemical reaction with common electrolytes (Y0.16Zr0.84O2−δ, Ce0.9Gd0.1O2−δ and Sc0.20Ce0.01Zr0.79O2−δ). Secondary phase analysis from XRD measurements revealed a substantially lower La2Zr2O7 and SrZrO3 formation in comparison to conventional spray pyrolysed and submicron powder of about 9 m2 g−1. TGA and resistivity measurements proofed that La0.6Sr0.4CoO3−δ is non-sensitive towards carbonate formation under CO2 containing atmospheres. Electronic bulk conductivity of 2680 S cm−1 (600 °C) and 3340 S cm−1 (500 °C) were measured in air and as function of oxygen partial pressure (2 × 105 Pa > p(O2) > 1.2 × 10−2 Pa) in the temperature range between 400 and 900 °C. Electrochemical performance is determined by impedance spectroscopy on symmetrical cells of screen printed nanoscale La0.6Sr0.4CoO3−δ on Ce0.9Gd0.1O2−δ substrates from which an area specific resistance (ASR) of 0.96 Ω cm2 at 600 °C and 0.14 Ω cm2 at 700 °C were obtained. | de_CH |
dc.language.iso | en | de_CH |
dc.publisher | Elsevier | de_CH |
dc.relation.ispartof | Journal of Power Sources | de_CH |
dc.rights | Licence according to publishing contract | de_CH |
dc.subject | La0.6Sr0.4CoO3−δ (LSC) | de_CH |
dc.subject | Cathode | de_CH |
dc.subject | Nanoparticle | de_CH |
dc.subject | Flame spray synthesis | de_CH |
dc.subject | Electrolyte interaction | de_CH |
dc.subject | CO2 sensitivity | de_CH |
dc.subject.ddc | 621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnik | de_CH |
dc.subject.ddc | 660: Technische Chemie | de_CH |
dc.title | On the synthesis and performance of flame-made nanoscale La0.6Sr0.4CoO3−δ and its influence on the application as an intermediate temperature solid oxide fuel cell cathode | de_CH |
dc.type | Beitrag in wissenschaftlicher Zeitschrift | de_CH |
dcterms.type | Text | de_CH |
zhaw.departement | School of Engineering | de_CH |
zhaw.organisationalunit | Institute of Materials and Process Engineering (IMPE) | de_CH |
dc.identifier.doi | 10.1016/j.jpowsour.2010.04.006 | de_CH |
zhaw.funding.eu | No | de_CH |
zhaw.issue | 19 | de_CH |
zhaw.originated.zhaw | No | de_CH |
zhaw.pages.end | 6718 | de_CH |
zhaw.pages.start | 6709 | de_CH |
zhaw.publication.status | publishedVersion | de_CH |
zhaw.volume | 195 | de_CH |
zhaw.publication.review | Peer review (Publikation) | de_CH |
zhaw.webfeed | Prozesstechnik | de_CH |
Appears in collections: | Publikationen School of Engineering |
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Heel, A., Holtappels, P., & Graule, T. (2010). On the synthesis and performance of flame-made nanoscale La0.6Sr0.4CoO3−δ and its influence on the application as an intermediate temperature solid oxide fuel cell cathode. Journal of Power Sources, 195(19), 6709–6718. https://doi.org/10.1016/j.jpowsour.2010.04.006
Heel, A., Holtappels, P. and Graule, T. (2010) ‘On the synthesis and performance of flame-made nanoscale La0.6Sr0.4CoO3−δ and its influence on the application as an intermediate temperature solid oxide fuel cell cathode’, Journal of Power Sources, 195(19), pp. 6709–6718. Available at: https://doi.org/10.1016/j.jpowsour.2010.04.006.
A. Heel, P. Holtappels, and T. Graule, “On the synthesis and performance of flame-made nanoscale La0.6Sr0.4CoO3−δ and its influence on the application as an intermediate temperature solid oxide fuel cell cathode,” Journal of Power Sources, vol. 195, no. 19, pp. 6709–6718, Oct. 2010, doi: 10.1016/j.jpowsour.2010.04.006.
HEEL, Andre, Peter HOLTAPPELS und Thomas GRAULE, 2010. On the synthesis and performance of flame-made nanoscale La0.6Sr0.4CoO3−δ and its influence on the application as an intermediate temperature solid oxide fuel cell cathode. Journal of Power Sources. Oktober 2010. Bd. 195, Nr. 19, S. 6709–6718. DOI 10.1016/j.jpowsour.2010.04.006
Heel, Andre, Peter Holtappels, and Thomas Graule. 2010. “On the Synthesis and Performance of Flame-Made Nanoscale La0.6Sr0.4CoO3−δ and Its Influence on the Application as an Intermediate Temperature Solid Oxide Fuel Cell Cathode.” Journal of Power Sources 195 (19): 6709–18. https://doi.org/10.1016/j.jpowsour.2010.04.006.
Heel, Andre, et al. “On the Synthesis and Performance of Flame-Made Nanoscale La0.6Sr0.4CoO3−δ and Its Influence on the Application as an Intermediate Temperature Solid Oxide Fuel Cell Cathode.” Journal of Power Sources, vol. 195, no. 19, Oct. 2010, pp. 6709–18, https://doi.org/10.1016/j.jpowsour.2010.04.006.
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