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http://hdl.handle.net/10397/68615
Title: | Dimensional analysis of Ni-NiO grains at anode/electrolyte interface for SOFC during redox reaction | Authors: | Liang, B Zhang, S Zhang, Z Lu, B Lu, S Kendall, M Ni, M |
Issue Date: | Jul-2017 | Source: | International journal of applied ceramic technology, July/Aug. 2017, v. 14, no. 4, p.534-549 | Abstract: | Upon reduction and re-oxidization, the interface of a microtubular solid oxide fuel cell (MTSOFC) anode/electrolyte was structurally analyzed using a dual beam focused ion beam/scanning electron microscope (FIB/SEM) and scanning transmission electron microscopy combined with energy dispersive X-ray spectrometer (STEM-EDX). The bulk volume of the dense NiO phase dramatically contracted upon reduction, while the YSZ phases are completely unaffected. No cracks or particle detachment are observed either at the interface of the anode/electrolyte or in the anode backbone. Compared with the initial NiO state (as-prepared), the area of Ni phase contracts by 22.6%-83.7%, depending on the grain size. | Keywords: | Ceramic-metal systems Conductivity Grain boundaries Particle size |
Publisher: | Wiley-Blackwell | Journal: | International journal of applied ceramic technology | ISSN: | 1546-542X | EISSN: | 1744-7402 | DOI: | 10.1111/ijac.12667 | Rights: | © 2017 The American Ceramic Society This is the peer reviewed version of the following article: Liang B, Zhang S, Zhang Z, et al. Dimensional analysis of Ni-NiO grains at anode/electrolyte interface for SOFC during redox reaction. Int J Appl Ceram Technol. 2017; 14: 543-549, which has been published in final form at https://doi.org/10.1111/ijac.12667. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited. |
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Ni_Dimensional_Analysis_Ni-Nio.pdf | Pre-Published version | 419.59 kB | Adobe PDF | View/Open |
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