Effects of zirconium oxide on the sintering of SrCe1-xZrxO3-δ (0.0 蠆 x 蠆 0.5)

Kai Ti Hsu, Jason Shian Ching Jang, Yu Jing Ren, Pei Hua Tsai, Chuan Li, Chung Jen Tseng, Jing Chie Lin, Chi Shiung Hsi, I. Ming Hung

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Abstract

SrCe1-xZrxO3-δ (0.0 蠆 x 蠆 0.5) proton-conducting oxides had been successfully prepared using a solid state reaction method. In this study, the relationships between the Zr contents and microstructures, shrinkages, and sintering of these SrCe1-xZrxO3-δ (0.0 蠆 x 蠆 0.5) were systemically studied by using X-ray Diffraction, Scanning Electron Microscopy, and Thermal dilatometer analysis (TDA). The XRD results showed that no second phase could be found from the 1500 °C sintered SrCe1-xZrxO3-δ. The SEMs shows that the porosities of sintered SrCe1-xZrxO3-δ increased with increasing the Zr contents. The largest porosity about 27.53% could be obtained at the SrCe0.6Zr0.4O3-δ ceramics sintered at 1500 °C for 2 h in the SrCe1-xZrxO3-δ ceramics. According to the sintering behaviour and properties characterizations, a flat HTM with porous supporting layers of SrCe0.6Zr0.4O3-δ and SrZrO3 was fabricated by constrained sintering. Therefore, the SrCe0.6Zr0.4O3-δ ceramic is suggested to be a potential support layer material for HTM applications.

Original languageEnglish
Pages (from-to)S491-S495
JournalJournal of Alloys and Compounds
Volume615
Issue numberS1
DOIs
StatePublished - 15 Jan 2015

Keywords

  • Hydrogen transport membrane
  • Multilayer ceramics
  • Pervoskite
  • Sinter

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