Fabrication and Properties of Ba(Zr_0.63Ce_0.27)Y_0.1O_3-δ/ZnO Electrolyte Materials

Abstract:

The perovskite-type Ba(Zr_0.63Ce_0.27)Y_0.1O_3-δ (BZCY) was synthesized by solid-state reaction. Sintering behavior and electrical conductivity of the electrolyte materials were improved through optimizing the content of ZnO as sintering aid. The obvious enhancement of density of sintered body was observed due to ZnO reacting with BZCY powder. Relative densities of the samples increased with ZnO content added. A conductivity of 9.27×10^-3 S/cm tested in humid hydrogen at 800°C was obtained when the ZnO content was 2 mol%. A peak power density of 12.4 mW/cm² was delivered based on a single fuel cell with electrolyte-supported configuration.

• Periodical: Key Engineering Materials (Volumes 512-515)
• Pages: 1559-1563
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.512-515.1559
• Online since: June 2012
• Authors: Rui Song Guo, Li Jun Wu, Yan Ying Gao, Ya Ping Deng, Hong Jiang
• Keywords: Barium Cerate, Barium Zirconate, Conductivity, Electrolyte, Sintering Aid

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