Effects of TiO2 and SDC addition on the properties of YSZ electrolyte

Chin Tien Shen, Kan Rong Lee, Yu Pin Hsieh, Sheng Wei Lee, Jeng-Kuei Chang, Shian Ching Jang, Chung Jen Tseng*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

In this study, we investigate the effects of adding titanium dioxide (TiO2) and samarium doped cerium oxide (SDC) on the properties of yttrium-stabilized zirconia (YSZ) electrolyte. The microstructure, mechanical, and electrochemical properties of the electrolyte are investigated. The performance in CO2 electrolysis is measured by supplying carbon dioxide to Ni-YSZ electrode and nitrogen to LSM electrode. Results show that TiO2 and SDC addition can reduce the sintering temperature and increase grain size. The ionic conductivity is 0.123 S cm−1 at 1000 °C. In addition, the thermal expansion coefficient at 1000 °C is 8.25 × 10−6 K−1. The current density of the cell is 439 mA cm−2 at 1.3 V and 1000 °C in solid oxide electrolysis cell.

Original languageEnglish
JournalInternational Journal of Hydrogen Energy
DOIs
StateAccepted/In press - 1 Jan 2019

Fingerprint Dive into the research topics of 'Effects of TiO<sub>2</sub> and SDC addition on the properties of YSZ electrolyte'. Together they form a unique fingerprint.

Cite this