Catalytic and Electrical Properties of Electrochemical NOx Reduction System |
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| Journal | Advances in Science and Technology (Volume 45) |
|---|---|
| Volume | 11th International Ceramics Congress |
| Edited by | P. VINCENZINI |
| Pages | 2039-2042 |
| DOI | 10.4028/www.scientific.net/AST.45.2039 |
| Citation | Toshiaki Yamaguchi et al., 2006, Advances in Science and Technology, 45, 2039 |
| Online since | October, 2006 |
| Authors | Toshiaki Yamaguchi, Yuko Kato, Koichi Kikuta, Toshio Suzuki, Yoshinobu Fujishiro, Masanobu Awano, Shin Ichi Hirano |
| Keywords | Ceria Electrolyte, Electrochemical System, NOx Reduction |
| Abstract | The catalytic and electrical properties of an electrochemical NOx reduction system were investigated. A power above 3.5W/cm2 reduced more than 60% of NOx to N2 over the (La,Sr)CoO3-α/Ce0.9Gd0.1O1.95/Pt laminated system in a temperature range of 450°C to 650°C. O2- transportation removed the oxygen around the cathode layer through the Ce0.9Gd0.1O1.95 electrolyte layer, then NO was able to decompose to N2 at the cathode. This ceria-based system exhibited stable NOx reduction with respect to electrical power, regardless of operating temperature. |
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