Jha, Ajay Jeong, Dae-Woon Lee, Yeol-Lim Nah, In Wook Roh, Hyun-Seog 2024-01-20T05:32:01Z 2024-01-20T05:32:01Z 2021-09-05 2015-12 2046-2069 https://pubs.kist.re.kr/handle/201004/124676 The high temperature water-gas shift (HT-WGS) reaction was performed using a Co-CeO2 catalyst, prepared through a co-precipitation method. The catalyst showed stable activity performance at 400 degrees C with 90% CO conversion without any side reactions (methanation) at a very high GHSV of 143 000 h(-1), which is the highest value reported for the HT-WGS reaction. This remarkable performance is attributed to the superior reducible nature of ceria and the preferential exposure of (220) and (112) facets of CeO2 and Co3O4, respectively. The time-on-stream study substantiates that ceria stabilizes the surface area of the Co-CeO2 catalyst during the WGS reaction compared to the bulk Co3O4. English ROYAL SOC CHEMISTRY METAL-OXIDE SOLID-SOLUTIONS OXIDATION CO3O4 MORPHOLOGY INTERFACE CHEMISTRY HYDROGEN ETHANOL METHANE Enhancing the catalytic performance of cobalt oxide by doping on ceria in the high temperature water-gas shift reaction Article 10.1039/c5ra22704f 1 RSC ADVANCES, v.5, no.125, pp.103023 - 103029 RSC ADVANCES 5 125 103023 103029 scie scopus 000366461000009 2-s2.0-84949953547 Chemistry, Multidisciplinary Chemistry Article METAL-OXIDE SOLID-SOLUTIONS OXIDATION CO3O4 MORPHOLOGY INTERFACE CHEMISTRY HYDROGEN ETHANOL METHANE