Effects of B-site substitution on the surface adsorption properties and catalytic activities of La0.8Sr0.2(Mn1-xCox)O-3
- Authors
- Ahn, Kiyong; Kim, Hyoungchul; Chung, Yong-Chae; Kim, Hae-Ryoung; Son, Ji-Won; Lee, Hae-Weon; Lee, Jong-Ho
- Issue Date
- Oct-2010
- Publisher
- ELSEVIER
- Keywords
- SOFC; Perovskite oxide; Catalytic oxidation; Gas chromatography; X-ray photoelectron spectroscopy; Oxygen adsorption
- Citation
- APPLIED CATALYSIS A-GENERAL, v.387, no.1-2, pp.203 - 208
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED CATALYSIS A-GENERAL
- Volume
- 387
- Number
- 1-2
- Start Page
- 203
- End Page
- 208
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/173671
- DOI
- 10.1016/j.apcata.2010.08.024
- ISSN
- 0926-860X
- Abstract
- In this study, surface adsorption capabilities and corresponding catalytic activities of perovskite-type La(0.8)St(0.2)(Mn1-xCox)O-3 (x = 0, 0.2, 0.4, 0.6, 0.8, 1.0) oxides with controlled surface areas of 3-4 m(2) g(-1) were investigated. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR). and X-ray photoelectron spectroscopy (XPS) were used to examine the surface adsorption property of perovskite oxides. The catalytic activity of La0.8Sr0.2(Mn1-xCox)O-3 on methane conversion was investigated via gas chromatography (GC) in the temperature range of 400-700 degrees C under a fixed methane-to-oxygen ratio (CH4/O-2) of 1.5. According to our investigation, the surface adsorption characteristics were improved with the increase of cobalt content in the B-site of La0.8Sr0.2(Mn1-xCox)O-3. Such improvements consequently enhanced the overall conversion efficiency of methane.
- Files in This Item
-
Go to Link
- Appears in
Collections - 서울 공과대학 > 서울 신소재공학부 > 1. Journal Articles
![qrcode](https://api.qrserver.com/v1/create-qr-code/?size=55x55&data=https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/173671)
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.