Fabrication of porous lanthanum strontium manganite films by electrostatic spray deposition
- Authors
- Im, Jongmo; Park, Inyu; Jang, Sungeun; Shin, Dongwook
- Issue Date
- Dec-2009
- Publisher
- KOREAN INST METALS MATERIALS
- Keywords
- electrostatic spray deposition; solid oxide fuel cell; cathode
- Citation
- METALS AND MATERIALS INTERNATIONAL, v.15, no.6, pp.1049 - 1053
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- METALS AND MATERIALS INTERNATIONAL
- Volume
- 15
- Number
- 6
- Start Page
- 1049
- End Page
- 1053
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175736
- DOI
- 10.1007/s12540-009-1049-9
- ISSN
- 1598-9623
- Abstract
- In this work, electrostatic deposition was used to prepare porous lanthanum strontium manganite (LSM) films on a silicon substrate for cathode application in solid oxide fuel cells (SOFCs). The precursor solution was prepared by dissolving lanthanum nitrate hydrate, manganese nitrate hexahydrate and strontium chloride hexahydrate into a mixture of methanol and water. The morphology of the LSM film depended on process parameters such as substrate temperature, precursor flow rate, nozzle-substrate distance, and deposition time. The effect of heating temperature on the film's crystal structure was investigated with X-ray diffraction in the heating temperature range of 700 A degrees C to 900 A degrees C. Porous LSM film was successfully prepared in the solution flow rate range of 2 l/min to 4.5 l/min, substrate temperatures of 127 A degrees C to 330 A degrees C, the nozzle-substrate distance range of 3 cm to 8 cm, and deposition times of 1 min to 16 min.
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