Preparation of La/Co/Ni-based anode catalyst for biogas-fueled solid oxide fuel cells
- Authors
- Ngoc Thi Quynh Nguyen; Tuan Anh Trieu; Yoon, Hyon Hee
- Issue Date
- Dec-2015
- Publisher
- SPRINGER
- Keywords
- Solid oxide fuel cell; Biogas; Reforming catalyst; Anode catalyst layer; Coking
- Citation
- JOURNAL OF ELECTROCERAMICS, v.35, no.1-4, pp.75 - 80
- Journal Title
- JOURNAL OF ELECTROCERAMICS
- Volume
- 35
- Number
- 1-4
- Start Page
- 75
- End Page
- 80
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/9881
- DOI
- 10.1007/s10832-015-9994-9
- ISSN
- 1385-3449
- Abstract
- A new type of bilayered-anode for application in biogas-fueled solid oxide fuel cells (SOFCs) was investigated. The bilayered-anode consisted of lanthanum- and cobalt-doped nickel oxide mixed with Sc2O3-stabilized ZrO2 electrolyte material (LaCoNi-ScSZ) as a functional catalyst layer mainly for the reforming reaction and NiO-ScSZ as an active anode layer mainly for the electrochemical reaction. The cell performance was characterized by recording I-V curves and impedance spectra. The SOFC featuring the LaCoNi-ScSZ functional catalyst anode layer exhibited a power density of 0.32 W/cm(2) when operated under a humidified synthetic biogas (60 % CH4 and 40 % CO2) at 700 A degrees C. The presence of LaCoNi-ScSZ functional catalyst afforded a high coking resistance, and thus the cell was stable when operated under the synthetic biogas at 700 A degrees C for 45 h.
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