Browse > Article
http://dx.doi.org/10.4191/kcers.2016.53.5.489

Symmetrical Solid Oxide Electrolyzer Cells (SOECs) with La0.6Sr0.4Co0.2Fe0.8O3 (LSCF)-Gadolinium Doped Ceria (GDC) Composite Electrodes  

Lee, Kyoung-Jin (Department of Materials Science and Engineering, Inha University)
Lee, Min-Jin (Department of Materials Science and Engineering, Inha University)
Park, Seok-hoon (Department of Environmental Engineering, Anyang University)
Hwang, Hae-Jin (Department of Materials Science and Engineering, Inha University)
Publication Information
Journal of the Korean Ceramic Society / v.53, no.5, 2016 , pp. 489-493 More about this Journal
Abstract
Scandia ($Sc2O_3$)-stabilized zirconia (ScSZ) electrolyte-supported symmetrical solid oxide electrolyzer cells (SOECs), in which lanthanum strontium cobalt ferrite (LSCF)-gadolinia ($Gd_2O_3$)-doped ceria (GDC) composite materials are used as both the cathode and anode, were fabricated and their high temperature steam electrolysis (HTSE) performance was investigated. Current density-voltage curves were obtained for cells operated in 10% $H_2O$/90% Ar at 750, 800, and $850^{\circ}C$. It was possible to determine the ohmic, cathodic, and anodic contributions to the total overpotential using the three-electrode technique. The HTSE performance was significantly improved in the symmetrical cell with LSCF-GDC electrodes compared to the cell consisting of an Ni-YSZ cathode and LSCF-GDC anode. It was found that the overpotential due to the LSCF-GDC cathode largely decreased and, at a given current density, the total cell voltage decreased, which resulted in the enhanced hydrogen production rate in the symmetrical cell.
Keywords
HTSE; SOECs; Symmetrical cell; LSCF-GDC; Hydrogen production rate;
Citations & Related Records
연도 인용수 순위
  • Reference
1 M. Ni, M. K. H. Leung, and D. Y. C. Leung, "Technological Development of Hydrogen Production by Solid Oxide Electrolyzer Cell (SOEC)," Int. J. Hydrogen Energy, 33 [9] 2337-54 (2008).   DOI
2 W. Donitz, E. Edle, R. Streicher, H. Wendt, "Electrochemical Hydrogen Technologies: Electrochemical Production and Combustion of Hydrogen," pp. 213 in Electrochemical Hydrogen Technologies, Elsevier, Amsterdam, Netherland, 1990.
3 M. A. Laguna-Bercero, S. J. Skinner, and J. A. Kilner, "Performance of Solid Oxide Electrolysis Cells Based on Scandia Stabilised Zirconia," J. Power Sources, 192 [1] 126-31 (2009).   DOI
4 J. Kong, Y. Zhang, C. Deng, and J. Xu, "Synthesis and Electrochemical Properties of LSM and LSF Perovskites as Anode Materials for High Temperature Steam Electrolysis," J. Power Sources, 186 [2] 485-89 (2009).   DOI
5 N. Q. Minh, "Development of Reversible Solid Oxide Fuel Cells (RSOFCs) and Stacks Electrolysis and Other Applications," ECS Trans., 35 [1] 2897-904 (2011).
6 D. Grondin, N. Grunbaum, J. Deseure, and P. Ozil, "The Use of Conventional SOFC Electrodes in High Temperature Water Electrolysis Mode: An Electrochemical Study of Ni-Cermet and LSM Cell Designs, Processing and Performance," ECS Trans., 25 [2] 1007-14 (2009).
7 A. Brisse, J. Schefold, and M. Zahid, "High Temperature Water Electrolysis in Solid Oxide Cells," Int. J. Hydrogen Energy, 33 [20] 5375-82 (2008).   DOI
8 Y. Bo, Z. Wenqiang, X. Jingming, and C. Jing, "Status and Research of Highly Efficient Hydrogen Production through High Temperature Steam Electrolysis at INET," Int. J. Hydrogen Energy, 35 [7] 2829-35 (2010).   DOI
9 O. A. Marina, L. R. Pederson, M. C. Williams, G. W. Coffey, K. D. Meinhardt, C. D. Nguyen, and E. C. Thomsena, "Electrode Performance in Reversible Solid Oxide Fuel Cells," J. Electrochem. Soc., 154 [5] B452-59 (2007).   DOI
10 X. Yang and J. T. S. Irvine, "$(La_{0.75}Sr_{0.25})_{0.95}Mn_{0.5}Cr_{0.5}O_3$ as the Cathode of Solid Oxide Electrolysis Cells for High Temperature Hydrogen Production from Steam," J. Mater. Chem., 18 [20] 2349-54 (2008).   DOI
11 G. Tsekouras, D. Neagu, and J. T. S. Irvine, "Step-Change in High Temperature Steam Electrolysis Performance of Perovskite Oxide Cathodes with Exsolution of B-site Dopants," Energy Environ. Sci., 6 [1] 256-66 (2013).   DOI
12 B. K. Lai, K. Kerman, and S. Ramanathan, "Nanostructured $La_{0.6}Sr_{0.4}Co_{0.8}Fe_{0.2}O_3/Y_{0.08}Zr_{0.92}O_{1.96}/La_{0.6}Sr_{0.4}Co_{0.8}Fe_{0.2}O_3 (LSCF/YSZ/LSCF) Symmetric Thin Film Solid Oxide Fuel Cells," J. Power Sources, 196 [4] 1826-32 (2011).   DOI
13 A. Sin, E. Kopnin, Y. Dubitsky, A. Zaopo, A. S. Arico, L. R. Gullo, D. La Rosa, and V. Antonucci, "Stabilisation of Composite LSFCO-CGO Based Anodes for Methane Oxidation in Solid Oxide Fuel Cells," J. Power Sources, 145 [1] 68-73 (2005).   DOI
14 T. J. Huang and C. M. Chen, "Syngas Reactivity over $(LaAg)(CoFe)O_3$ and Ag-added $(LaSr)(CoFe)O_3$ Anodes of Solid Oxide Fuel Cells," J. Power Sources, 196 [5] 2545-50 (2011).   DOI
15 A. Hartley, M. Sahibzada, M. Weston, I. S. Metcalfe, and D. Mantzavinos, "$La_{0.6}Sr_{0.4}Co_{0.2}Fe_{0.8}O_3$ as the Anode and Cathode for Intermediate Temperature Solid Oxide Fuel Cells," Catalysis Today, 55 [1] 197-204 (2000).   DOI