Tian XIA, Xie MENG, Ting LUO, Zhongliang ZHAN. La 3+-substituted Sr2Fe1.5Ni0.1Mo0.4O6-δ as Anodes for Solid Oxide Fuel Cells [J]. Journal of Inorganic Materials, 2020, 35(5): 617
- Journal of Inorganic Materials
- Vol. 35, Issue 5, 617 (2020)
. Room temperature XRD patterns of Lax SFNM (x =0, 0.1, 0.2, 0.3, 0.4)
. Surface morphologies of (a) SFNM ceramic pellets before reduction and (b-f) Lax SFNM ceramic pellets after reduction in humidified 10vol% H2/N2 (3vol% H2O) at 750 ℃ for 4 h
. (a) SEM image of reduced La0.3SFNM ceramic surface and (b-g) elemental mapping of La (b, blue), Sr (c, magenta), Fe (d, red), Ni (e, yellow), Mo (f, brown) and O (g, green)
. (a) Nyquist and (b) Bode plots of impedance data for symmetrical anode fuel cells, i.e. , Nano-Lax SFNM@LSGM | LSGM | Nano-Lax SFNM@LSGM, operating in humidified H2 (3vol% H2O, 100 mL·min-1) at 750 ℃, (c) distributions of relation time (DRT) plots of the data shown in (a) and (b)
. (a) Cross-sectional micrograph of measured fuel cell (Nano-La0.3SFNM@LSGM|LSGM|Nano-SBSCO@LSGM), and (b) high magnification view of the impregnated catalyst
. (a) Voltage and power density versus current density for the functioning fuel cell (Nano-La0.3SFNM@LSGM|LSGM| Nano-SBSCO@LSGM), measured in 97vol% H2-3vol% H2O at 100 sccm; (b) Peak power densities at different temperatures for single cells with varied Lax SFNM anodes
. Cell voltage as a function of operation time for the single fuel cell (Nano-La0.3SFNM@LSGM|LSGM|Nano-SBSCO@LSGM), operated under constant current density at 550 and 650 ℃
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