fig4

The emerging Sr<sub>2</sub>FeMoO<sub>6</sub>-based electrocatalysts for solid oxide electrochemical cell: synthesis, modulation and applications

Figure 4. (A) Possible mechanisms of anti-site defects development in SFMM; (B) XRD of SFMM precursor at high temperatures from 25-1,000 °C in Argon; (C) SFMM redox cycling resistivity at 800 °C; (D) current voltage and related power density for single cell SFMM with 300 μm LSGM. Reproduced with permission[32], Copyright 2018, Wiley-VCH; (E) At an ambient temperature of 700 °C, in-situ infrared spectroscopy was used to investigate the adsorption of CO2; (F) Comparison of current density produced with SOEC cathode prepared by SFM-R and SFMM-R at various applied potentials. Reproduced with permission[31], Copyright 2021, Elsevier; (G) Structure and surface morphology evolution models of SFMNi fuel electrode in H2 atmosphere; (H) voltage and power density characteristics about the current density of a cell SFMNi/LDC/LSGM/LSCF with LSGM electrolyte support, operated under CH4 conditions; (I) Nyquist points of impedance data from symmetrical cells SFMNi/LDC/LSGM/LDC/SFMNi measured in pure H2 at different temperatures under open-circuit voltage. Reproduced with permission[37], Copyright 2016, American Chemical Society. SFMM: Sr2(Mg1/3Fe2/3)(Mo2/3Fe1/3)O6; XRD: X-ray diffraction; SOEC: solid oxide electrolysis cell; LSGM: La0.2Sr0.8Ga0.8Mg0.2O3; SFM-R: Sr2FeMoO6-reduce; SFMM-R: Sr2(Mg1/3Fe2/3)(Mo2/3Fe1/3)O6-reduce; LDC: La doped ceria; LSCF: La0.6Sr0.4Co0.2Fe0.8O3.

Chemical Synthesis
ISSN 2769-5247 (Online)

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