Degradation Analysis of Long-Term Solid Oxide Fuel Cell Stacks with Respect to Chromium Poisoning in La<sub>0.58</sub>Sr<sub>0.4</sub>Co<sub>0.2</sub>Fe<sub>0.8</sub>O<sub>3−δ </sub> and La<sub>0.6</sub>Sr<sub>0.4</sub>CoO<sub>3−δ </sub> Cathodes
Journal of the Electrochemical Society