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Bi-doped La2-xBixCu0.5Mn1.5O6 (LBCM-x, x=0, 0.1 and 0.2) were synthesized as potential cathode materials for intermediate-temperature solid oxide fuel cells. The effects of 6s2 lone pair electrons on the electrical and electrochemical properties of LBCMs were investigated. The results reveal that Bi3+ affects the properties of LBCMs in two ways. First, Bi doping can promotes the formation of oxygen...
A series of novel perovskites LaM0.25Mn0.75O3−δ (M=Fe, Co, Ni, Cu) are considered as promising cathode materials for intermediate-temperature solid oxide fuel cells (IT-SOFCs). Polycrystalline powders of LaM0.25Mn0.75O3−δ are synthesized by a modified Pechini method. Powder X-ray Rietveld refinements reveal that LaM0.25Mn0.75O3−δ series are in the orthorhombic perovskite structure within Pnma (no...
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