Electrochemical performances of (La,Sr)CoO3 cathode for zirconia-based solid oxide fuel cells

Low‐Temperature Preparation of La0.6Sr0.4Fe0.8Co0.2O3–δ Sinterable Nanopowders by the Polymeric Organic Complex Solution Method

“…By contrary, those powders prepared by conventional processing (SSR) and calcined at 1,200°C showed the presence of secondary phases as LaSrCoO 4 .…”

“…The main characteristic of the SOFCs is its ability to convert chemical energy directly into electric power with high conversion efficiency and negligible pollution [4]. Other advantages such as multi-fuel capability, a modular construction design and environmental compatibility make them to be considered as one of the most promising future power generation devices [5,6].…”

“…La 0.6 Sr 0. 4 Aqueous solutions (≈0.5 M) of corresponding nitrates were mixed by stirring with nitric acid (65%) and EG to make a gel. The as-obtained solutions were treated thermally in three steps, 80°C for 2 h, 120°C for 3 h to obtain a syrup-like gel and finally 150°C to obtain a black resin which is heated around 200°C and up to a vigorous exothermic reaction occurred which converted the resin into an expanded porous solid.…”

Synthesis and Evaluation Catalytic Efficiency of Perovskite-Type Oxide Nanopowders in Removal of Bromocresol Purple from Aqueous Solution

“…A number of approaches such as solid-state reactions (Zhou et al, 2006), mechanical-synthesis (Szabo et al, 2002), coprecipitation (Nakayama et al, 2003;Srdic et al, 2005), solution combustion or thermal decomposition (Bansal and Zhong, 2006;Berger et al, 2004;Berger et al, 2007) hydrothermal, and sol-gel technique (Pechini, 1967;Cizauskaite and Kareiva, 2008) have been used to synthesize LaMO 3 -based perovskite powders. The solgel method is highly attractive because various metal ions are chelated to form metal complexes in solution and are uniformly distributed at the molecular level.…”

Study on Sm1.8Ce0.2CuO4–Ce0.9Gd0.1O1.95 composite cathode materials for intermediate temperature solid oxide fuel cell

“…One major problem encountered in the developing IT-SOFC is the slow dynamic oxygen reduction reaction (ORR) on traditional cathode in the intermediate temperature range. Therefore optimization of cathode performance is becoming essential [1], [2] and [3]. Perovskite structured materials (such as (La, Sr)(Co, Fe)O3, Sm0.5Sr0.5CoO3, Ba0.5Sr0.5Co0.8Fe0.2O3) are promising cathodes for IT-SOFCs, due to their high catalytic activity for ORR and considerable electronic conductivity [4], [5] and [6].…”