Synthesis and Characterization of La<sub>0.75</sub>Sr<sub>0.25</sub>Cr<sub>0.5</sub>Mn<sub>0.5</sub>O<sub>3</sub>-δ Nanoparticles Using a Combustion Method for Solid Oxide Fuel Cells

• 作者: Edwin H. Walker Rajamohan R. Kalluru Rudolf Holze V. S. Reddy Channu
• 来源期刊: 玻璃与陶瓷期刊(英文)
• 学科: 化学
• 关键词: NANOPARTICLES COMBUSTION method MORPHOLOGY Carriers
• 年，卷（期）: 2011,（2）
• 页码范围: 58-62
• 页数: 5页
• 分类号: O6

摘要

La0.75Sr0.25Cr0.5Mn0.5O3-δ (LSCM) perovskite nanoparticles for use as anode material in intermediate temperature solid oxide fuel cells (IT-SOFCs) were synthesized using 3,3’,3”- nitrilotripropionic acid (NTP), citric acid and oxalic acid as carriers via a combustion method. The influence of the carrier on phase and morphology of the obtained pristine products was characterized using X-ray diffraction (XRD), thermal gravimetric analysis (TGA), and scanning electron microscopy (SEM). XRD results showed, that the LSCM had rhombohedral symmetry with R-3c space group;a single phase LSCM perovskite formed after calcination of fired gel at 1200°C for 7 h. Scanning electron microscopy analysis of the pristine powders showed spherical shape and particle sizes in the range of 50 – 500 nm.