... (NO 3 ) 2 (OH) 2 · 2H 2 O/(Co(NH 3 ) 5 (N 3 ))(N 3 ) 2 (NC) composite material was prepared by the microwave-assisted method. The effects of Al(NO 3 ) 3 contents on the morphology and structure of the composites were studied by scanning electron microscopy, X-ray diffraction, Raman spectrum, and laser...

... 22 02 2011 22 02 2011 composite materials copper compounds electrochemical electrodes iron compounds solid oxide fuel cells zinc compounds ZnO metal oxide anode impedance spectra electrical conductivity The fuel cell (FC) is a solid state electrochemical energy...

... investigated the optimized composition of Sm x Sr 1 − x (Co,Fe,Ni) O 3 − δ / Sm 0.2 Ce 0.8 O 1.9 on the Sm 0.2 Ce 0.8 O 1.9 electrolyte and the possible use of an optimized composite material for the IT-SOFC system. The electrochemical and thermal properties of Sm x Sr 1 − x (Co,Fe,Ni) O 3 − δ and its...

... Oxidation of Methane ,” J. Catal. 0021-9517 , 220 ( 1 ), pp. 74 – 83 . 30 11 2005 13 06 2006 lanthanum compounds strontium compounds X-ray diffraction X-ray photoelectron spectra solid oxide fuel cells composite materials reduction (chemical) (La, Sr) CrO 3...

... of ca. $ 140 kW − 1 . Of this, ∼ 75 % is due to the raw materials, with smaller fractions attributed to the cost of energy, labor, tooling, and fixed overheads. In comparison, estimates of 29% of the overall stack cost have been predicted for a carbon composite material ( 5...

... composite materials ageing Solid oxide fuel cells (SOFCs) have shown high efficiency when operated at elevated temperature and are expected to be a candidate for the future power source for next generations ( 1 ). An SOFC system involves multiphysics phenomena, including the mass balance...

... aim to further our understanding of oxygen transport in composite materials by continuing our studies on a model mixed conducting system of Zr 0.84 Y 0.16 O 1.92 (YSZ) and ( La 0.8 Sr 0.2 ) 0.98 Mn O 3 ± δ (LSM) using the isotope exchange depth profiling method in conjunction with secondary ion mass...

... Power Density PEM Fuel Cell Stack ,” Electrochim. Acta 0013-4686 , 43 ( 24 ), pp. 3829 – 3840 . Busick , D. N. , and Wilson , M. S. , 1999 , “ Low-Cost Composite Materials for PEFC Bipolar Plates ,” Los Alamos National Laboratory, USA, Fuel Cells Bulletin No. 5. Besmann , T...