... electrical conductivity All reagents used in the synthesis procedures were of high-purity powders. Lithium carbonate (Li 2 CO 3 ; Sigma Aldrich), lanthanum (III) hydroxide (La(OH) 3 ; Alfa Aesar), zirconium (IV) oxide (ZrO 2 ; Sigma Aldrich), and aluminum oxide (Al 2 O 3 ; Merck) were used...

... 4 batteries was ranged between 100 and 156 mAh g −1 with coulombic efficiency range between 70.9% and 93.9%. 05 01 2017 19 03 2017 positive electrodes lithium metal silicates electrical conductivity cyclic performance The rechargeable lithium-ion batteries for portable...

... −1 . Data were recorded both under air and low p O 2 atmosphere (Ar/5%H 2 ). The two corresponding thermal expansion coefficients (TECs) were calculated from the slopes of the curves. The dc electrical conductivity of the sintered LSTO material was measured by the classical four-probe method...

..., electrochemistry, electrical conduction, and diffusion physics. This model was built using the actual button cell testing geometry and using experimental data for validation purposes. The objective of this study is to understand the effects of the testing setup used on the cell performance and to recommend...

...Zhenwei Wang; Masashi Mori The air-sintering characteristics and electrical conductivity of (Sr 1−x La x )TiO 3 perovskites (0 ≤ x ≤ 0.3) synthesized by the citric acid method were evaluated in terms of their use as interconnect materials in solid oxide fuel cells. A single perovskite phase of (Sr...

... exchange membrane fuel cells (PEMFC) applications. 14 10 2010 02 04 2011 20 06 2011 20 06 2011 electrical conductivity permeability proton exchange membrane fuel cells proton exchange membrane polyurethane sulfonic group fuel cell ionomer The growing scarcity...

... expansion coefficient (TEC) increased remarkably with increasing Co content, but the TEC of SrTi 0.9 Co 0.1 O 3 was comparable with those of SOFC cathodes and anodes. Co doping of SrTiO 3 effectively increased electrical conductivity in air, whereas the conductivity of Co-doped SrTiO 3 in a reducing...

... scanning electron microscopy solid oxide fuel cells thermal stability X-ray diffraction yttrium compounds two phase oxides carbonates nanocomposite electrical conductivity Interest in renewable energy resources is growing continually due to global energy demands. To meet the demands...

... of them had 99.9% purity. Hence, the main goals of the current work were (i) to revise electrical conductivity versus temperature data for undoped GdBaCo 2 O 6 − δ , (ii) to study that of iron-doped double perovskite GdBaCo 1.8 Fe 0.2 O 6 − δ , (iii...

.... , 2000 , “ Total Electrical Conductivity and Defect Structure of ZrO2–CeO2–Y2O3–Gd2O3 Solid Solutions ,” Solid State Ionics 0167-2738 , 135 , pp. 403 – 409 . 10.1016/S0167-2738(00)00477-X Weber , A. , Müller , A. C. , Herbstritt , D. , and Ivers-Tiffée , E. , 2001...

.... The nanostructure of the anode has been studied by high-resolution electron microscopy, the crystal structure and lattice parameters have also been studied by X-ray diffraction. The electrical conductivity of the composite anode was studied by electrochemical impedance spectra. 07 04 2010 15 09 2010...

.... , 2006 , “ Influence of Different Perovskite Interlayers on the Electrical Conductivity Between La0.65Sr0.3MnO3 and Fe/Cr-Based Steels ,” Solid State Ionics 0167-2738 , 177 ( 9–10 ), pp. 923 – 930 . 10.1016/j.ssi.2006.01.046 Yang , Z. , Xia , G. -G. , Maupin , G. D...

... has shown the lowest gas permeability of 1 × 10 − 6 l cm − 2 s − 1 at a differential pressure of 3 atm measured with He gas. The electrical conductivity of anode support brazed with BNi2 showed 450 S cm − 1 at 750 ° C and stable value even at the long-term and thermal cycle tests. The brazed anode...

... of electrically conductive materials fabricated via a twin-screw extrusion process followed by selective extraction of one of the two polymers. The matrix consisted of low-viscosity polypropylene and polystyrene (PS) and the conductive additives were composed of high specific surface area carbon black...

... interconnections electrical conductivity contact resistance chromium evaporation protective coating interconnect Planar solid oxide fuel cell (SOFC) stacks operating at intermediate temperature (700–850°C) are based on the use of thin-electrolyte anode supported cells in combination with low-cost...

... reported to suffer from insufficient conductivity. So, in this work, in order to enhance the electrical conductivity in the catalyst layer and to increase the catalytic activity, the Raney-nickel catalysts were alloyed with carbon in a planetary-type ball mill. In some samples platinum was added chemically...

... exchange membrane fuel cells electrochemical electrodes membranes electrical conductivity current density 2006 American Society of Mechanical Engineers ...

... and electrochemical corrosions in the PEM fuel cell operating environment. The major goals of this research are to find proper physical vapor deposition (PVD) coating materials which would enhance surface properties by making significant improvements on corrosion resistance and electrical conductivity at a reasonable...