Littérature scientifique sur le sujet « Lanthanum Cobalt Oxide »
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Articles de revues sur le sujet "Lanthanum Cobalt Oxide"
Benedetto Mas, Alice, Silvia Fiore, Sonia Fiorilli, Federico Smeacetto, Massimo Santarelli et Ilaria Schiavi. « Analysis of Lanthanum and Cobalt Leaching Aimed at Effective Recycling Strategies of Solid Oxide Cells ». Sustainability 14, no 6 (12 mars 2022) : 3335. http://dx.doi.org/10.3390/su14063335.
Texte intégralJia, X. L., Y. Wang, R. S. Xin, Quan Li Jia et Hai Jun Zhang. « Preparation of Rare-Earth Element Doped Titanium Oxide Thin Films and Photocatalysis Properties ». Key Engineering Materials 336-338 (avril 2007) : 1946–48. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.1946.
Texte intégralZybert, Magdalena, Magdalena Karasińska, Elżbieta Truszkiewicz, Bogusław Mierzwa et Wioletta Raróg-Pilecka. « Properties and activity of the cobalt catalysts for NH3 synthesis obtained by co-precipitation – the effect of lanthanum addition ». Polish Journal of Chemical Technology 17, no 1 (1 mars 2015) : 138–43. http://dx.doi.org/10.1515/pjct-2015-0020.
Texte intégralRonduda, Hubert, Magdalena Zybert, Wojciech Patkowski, Andrzej Ostrowski, Przemysław Jodłowski, Damian Szymański, Leszek Kępiński et Wioletta Raróg-Pilecka. « A high performance barium-promoted cobalt catalyst supported on magnesium–lanthanum mixed oxide for ammonia synthesis ». RSC Advances 11, no 23 (2021) : 14218–28. http://dx.doi.org/10.1039/d1ra01584b.
Texte intégralOlivo, Alberto, Berceste Beyribey, Hwan Kim et Joshua Persky. « Cobalt oxide enhanced lanthanum strontium cobalt ferrite electrode for solid oxide fuel cells ». Main Group Chemistry 21, no 1 (8 avril 2022) : 195–207. http://dx.doi.org/10.3233/mgc-210114.
Texte intégralYamagata, Chieko, et Sonia Regina Homem de Mello-Castanho. « Synthesis Characterization and Sintering of Cobalt-Doped Lanthanum Chromite Powders for Use in SOFCs ». Materials Science Forum 660-661 (octobre 2010) : 971–76. http://dx.doi.org/10.4028/www.scientific.net/msf.660-661.971.
Texte intégralNemudry, A. « Room temperature topotactic oxidation of lanthanum cobalt oxide La2CoO4.0 ». Solid State Ionics 109, no 3-4 (2 juin 1998) : 213–22. http://dx.doi.org/10.1016/s0167-2738(98)00105-2.
Texte intégralSetz, L. F. G., H. P. S. Corrêa, Carlos de Oliveira Paiva-Santos et Sonia Regina Homem de Mello-Castanho. « Sintering of Cobalt and Strontium Doped Lanthanum Chromite Obtained by Combustion Synthesis ». Materials Science Forum 530-531 (novembre 2006) : 671–76. http://dx.doi.org/10.4028/www.scientific.net/msf.530-531.671.
Texte intégralBishop, Sean R., Keith L. Duncan et Eric D. Wachsman. « Thermo-Chemical Expansion in Strontium-Doped Lanthanum Cobalt Iron Oxide ». Journal of the American Ceramic Society 93, no 12 (3 septembre 2010) : 4115–21. http://dx.doi.org/10.1111/j.1551-2916.2010.03991.x.
Texte intégralBARNARD, K. « Lanthanum cobalt oxide oxidation catalysts derived from mixed hydroxide precursors ». Journal of Catalysis 125, no 2 (octobre 1990) : 265–75. http://dx.doi.org/10.1016/0021-9517(90)90302-z.
Texte intégralThèses sur le sujet "Lanthanum Cobalt Oxide"
Klettlinger, Jennifer Lindsey Suder. « Fischer-Tropsch Cobalt Catalyst Improvements with the Presence of TiO2, La2O3, and ZrO2 on an Alumina Support ». University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1333981467.
Texte intégralLu, Yunxiang. « Study of electrochemical performance of strontium doped lanthanum cobalt oxides using electrochemical impedance spectroscopy and microelectrode array cell design / ». Thesis, Connect to this title online ; UW restricted, 2007. http://hdl.handle.net/1773/9818.
Texte intégralFLORIO, DANIEL Z. de. « Analise de eletrolitos de ZrO sub(2):Y sub(2) O sub(3) + B sub(2) O sub(3) e de eletrodos de La sub(0,8) Sr sub(0,2) Co sub (0,8) Fe sub (0,2) O sub (3-delta) por espectroscopia de impedancia ». reponame:Repositório Institucional do IPEN, 2003. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11130.
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Tese (Doutoramento)
IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
SETZ, LUIZ F. G. « Processamento coloidal de cromito de lantanio ». reponame:Repositório Institucional do IPEN, 2009. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11522.
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Tese (Doutoramento)
IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
Shaw, Cynthia Kit Man. « Mass transport in mixed conducting perovskite related oxides ». Thesis, Imperial College London, 2001. http://hdl.handle.net/10044/1/8380.
Texte intégralWattiaux, Alain. « Étude du comportement électrocatalytique relatif au dégagement de l'oxygène des perovskites non-stœchiométriques La₁-ₓSrₓFe₁-zCozO₃-y ». Bordeaux 1, 1985. http://www.theses.fr/1985BOR10638.
Texte intégralChen, Yu-Jen, et 陳佑任. « Investigation in Lanthanum Strontium Cobalt Zinc Iron Oxide of Solid oxide Fuel Cells cathode materials ». Thesis, 2008. http://ndltd.ncl.edu.tw/handle/16666073466547846840.
Texte intégral國立臺灣科技大學
機械工程系
96
This research was focused on the Cathode material, La0.6Sr0.4(Co1-x Znx)0.2Fe0.8O3-d(x=0.0、0.2、0.4、0.6、0.8、1.0), to go through the half-cell test with excellent electrical conductivity of the electrolyte Ce0.78Gd0.2Sr0.02O1.9-x(GDC+Sr) developed by our laboratory. The cathode porosity of test chip/fragment was controlled to be approximately 31.25±3% for evaluating the effect on polarization loss of cathode oxygen reduction reaction and electrical chemical reaction with electrochemical impedance spectroscopy (EIS). A combination of analytical techniques were applied X-ray diffraction for interpreting the crystal structure, scanning electron microscope (SEM) for examining micro-structures, thermo mechanical analyzer (TMA) for finding thermal expansion coefficient (TEC) and (DTA/TGA) thermal analyzers for analyzing the presence of Phase & Change. The variation in component of La0.6Sr0.4(Co1-x Znx)0.2Fe0.8O3-d analyzed by XRD was single-based Rhombohedral Perovskite, a=b=c. The lattice constant and volume were expanded when Zinc ionic substitutes for Cobalt ionic due to the radius of Zinc was 22% being wider than that of Cobalt. According to the statistics from (DTA/TGA) thermal analysis, there was no Phase & Change when x was 0.0~1.0 at 500~800℃ which meant the interface between cathode and electrolyte was stable. In addition, based on the statistics from thermo mechanical analysis, the thermal expansion coefficient of the bulk grew as the temperature increases. Moreover, the thermal expansion coefficient decreased from 16.8 to 13.31 10-6k-1 if Zinc substituted for Cobalt. On the basis of electrical chemical alternating electrical impedance atlas method (x = 0.4, 0.6, 0.8) when Cobalt was replaced by Zinc, the cathode electrical impedance of B-site in La0.6Sr0.4(Co1-x Znx)0.2Fe0.8O3-d series was low (0.273、0.240 & 0.15 Ωcm2,800℃). The difference of cathode electrical impedance (Co -> Zn) in the high frequency region was not obvious. However, among middle and low frequency regions, the imbalance of electric charge caused by adopting the valence two Zinc to B-site instead of Cobalt with floating valence created a lot of oxygen vacancies, accelerating the circulation. Electrons were provided by cobalt switching from valence two, three, to four as well, and therefore the electrical impedance of oxygen reduction reaction was low when coexistence of B-site Zinc and Cobalt. The trend of the testing result statistics was the same as that of electrochemical analysis; such as electric current-switched density of Tafel Curve, Polarization Curve, and Cyclic Voltammetry Curve. Among the components of LSCZF, La0.6Sr0.4(Co0.2 Zn0.8)0.2Fe0.8O3-d�� �nperformed the best because the cathode electrical impedance was quite low �v(0.15 Ωcm2,800℃) and the thermal expansion coefficient (13.95 10-6k-1) is lower than LSCZF0.0(16.8 10-6k-1). Additionally the catalysis was significantly imporoved, due to the higher electric current-switched density. The overall performance of La0.6Sr0.4(Co0.2 Zn0.8)0.2Fe0.8O3-d was found to be better than that of the precursor of La0.6Sr0.4Co0.2 Fe0.8O3-�����nand La0.6Sr0.4Zn0.2 Fe0.8O3-���n,and was proposed as an innovative solid oxide Cathode material with good compatibility and catalysis.
Kan, Shih-hsuan, et 甘世暄. « Investigation of Lanthanum Praseodymium Strontium Cobalt Iron Oxide as Cathode Materials for Solid Oxide Fuel Cells ». Thesis, 2007. http://ndltd.ncl.edu.tw/handle/v4nun8.
Texte intégral國立臺灣科技大學
機械工程系
95
The perovskite-structured oxide La0.6Sr0.4Co0.2Fe0.8O3-δ(LSCF) was widely used as cathodic electrode material in SOFC, but, according to the high thermal expansion coefficient, La0.6Sr0.4Co0.2Fe0.8O3-δ need to be modified for better thermal matchness and electrical properties. In this study, praseodymium element which has smaller ionic radius substituted La site and lattice structure, microstructure, thermal expansion coefficient, conductivity, electric over potential, electrochemical reaction and catalysis activation were researched. In order to estimate the durability, the cell was operated under high temperature (800 ℃) for a long time (200 hr) to investigate the performance of cathodic electrode. From the XRD results, the higher praseodymium element doped specimeus posses higher content of am orthorhombic phase and co-exist with a rhombohedra phase in specimen. From the Differential thermal analysis(DTA), Endothermic peaks was not found when the specimeus were tested under dopant quantity of (z) ranging from 0.0 to 0.5 and temperature ranged from 200 to 900 ℃. From thermal mechanical analysis, as the testing temperature raised, thermal expansion increased linearly and ranged in 14.7∼15.98×10-6K-1. The conductivity of LPSCF tested by four-point probe resistance measurement did not affected by Pr doping content in LSCF. While tested under 600 ℃∼800 ℃, the conductivity of LPSCFmaintained at 220 S/cm which is higher than those of LSM and LSF material systems performed. The overpotential behavior and AC impedance analysis of (La0.7Pr0.3)0.6Sr0.4Co0.2Fe0.8O3-δ under 800 ℃ showed the overpotential and polarization resistance of 11.7 mV and 2.3 Ω•cm2, respectively. As the specimens were tested in reduction environment, high density of exchanging current of about 20.05 mA/cm2 was achieved, suggesting that LPSCF provided high cathodic reaction zones junctions and numerous diffusing pathways for oxygen ions to access triple phase boundary. Specimens were tested under 800 ℃ for 200 hours to investigate the decaying condition, the performance of LPSCF, such as thermal expansion coefficient, conductivity, over potential, polarization resistance, catalysis activation and aging ability were superior to those of La0.6Sr0.4Co0.2Fe0.8O3-δ .
GUO, HAN LIN, et 郭翰霖. « The Study of Lithium-Lanthanum-Zirconium-Tantalum Oxide Modification on High Voltage Performance for Lithium Cobalt Oxide Cathode Materials ». Thesis, 2018. http://ndltd.ncl.edu.tw/handle/e7m84a.
Texte intégralBehera, Sukanti. « Thermoelectrics and Oxygen Sensing Studies of Selected Perovskite Oxides ». Thesis, 2016. http://etd.iisc.ernet.in/handle/2005/2975.
Texte intégralChapitres de livres sur le sujet "Lanthanum Cobalt Oxide"
Setz, L. F. G., H. P. S. Correa, C. Yamagata et S. R. H. Mello-Castanho. « Synthesis and Sintering Behavior of Lanthanum Chromite Doped with Strontium and Cobalt for SOFC Interconnect Applications ». Dans Advances in Solid Oxide Fuel Cells III, 237–54. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2009. http://dx.doi.org/10.1002/9780470339534.ch23.
Texte intégralLedford, J. S., M. Houalla, L. Petrakis et D. M. Hercules. « Influence of Lanthanum Oxide on the Surface Structure and Co Hydrogenation Activity of Supported Cobalt Catalysts ». Dans Preparation of Catalysts IV, Proceedings of the Fourth International Symposium, 433–42. Elsevier, 1987. http://dx.doi.org/10.1016/s0167-2991(08)65426-9.
Texte intégralActes de conférences sur le sujet "Lanthanum Cobalt Oxide"
Brüning, B., B. Gries, H. Nakadate et S. Zimmermann. « New Thermal Spray Powders for SOFC Components ». Dans ITSC2011, sous la direction de B. R. Marple, A. Agarwal, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima et A. McDonald. DVS Media GmbH, 2011. http://dx.doi.org/10.31399/asm.cp.itsc2011p0127.
Texte intégralZhang, S. L., C. J. Li, C. X. Li et G. J. Yang. « Liquid Plasma-Sprayed Nanonetwork La0.4Sr0.6Co0.2Fe0.8O3/Ce0.8Gd0.2O2 Composite Cathodes for Intermediate-Temperature Solid Oxide Fuel Cells ». Dans ITSC 2016, sous la direction de A. Agarwal, G. Bolelli, A. Concustell, Y. C. Lau, A. McDonald, F. L. Toma, E. Turunen et C. A. Widener. DVS Media GmbH, 2016. http://dx.doi.org/10.31399/asm.cp.itsc2016p0846.
Texte intégralBhattacharya, R., A. Khanna, B. Bosworth, N. Orloff, V. Gambin, D. Streit, P. Fay et S. Datta. « Thermally Resilient Microwave Switch and Power Limiter based on Insulator-Metal Transition of Lanthanum Cobalt Oxide ». Dans 2022 IEEE International Electron Devices Meeting (IEDM). IEEE, 2022. http://dx.doi.org/10.1109/iedm45625.2022.10019425.
Texte intégralLassman, Alexander, Alevtina Smirnova et Nigel Sammes. « An Investigation of Doped Perovskites Based on La, Pr, and Sm Ferrites as Cathode Materials for Solid Oxide Fuel Cells ». Dans ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/fuelcell2008-65153.
Texte intégralTucker, David, Ayyakkannu Manivannan, Dan Haynes, Harry Abernathy, Nick Miller, Karon Wynne et Angine´s Matos. « Evaluating Methods for Infiltration of LSCF Cathodes With Mixed Electric/Ionic Conductors for Improved Oxygen Exchange ». Dans ASME 2010 8th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2010. http://dx.doi.org/10.1115/fuelcell2010-33214.
Texte intégralHarris, J., et O. Kesler. « Atmospheric Plasma Spraying (APS) Low-Temperature Cathode Materials for Solid Oxide Fuel Cells (SOFCs) ». Dans ITSC2009, sous la direction de B. R. Marple, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima et G. Montavon. ASM International, 2009. http://dx.doi.org/10.31399/asm.cp.itsc2009p0001.
Texte intégralLanzini, A., P. Leone, M. Santarelli, P. Asinari et M. Cali`. « Performance and Degradation Effects of Anode-Supported Cells With LSM and LSCF Cathodes ». Dans ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43421.
Texte intégralAlbrecht, Kevin J., et Robert J. Braun. « Thermodynamic Analysis of Non-Stoichiometric Perovskites as a Heat Transfer Fluid for Thermochemical Energy Storage in Concentrated Solar Power ». Dans ASME 2015 9th International Conference on Energy Sustainability collocated with the ASME 2015 Power Conference, the ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology, and the ASME 2015 Nuclear Forum. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/es2015-49409.
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