2017
DOI: 10.1590/s1517-707620170001.0132
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Abstract: Films of lanthanum strontium manganite, LSM (La 0.8 Sr 0.2 MnO 3 ) were deposited on yttria stabilized zirconia (YSZ) substrates by different methods aiming to establish the most suitable route to prepare cathodes for solid oxide fuel cells (SOFC). Samples were obtained by using a solution of lanthanum, strontium and manganese nitrates or a dispersion of the LSM powder in this solution. Both commercial and synthetized LSM powders were used, the last one obtained by amorphous citrate method. The films were depo… Show more

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Cited by 5 publications
(4 citation statements)
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References 30 publications
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“…As a result, perovskite-structured materials have become popular as cathode materials in SOFCs. Lanthanum strontium manganite (LSM) is the most promising cathode for high-temperature SOFC [14]. Nonetheless, because of its high activation energy for ORR, LSM cathode exhibits high polarization resistance at low temperatures and is thus unsuitable for intermediate temperature (IT) SOFCs below 800 °C [15].…”
Section: Different Types Of Perovskite-based Cathode Materials For Sofcsmentioning
confidence: 99%
“…As a result, perovskite-structured materials have become popular as cathode materials in SOFCs. Lanthanum strontium manganite (LSM) is the most promising cathode for high-temperature SOFC [14]. Nonetheless, because of its high activation energy for ORR, LSM cathode exhibits high polarization resistance at low temperatures and is thus unsuitable for intermediate temperature (IT) SOFCs below 800 °C [15].…”
Section: Different Types Of Perovskite-based Cathode Materials For Sofcsmentioning
confidence: 99%
“…A list of various cathode materials used in SOFCs is presented in Figure 2 . The most promising cathode for high-temperature SOFC is strontium-doped lanthanum manganite (LSM) [ 15 ]. However, the LSM cathode shows high polarization resistance at a reduced temperature because of its high activation energy for ORR, making it unsuitable for intermediate-temperature (IT) SOFCs below 800 °C [ 16 ].…”
Section: Introductionmentioning
confidence: 99%
“…Manganese oxides (Mn 1-x O, MnO 2 , Mn 2 O 3 , Mn 3 O 4 , Mn 5 O 8 , etc.) present remarkable technological importance due to their diverse crystalline structures, many of them constituted by tunnels, that is a direct consequence of the varied oxidation states presented by Mn (2+ to 7+) which give them important applications such as in energy storage devices, fuel cells components and supercapacitor optimization [1][2][3][4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%