2012
DOI: 10.1007/s10008-012-1702-y
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Electrochemical evaluation of La2NiO4+δ -based composite electrodes screen-printed on Ce0.8Sm0.2O1.9 electrolyte

Abstract: La 2 NiO 4+δ , 60 wt.% La 2 NiO 4+δ -40 wt.% La 0.6 Sr 0.4 Co 0.2 Fe 0.8 O 3-δ , and 60 wt.% La 2 NiO 4+δ -40 wt.% Ce 0.8 Sm 0.2 O 1.9 electrodes were prepared from fine powders on dense Ce 0.8 Sm 0.2 O 1.9 electrolyte substrates by screenprinting technique. Electrochemical impedance spectroscopy and chronopotentiometry techniques were employed to evaluate the electrochemical properties of the composite electrodes in comparison with the La 2 NiO 4+δ electrode. For the three electrodes, main electrode processes… Show more

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Cited by 37 publications
(17 citation statements)
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“…This compares favourably with literature data and is believed to be the best performance for electrodes of this class. These ASR values are lower than that quoted for L2N1 [27,28]; a copper-doped phase La 2 Ni 0.6 Cu 0.4 O 4þd [26]; L3N2 [11]; and the various LaeNi electrodes discussed in a recent review [2]. Fig.…”
Section: Electrochemical Testingcontrasting
confidence: 58%
“…This compares favourably with literature data and is believed to be the best performance for electrodes of this class. These ASR values are lower than that quoted for L2N1 [27,28]; a copper-doped phase La 2 Ni 0.6 Cu 0.4 O 4þd [26]; L3N2 [11]; and the various LaeNi electrodes discussed in a recent review [2]. Fig.…”
Section: Electrochemical Testingcontrasting
confidence: 58%
“…[ 278 ] The performance of a cell with a composite electrode composed of 80 facilitate the charge transfer process. [ 290 ] In a following study, Pérez-Coll et al found that the polarization resistance of pure La 2 NiO 4 electrode reduced substantially once a DC cathodic current polarization was applied, and the performance became comparable to the La 2 NiO 4 -SDC composite electrode, which did not show an apparent positive performance improvement under polarization. [ 280 ] But the performance improvement from the polarization disappeared once the polarization was removed.…”
Section: Ruddlesden-popper-type Metal Oxidesmentioning
confidence: 95%
“…SmSFCr electrodes were prepared onto the electrolyte substrates by a screen printing technique. The fabrication procedure, configuration, and geometrical factors of the half cells were almost identical to those described in our earlier publication except for varied working electrodes …”
Section: Methodsmentioning
confidence: 99%