2012
DOI: 10.1016/j.ssi.2012.01.032
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Effect of enhanced reaction area in double layered Ba0.5Sr0.5Co0.8Fe0.2O3–δ cathode for intermediate temperature solid oxide fuel cells

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Cited by 13 publications
(14 citation statements)
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“…These measurements have been performed using point electrodes [5,6,15,18,[52][53][54], porous electrodes in a symmetrical cell [55][56][57][58][59], or three-electrode setup [60][61][62].…”
Section: Introductionmentioning
confidence: 99%
“…These measurements have been performed using point electrodes [5,6,15,18,[52][53][54], porous electrodes in a symmetrical cell [55][56][57][58][59], or three-electrode setup [60][61][62].…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, intensive investigations have been carried out to reduce the operating temperature. Unfortunately, this is not an easy solution because severe problems such as increased electrode and electrolyte resistance are encountered as the temperature becomes lower [3,8,9]. The polarization resistance in the cathode side, in particular, is dominantly increased with the decrease of the operating temperature.…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, structural modification of the cathode, e.g. bi-layer cathode [3,5,8,10], functionally gradient [11e13] and nano-scaled cathode [14,15] has been examined by many research groups. We have also reported that the electrochemical performance of the SOFC is appreciably improved when a double layer cathode [3], nano-porous at the interface between electrolyte and electrode and micro-porous near to the surface, and particle embedded fiber cathodes [9] are employed.…”
Section: Introductionmentioning
confidence: 99%
“…The most commonly used parameter to determine the species involved in the rate determining step (RDS) of each resistance arc in the impedance response of cathode materials [19,155] is the power (m) law dependence on pO 2 (Equation 2.41) and numerous examples exist in the literature [81,[156][157][158][159][160][161] .…”
Section: Assignment Of Arcs In Cathode Processesmentioning
confidence: 99%
“…In addition, the thickness of the deposited cathode ink can also be another key parameter in the preparation of symmetrical cells. It has been recently demonstrated [158] that in the case of the parent BSCF deposited on GDC (Gd 0.2 Ce 0.8 O 1.9 ) electrolyte by electrostatic slurry spray deposition, the polarisation resistance at 500 °C and the associated activation energy at the temperature range 500-950 o C were about 61% and 22% lower when two layers of BSCF cathode coating (thickness about 25 μm) were applied to the electrolyte substrate, compared to one layer.…”
Section: Optimisation Of Symmetrical Cells Fabrication-key Parametersmentioning
confidence: 99%