2000
DOI: 10.1016/s0167-2738(00)00654-8
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Electrochemical properties of a SOFC cathode in contact with a chromium-containing alloy separator

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Cited by 200 publications
(134 citation statements)
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“…After current switch off the WE relaxed to a state with an initially significantly lower overpotential upon switching on the current. Similar transient recovery of the WE performance after a current interruption has been also observed for LSM cathode in the presence of Cr-based interconnect [24,25].…”
Section: : Evolution Of the Cathode Overpotential η With Time For Thesupporting
confidence: 76%
See 1 more Smart Citation
“…After current switch off the WE relaxed to a state with an initially significantly lower overpotential upon switching on the current. Similar transient recovery of the WE performance after a current interruption has been also observed for LSM cathode in the presence of Cr-based interconnect [24,25].…”
Section: : Evolution Of the Cathode Overpotential η With Time For Thesupporting
confidence: 76%
“…This leads to performance deterioration over time [9][10][11][12][13][23][24][25][26]. However, so far no consensus has been reached in literature re-1.5 Cr-poisoning of SOFC cathodes garding the nature of Cr deposition and the interaction with the cathode materials.…”
Section: Cr-poisoning Mechanism -General Viewmentioning
confidence: 99%
“…Esto se ha observado por diferentes grupos, en el lado del cátodo de una SOFC, al utilizar como interconectores aleaciones formadoras del óxido Cr 2 O 3 junto con electrolitos sólidos de ZrO 2 dopado con Y 2 O 3 (YSZ) y el cermet LSM como cátodo 34,35,36 . Esto se atribuye a la vaporización de Cr 2 O 3 de la superficie del interconector en forma de especies gaseosas de CrO 3 (g) o CrO 2 (OH) 2 (g), en un estado de oxidación de 6+ respecto al cromo.…”
Section: Envenenamiento Por Cromounclassified
“…Reducing the thickness of the conventional yttriastabilized zirconia (YSZ) electrolyte results in decreasing ohmic resistance. [7][8][9] On the other hand, one can use alternative electrolyte materials having a larger ionic conductivity than YSZ at intermediate temperatures, such as Gd-or Sm-doped ceria 10,11 or Sr-and Mg-doped lanthanum gallate. [12][13][14][15] Innovative electrolytes are materials whose properties have not yet been fully investigated for practical applications.…”
Section: Introductionmentioning
confidence: 99%