Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
180780 | Electrochemistry Communications | 2010 | 4 Pages |
Abstract
This work aimed to set new guidelines for the quantification of Cr accumulation in solid oxide fuel cell cathodes after operation, and enabled to pinpoint a diffusion-controlled tolerance to Cr-poisoning for increased cathode thickness; the additional cathode material decreases the deposition rate from Cr vapor species in the active layer.These experimentally based findings were obtained by direct comparison of cathode performances measured on a segmented test arrangement enabling the independent control of four cathodes, with different thicknesses, on an anode-support. The cathode thickness-dependent performance degradation was correlated to deliberate poisoning by volatile Cr species stemming from the test arrangement.
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Physical Sciences and Engineering
Chemical Engineering
Chemical Engineering (General)
Authors
J. Andreas Schuler, Pietro Tanasini, Aïcha Hessler-Wyser, Christos Comninellis, Jan Van herle,