Mechanical failure, or cathode delamination, induces performance degradation in solid oxide fuel cells (SOFCs). Thermal imaging may provide a powerful tool for monitoring SOFC electrode processes, but, due to the typical design of pellet-type cells, a direct optical access to the electrode surface is usually prevented. In this paper, a specially designed SOFC is introduced, that allows temperature distribution to be measured while still preserving electrochemical performance. A case study is also presented, highlighting the effectiveness of infrared thermal imaging in detecting the onset of cell failure during normal operation.
Infrared thermography applied to solid oxide fuel cells at operating temperatures
MONTANINI, Roberto;QUATTROCCHI, ANTONINO;
2015-01-01
Abstract
Mechanical failure, or cathode delamination, induces performance degradation in solid oxide fuel cells (SOFCs). Thermal imaging may provide a powerful tool for monitoring SOFC electrode processes, but, due to the typical design of pellet-type cells, a direct optical access to the electrode surface is usually prevented. In this paper, a specially designed SOFC is introduced, that allows temperature distribution to be measured while still preserving electrochemical performance. A case study is also presented, highlighting the effectiveness of infrared thermal imaging in detecting the onset of cell failure during normal operation.File | Dimensione | Formato | |
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