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Evaluation of a Non‐sealed Solid Oxide Fuel Cell Stack with Cells Embedded in Plane Configuration
Author(s) -
Tian Y.,
Lü Z.,
Wei B.,
Zhu X.,
Li W.,
Wang Z.,
Pan W.,
Su W.
Publication year - 2012
Publication title -
fuel cells
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.485
H-Index - 69
eISSN - 1615-6854
pISSN - 1615-6846
DOI - 10.1002/fuce.201200038
Subject(s) - stack (abstract data type) , anode , cathode , materials science , solid oxide fuel cell , open circuit voltage , polarization (electrochemistry) , maximum power principle , volumetric flow rate , nuclear engineering , fuel cells , voltage , oxide , optoelectronics , analytical chemistry (journal) , current collector , power (physics) , chemical engineering , electrical engineering , electrode , chemistry , computer science , chromatography , mechanics , physics , thermodynamics , engineering , battery (electricity) , metallurgy , programming language
A non‐sealed solid oxide fuel cell stack with cells embedded in plane configuration was fabricated and operated successfully in a box‐like stainless‐steel chamber. For a two‐cell stack, it demonstrated an open circuit voltage (OCV) of 2.13 V and a maximum power output of 569 mW at the flow rate of 67 sccm CH 4 and 33 sccm O 2 . A fuel utilization of 4.16% was obtained. The cell performance was dominated by two different mechanisms, the polarization of the cathode at low current and the concentration polarization of the anode at high current. Finally, a scaled‐up stack with six cells in series generated an OCV of 6.4 V and a maximum power output of 8.18 W.
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