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| Typ | Amount | VAT | Currency | Share | Status | Cost centre |
| Hybrid-OA | 3530.00 | 0.00 | EUR | 100.00 % | (Zahlung angewiesen) | E6610009 |
| Sum | 3530.00 | 0.00 | EUR | |||
| Total | 3530.00 |
| Journal Article | FZJ-2023-04272 |
; ; ; ; ; ;
2023
Elsevier
New York, NY [u.a.]
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Please use a persistent id in citations: doi:10.1016/j.electacta.2023.143275 doi:10.34734/FZJ-2023-04272
Abstract: This paper introduces a novel coupled region-to-region numerical procedure for electric field potential calculations. A conventional segregated scheme is also introduced to illustrate the coupling issues that exist in performance calculations in electrochemical devices. Numerical simulations are conducted for a solid oxide cell operating in both fuel cell and electrolysis modes. The cell performance is predicted with both segregated and coupled methods. A comparison between the coupled and segregated schemes shows that the former greatly outperforms the latter, reducing convergence times (from 5000 to 300 iterations) and improving stability. A smaller coupling coefficient contributes to the convergence as well, however, less markedly. The coupled region-to-region approach may readily be applied to numerous other scenarios, e.g., heat transfer problems between multiple phases and regions.
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