Skip to main content

Lund University Publications

LUND UNIVERSITY LIBRARIES

Three-Dimensional Design Optimization Of An Anode-Supported SOFC Using FEM

Andersson, Martin LU ; Yuan, Jinliang LU and Sundén, Bengt LU (2013) 57(1). p.2485-2494
Abstract
Abstract in Undetermined
Solid oxide fuel cells (SOFCs) are promising as energy producing devices, which at this stage of development will require extensive analysis and benefit from numerical modeling. A 3D model is developed based on the FEM for a single cell planar SOFC design optimization. Ion, electron, heat, gas-phase species and momentum transport equations are implemented and coupled to the kinetics of electrochemical reactions. High current density spots are identified, where the electron transport distance is short and the oxygen concentration is high. The relatively thin cathode results in a significant oxygen mole fraction gradient in the direction normal to the main flow direction. The electron transport especially within... (More)
Abstract in Undetermined
Solid oxide fuel cells (SOFCs) are promising as energy producing devices, which at this stage of development will require extensive analysis and benefit from numerical modeling. A 3D model is developed based on the FEM for a single cell planar SOFC design optimization. Ion, electron, heat, gas-phase species and momentum transport equations are implemented and coupled to the kinetics of electrochemical reactions. High current density spots are identified, where the electron transport distance is short and the oxygen concentration is high. The relatively thin cathode results in a significant oxygen mole fraction gradient in the direction normal to the main flow direction. The electron transport especially within the cathode is found to be limiting for the electrochemical reactions at positions far from the channel walls (interconnect ribs). It is concluded that an increased pore size in the cathode support layer increases the current density more than an increased pore size in the anode support layer. (Less)
Please use this url to cite or link to this publication:
author
; and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
host publication
ECS Transactions
volume
57
issue
1
pages
10 pages
publisher
ECS
external identifiers
  • wos:000338989004056
  • scopus:84905025750
ISSN
1938-6737
1938-5862
DOI
10.1149/05701.2485ecst
language
English
LU publication?
yes
id
74f7ea8c-3db2-4774-836a-1ccde1438d93 (old id 4016589)
date added to LUP
2016-04-01 09:59:23
date last changed
2024-01-06 05:01:24
@inproceedings{74f7ea8c-3db2-4774-836a-1ccde1438d93,
  abstract     = {{Abstract in Undetermined<br/>Solid oxide fuel cells (SOFCs) are promising as energy producing devices, which at this stage of development will require extensive analysis and benefit from numerical modeling. A 3D model is developed based on the FEM for a single cell planar SOFC design optimization. Ion, electron, heat, gas-phase species and momentum transport equations are implemented and coupled to the kinetics of electrochemical reactions. High current density spots are identified, where the electron transport distance is short and the oxygen concentration is high. The relatively thin cathode results in a significant oxygen mole fraction gradient in the direction normal to the main flow direction. The electron transport especially within the cathode is found to be limiting for the electrochemical reactions at positions far from the channel walls (interconnect ribs). It is concluded that an increased pore size in the cathode support layer increases the current density more than an increased pore size in the anode support layer.}},
  author       = {{Andersson, Martin and Yuan, Jinliang and Sundén, Bengt}},
  booktitle    = {{ECS Transactions}},
  issn         = {{1938-6737}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{2485--2494}},
  publisher    = {{ECS}},
  title        = {{Three-Dimensional Design Optimization Of An Anode-Supported SOFC Using FEM}},
  url          = {{https://lup.lub.lu.se/search/files/1455125/4091868.pdf}},
  doi          = {{10.1149/05701.2485ecst}},
  volume       = {{57}},
  year         = {{2013}},
}