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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received April 8, 2021
Accepted July 12, 2021
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Three-dimensional numerical investigation on the effect of interconnect design on the performance of internal reforming planar solid oxide fuel cell

Department of Mechanical Engineering, Lahijan Branch, Islamic Azad University, Lahijan, Iran
mborji@liau.ac.ir
Korean Journal of Chemical Engineering, December 2021, 38(12), 2423-2435(13), 10.1007/s11814-021-0902-5
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Abstract

Nowadays SOFCs have received great attention due to its advantages such as; high efficiency, low emission and fuel flexibility. But its high operating temperature entails thermal stresses and gas sealing problems which intrigues researchers to reduce the working temperature via thermal management, improved fluid flow, and proper interconnect and channel design. In this study, a three-dimensional model of a co - flow internal reforming planar anode - supported solid oxide fuel cell has been developed. The simulation results are discussed to investigate the performance of different kinds of SOFC flow passages with rectangular, trapezoidal and triangular channels. Also in this study, the effect of inlet fuel and air velocity on the cell performance of the different interconnect ducts is investigated. The results showed that the effect of channel geometry at high voltages is small while, at low voltages channel geometry has an important effect on cell performance. By increasing inlet fuel velocity and decreasing inlet air velocity for all channel geometries, the current and power density and temperature difference increase. Also it was found that, the cells with rectangular channels have better performance than the cells with trapezoidal and triangular channels.

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