Enhancing Thermo-Electrical Performance of Solid Oxide Fuel Cells through Multi-Channel Cooling System Analysis

Document Type : Research Article

Authors

1 Department of Mechanical Engineering, Faculty of Engineering, University of Zanjan, Zanjan, Iran.

2 Department of Mechanical Engineering, Faculty of Engineering, University of Zanjan, Zanjan, Iran

Abstract

Thermal stresses in solid oxide fuel cells, caused by differential expansion during thermal cycling and coefficient of thermal expansion mismatches, lead to material degradation, cracking, voltage instability, and reduced reliability, hindering commercial viability. This study introduces a novel six-channel active cooling system for solid oxide fuel cells, aimed at lowering peak temperatures, improving thermal uniformity, and stabilizing voltage output. Using three dimensional numerical simulations with hydrogen/water vapor and oxygen/nitrogen as reactants, it systematically examines how cooling parameters such as flow rate, temperature, and flow configuration affect electrochemical performance. Key results demonstrate that co-current cooling (600 K, 1×10⁻⁶ kg/s) reduces peak temperature by 9% (to 1387 K) but at the cost of a 133% increase in temperature non-uniformity and a 55% voltage drop due to elevated overpotentials. Conversely, counter-current cooling (1000 K, same flow rate) achieves a more balanced performance, lowering peak temperature by 6% (to 1389.11 K) while reducing non-uniformity by 21.5% and increasing output voltage by 5.5% (0.2933 V). A critical finding is that excessive cooling (1×10⁻⁵ kg/s) leads to premature voltage collapse, with co-current flows failing at lower current densities (e.g., 9800 A/m² at 600 K) compared to counter-current configurations. This study pioneers an active cooling optimization framework for solid oxide fuel cells, demonstrating how precisely adjusted cooling parameters balance thermal control with electrochemical efficiency.

Keywords

Main Subjects

References

[1] L.-K. Chiang, H.-C. Liu, Y.-H. Shiu, C.-H. Lee, R.-Y.J.R.E. Lee, Thermo-electrochemical and thermal stress analysis for an anode-supported SOFC cell, 33(12) (2008) 2580-2588.
[2] H. Huo, K. Xu, L. Cui, H. Zhang, J. Xu, X. Kuang, Temperature gradient control of the solid oxide fuel cell under variable load, ACS omega, 6(42) (2021) 27610-27619.
[3] C. Schluckner, V. Subotić, S. Preißl, C. Hochenauer, Numerical analysis of flow configurations and electrical contact positions in SOFC single cells and their impact on local effects, International Journal of Hydrogen Energy, 44(3) (2019) 1877-1895.
[4] Z. Zeng, Y. Qian, Y. Zhang, C. Hao, D. Dan, W. Zhuge, A review of heat transfer and thermal management methods for temperature gradient reduction in solid oxide fuel cell (SOFC) stacks, Applied Energy, 280 (2020) 115899.
[5] Y. Ji, K. Yuan, J. Chung, Y.-C.J.J.o.P.S. Chen, Effects of transport scale on heat/mass transfer and performance optimization for solid oxide fuel cells, 161(1) (2006) 380-391.
[6] V.A. Danilov, M.O. Tade, A CFD-based model of a planar SOFC for anode flow field design, International Journal of Hydrogen Energy, 34(21) (2009) 8998-9006.
[7] R.M. Manglik, Y.N. Magar, Heat and mass transfer in planar anode-supported solid oxide fuel cells: effects of interconnect fuel/oxidant channel flow cross section, Journal of Thermal Science and Engineering Applications, 7(4) (2015) 041003.
[8] Q. Shen, L. Sun, B. Wang, Numerical simulation of the effects of obstacles in gas flow fields of a solid oxide fuel cell, International Journal of Electrochemical Science, 14(2) (2019) 1698-1712.
[9] R. Kumar, A. Veeresh Babu, S.H. Sonawane, Performance evaluation of a trapezoidal interconnector configuration of solid oxide fuel cell: A numerical study, International Journal of Energy Research, 46(14) (2022) 19710-19722.
[10] J. Fan, J. Shi, R. Zhang, Y. Wang, Y. Shi, Numerical study of a 20-cell tubular segmented-in-series solid oxide fuel cell, Journal of Power Sources, 556 (2023) 232449.
[11] C. Gong, Z. Tu, S.H. Chan, A novel flow field design with flow re-distribution for advanced thermal management in Solid oxide fuel cell, Applied Energy, 331 (2023) 120364.
[12] W. Lee, M. Lang, R. Costa, I.-S. Lee, Y.-S. Lee, J. Hong, Enhancing uniformity and performance in Solid Oxide Fuel Cells with double symmetry interconnect design, Applied Energy, 381 (2025) 125178.
[13] Y. Inui, N. Ito, T. Nakajima, A.J.E.C. Urata, Management, Analytical investigation on cell temperature control method of planar solid oxide fuel cell, 47(15-16) (2006) 2319-2328.
[14] Y. Li, H. Yan, Z. Zhou, W.T.J.I.J.o.E.R. Wu, Three‐dimensional nonisothermal modeling of solid oxide fuel cell coupling electrochemical kinetics and species transport, 43(13) (2019) 6907-6921.
[15] S. Sugihara, H. Iwai, Experimental investigation of temperature distribution of planar solid oxide fuel cell: effects of gas flow, power generation, and direct internal reforming, International Journal of Hydrogen Energy, 45(46) (2020) 25227-25239.
[16] E. Guk, V. Venkatesan, S. Babar, L. Jackson, J.-S. Kim, Parameters and their impacts on the temperature distribution and thermal gradient of solid oxide fuel cell, Applied Energy, 241 (2019) 164-173.
[17] J. Kupecki, K. Motylinski, A. Zurawska, M. Kosiorek, L. Ajdys, Numerical analysis of an SOFC stack under loss of oxidant related fault conditions using a dynamic non-adiabatic model, International Journal of Hydrogen Energy, 44(38) (2019) 21148-21161.
[18] D.H. Kim, Y. Bae, S. Lee, J.-W. Son, J.H. Shim, J. Hong, Thermal analysis of a 1-kW hydrogen-fueled solid oxide fuel cell stack by three-dimensional numerical simulation, Energy Conversion and Management, 222 (2020) 113213.
[19] Q. Xu, M. Guo, L. Xia, Z. Li, Q. He, D. Zhao, K. Zheng, M. Ni, Temperature gradient analyses of a tubular solid oxide fuel cell fueled by methanol, Transactions of Tianjin University, 29(1) (2023) 14-30.
[20] H. Jian, C. Hao, Z. Zeng, Y. Zhang, G. Wei, H. Jiang, Y. Qian, W. Zhuge, Y. Zhang, Reconstructing the distributions of temperature and temperature gradient of the solid oxide fuel cell based on several local temperatures, Applied Thermal Engineering, 272 (2025) 126458.
[21] C. Lin, F. Kerscher, S. Herrmann, B. Steinrücken, H. Spliethoff, Analysis on temperature uniformity in methane-rich internal reforming solid oxide fuel cells (SOFCs), International Journal of Hydrogen Energy, 57 (2024) 769-788.
[22] N. Akhtar, S.P. Decent, D. Loghin, K. Kendall, A three-dimensional numerical model of a single-chamber solid oxide fuel cell, International Journal of Hydrogen Energy, 34(20) (2009) 8645-8663.
[23] H. Zhu, R.J. Kee, Modeling electrochemical impedance spectra in SOFC button cells with internal methane reforming, Journal of The Electrochemical Society, 153(9) (2006) A1765.
[24] C.-Y. Wang, Fundamental models for fuel cell engineering, Chemical reviews, 104(10) (2004) 4727-4766.
[25] T. Berning, N. Djilali, Three-dimensional computational analysis of transport phenomena in a PEM fuel cell—a parametric study, Journal of Power Sources, 124(2) (2003) 440-452.
[26] B.R. Sivertsen, N. Djilali, CFD-based modelling of proton exchange membrane fuel cells, Journal of Power Sources, 141(1) (2005) 65-78.
[27] R. Taylor, R. Krishna, Multicomponent mass transfer, John Wiley & Sons, 1993.
[28] S.A. Hajimolana, M.A. Hussain, M. Soroush, W. Wan Daud, M. Chakrabarti, Modeling of a Tubular‐SOFC: The Effect of the Thermal Radiation of Fuel Components and CO Participating in the Electrochemical Process, Fuel Cells, 12(5) (2012) 761-772.
[29] X. Xue, J. Tang, N. Sammes, Y. Du, Dynamic modeling of single tubular SOFC combining heat/mass transfer and electrochemical reaction effects, Journal of power sources, 142(1-2) (2005) 211-222.
[30] K. Daun, S. Beale, F. Liu, G.J.J.o.P.S. Smallwood, Radiation heat transfer in planar SOFC electrolytes, 157(1) (2006) 302-310.
[31] V.M. Janardhanan, O. Deutschmann, Numerical study of mass and heat transport in solid-oxide fuel cells running on humidified methane, Chemical Engineering Science, 62(18-20) (2007) 5473-5486.
[32] M. Saied, K. Ahmed, M. Ahmed, M. Nemat-Alla, M. El-Sebaie, Investigations of solid oxide fuel cells with functionally graded electrodes for high performance and safe thermal stress, international journal of hydrogen energy, 42(24) (2017) 15887-15902.
[33] Z. Zhang, J. Chen, D. Yue, G. Yang, S. Ye, C. He, W. Wang, J. Yuan, N. Huang, Three-dimensional CFD modeling of transport phenomena in a cross-flow anode-supported planar SOFC, Energies, 7(1) (2013) 80-98.
[34] M. Xu, T.S. Li, M. Yang, M. Andersson, I. Fransson, T. Larsson, B. Sundén, Modeling of an anode supported solid oxide fuel cell focusing on thermal stresses, International Journal of Hydrogen Energy, 41(33) (2016) 14927-14940.
[35] V.A. Danilov, M.O. Tade, A new technique of estimating anodic and cathodic charge transfer coefficients from SOFC polarization curves, international journal of hydrogen energy, 34(16) (2009) 6876-6881.
[36] J. Gazzarri, O. Kesler, Non-destructive delamination detection in solid oxide fuel cells, Journal of power sources, 167(2) (2007) 430-441.
[37] G.F. Naterer, C. Tokarz, J. Avsec, Fuel cell entropy production with ohmic heating and diffusive polarization, International journal of heat and mass transfer, 49(15-16) (2006) 2673-2683.
[38] D. Saebea, S. Authayanun, Y. Patcharavorachot, N. Chatrattanawet, A. Arpornwichanop, Electrochemical performance assessment of low-temperature solid oxide fuel cell with YSZ-based and SDC-based electrolytes, International Journal of Hydrogen Energy, 43(2) (2018) 921-931.
[39] F. Qiang, K. Sun, N. Zhang, X. Zhu, S. Le, D. Zhou, Characterization of electrical properties of GDC doped A-site deficient LSCF based composite cathode using impedance spectroscopy, Journal of power sources, 168(2) (2007) 338-345.
[40] O.A. Marina, L.R. Pederson, M.C. Williams, G.W. Coffey, K.D. Meinhardt, C.D. Nguyen, E.C. Thomsen, Electrode performance in reversible solid oxide fuel cells, Journal of the Electrochemical Society, 154(5) (2007) B452.
[41] K. Miyoshi, T. Miyamae, H. Iwai, M. Saito, M. Kishimoto, H. Yoshida, Exchange current model for (La0. 8Sr0. 2) 0.95 MnO3 (LSM) porous cathode for solid oxide fuel cells, Journal of Power Sources, 315 (2016) 63-69.
[42] A.V. Akkaya, Electrochemical model for performance analysis of a tubular SOFC, International Journal of Energy Research, 31(1) (2007) 79-98.
[43] K.L. Christman, M.K. Jensen, Solid oxide fuel cell performance with cross-flow roughness, Journal of Electrochemical Energy Conversion and Storage, 8(2) (2011) 024501.
AUT Journal of Mechanical Engineering
Volume 10, Issue 2
April 2026
Pages 179-198

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