Energies 2014, 7(7), 4601-4613; https://doi.org/10.3390/en7074601
Electrical Performance and Carbon Deposition Differences between the Bi-Layer Interconnector and Conventional Straight Interconnector Solid Oxide Fuel Cell
1
Key Laboratory of Thermo-Fluid Science and Engineering, Ministry of Education, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China
2
Nuclear Safety Technology Research Center, Suzhou Nuclear Power Institute, Xihuan Road 1788#, Suzhou 215004, Jiangsu, China
3
Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24060, USA
*
Author to whom correspondence should be addressed.
Received: 20 May 2014 / Revised: 7 July 2014 / Accepted: 16 July 2014 / Published: 22 July 2014
(This article belongs to the Special Issue Reacting Transport Phenomena in Solid Oxide Fuel Cells)
Abstract
Carbon deposition considered in a solid oxide fuel cell (SOFC) model may be influenced by the operating voltage, inlet water/methane ratio, working temperature and pressure, inlet molar fraction of fuel and so on. The effects of these parameters in a planar SOFC implementing a novel bi-layer interconnector are not well understood. This paper is focused on the numerical study of carbon deposition and electrical performance of a bi-layer interconnector planar SOFC. The results illustrate that the electrical performance of the bi-layer interconnector SOFC is 11% higher than that of the conventional straight interconnector SOFC with initial state. After 120 days of operation, the electrical performance of the bi-layer interconnector SOFC has a slight decrease and more carbon deposit because of the increased electrochemical reaction rate. However, these differences minimize if higher operating voltages are involved. View Full-TextKeywords:
planar SOFC; bi-layer interconnector; electrical performance; carbon deposition; conventional SOFC
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Yan, M.; Fu, P.; Chen, Q.; Wang, Q.; Zeng, M.; Pandit, J. Electrical Performance and Carbon Deposition Differences between the Bi-Layer Interconnector and Conventional Straight Interconnector Solid Oxide Fuel Cell. Energies 2014, 7, 4601-4613.
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