Integrated thermal engineering analyses with heat transfer at periphery of planar solid oxide fuel cell

This paper focuses on the thermal engineering design and analysis of solid oxide fuel cell (SOFC) units, with emphasis on cell performance and component design. In engineering practice, insulation materials would be deployed as the enclosure of an SOFC stack to reduce the heat loss to the environmen...

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Veröffentlicht in:Journal of power sources 2005-01, Vol.139 (1), p.126-140
Hauptverfasser: Chyou, Yau-Pin, Chung, Tsang-Dong, Chen, Jong-Sheng, Shie, Ri-Fong
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container_end_page 140
container_issue 1
container_start_page 126
container_title Journal of power sources
container_volume 139
creator Chyou, Yau-Pin
Chung, Tsang-Dong
Chen, Jong-Sheng
Shie, Ri-Fong
description This paper focuses on the thermal engineering design and analysis of solid oxide fuel cell (SOFC) units, with emphasis on cell performance and component design. In engineering practice, insulation materials would be deployed as the enclosure of an SOFC stack to reduce the heat loss to the environment. In this work, a computational methodology has been implemented to characterize the thermal engineering performance of a planar SOFC. The present calculation procedure integrates the steady-sate electrochemical reactions of the SOFC with finite-element models for thermo-mechanical analyses of the interconnect through iteration processes, so that a unified temperature distribution with heat loss effect can be obtained. Present results show that the convergent rate of the adopted methodology is quite efficient, and that the temperature patterns are compatible with those reported in the literature. Furthermore, this work has also developed a bulk heat-transfer model for simplified design analysis. The concept of total heat resistance is employed to facilitate the one-dimensional (1D) analyses and to determine the predominant parameters that affect heat-transfer behaviour. Moreover, some accommodation factors have been deduced to correlate the 1D results of lateral heat transfer with those of two-dimensional (2D) finite-element analyses, as this will be beneficial for rapid prototyping processes.
doi_str_mv 10.1016/j.jpowsour.2004.07.001
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source Elsevier ScienceDirect Journals Complete
subjects Applied sciences
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Electrochemical model
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
Finite element analysis
Fuel cells
Heat transfer
Heat-transfer mechanism
Solid oxide fuel cell
Theoretical studies. Data and constants. Metering
Thermal engineering practice
Thermal insulation
title Integrated thermal engineering analyses with heat transfer at periphery of planar solid oxide fuel cell
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