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CLC number: TM911

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Received: 2007-04-30

Revision Accepted: 2007-07-26

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Cited: 3

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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.9 P.1500~1504

http://doi.org/10.1631/jzus.2007.A1500


Studying on the increasing temperature in IT-SOFC: Effect of heat sources


Author(s):  ZITOUNI Bariza, BEN MOUSSA Hocine, OULMI Kafia

Affiliation(s):  Laboratore d’ more

Corresponding email(s):   H2SOFC@gmail.com

Key Words:  IT-SOFC, Thermo-electrical, Joule effect, Activation energy, Temperature, Voltage, Geometric configuration


ZITOUNI Bariza, BEN MOUSSA Hocine, OULMI Kafia. Studying on the increasing temperature in IT-SOFC: Effect of heat sources[J]. Journal of Zhejiang University Science A, 2007, 8(9): 1500~1504.

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Abstract: 
The dimensions and the materials type limit the performance of fuel cell. The increase of the temperature in electrodes and electrolyte of the cell, is due to the over potential of activation (transfer of load), the over potential Ohmic (resistance of polarization), the over potential of reaction (heat released by the chemical reaction) and the over potential of diffusion. In this paper, we studied the thermo-electrical performance of an intermediate temperature solid oxide fuel cell (IT-SOFC) with electrode supported. The aim of this work is to study this increasing temperature of a single cell of an IT-SOFC under the influence of the following parameters: heat sources, functioning temperature and voltages of the cell, geometric configuration and materials type. The equation of energy in one dimension is numerically resolved by using the method of finite volumes. A computing program (FORTRAN) is developed locally for this purpose in order to obtain fields of temperature in every element of the cell.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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[3] Briois, P., 2005. Synthèse par Pulvérisation Cathodique et Caractérisation D’électrolyte Solides en Couche Minces Pour Piles à Combustible à Oxyde Solide (SOFC) Fonctionnant à Température Intermédiaire. Ph.D Thesis, Institut National Polytechnique de Lorraine (INPL), Nancy, France.

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[8] Leah, R.T., Brandon, N.P., Aguiar, P., 2005. Modelling of cells, stacks and systems based around metal-supported planar IT-SOFC cells with CGO electrolytes operating at 500~600 °C. Journal of Power Sources, 145(2):336-352.

[9] LeMasters, J., 2004. Master of Science in Mechanical Engineering. Thermal Stress Analyses of LCA-based Solid Oxide Fuel Cells. Georgia Institute of Technology.

[10] Verbraeken, M., 2005. Advanced Supporting Anodes for Solid Oxide Fuel Cells. Master Thesis, Faculty of Science and Technology, University of Twente.

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