TY - JOUR ID - 524 TI - Three-dimensional modeling of transport phenomena in a planar anode-supported solid oxide fuel cell JO - Hydrogen, Fuel Cell & Energy Storage JA - HFE LA - en SN - 2980-8537 AU - Mohammad Ebrahimi, Iman AU - Eikani *, Mohammad H. AD - Department of Chemical Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran AD - Department of Chemical Technologies, Iranian Research Organization for Science and Technology (IROST) Y1 - 2017 PY - 2017 VL - 4 IS - 1 SP - 37 EP - 52 KW - Solid Oxide Fuel Cells KW - Anode-supported KW - Modeling KW - Radiation heat transfer KW - Optimization simulation DO - 10.22104/ijhfc.2017.2342.1144 N2 - In this article three dimensional modeling of a planar solid oxide fuel cell (SOFC) was investigated. The main objective was to attain the optimized cell operation. SOFC operation simulation involves a large number of parameters,   complicated equations, (mostly partial differential equations), and a sophisticated simulation technique; hence, a finite element method (FEM) multiphysics approach was employed. This can provide 3D localized information within the fuel cell. In this article, SOFC efficiency improvement has been investigated based on optimization parameters.   For the first time, radiation heat transfer equations were considered in addition to the effects of conduction and convection heat transfer in 3D simulation in a planar cell. This effect has been neglected in all previous SOFCs simulations. Based on the proposed equations, the emissivity effect on temperature distribution was studied.  The maximum location is where temperature and hydrogen mass fraction are high in the fuel. Radiation heat transfer between the channel wall and the fluid and also in between the cell and ambient outside have been employed. Minimizing the ohmic drop by optimizing the cathode layer thickness is another new aspect in this research. According to this optimization simulation, it is possible to achieve maximum current density. UR - https://hfe.irost.ir/article_524.html L1 - https://hfe.irost.ir/article_524_b9997efd79f2a584a90bfeeb8b745977.pdf ER -