...Gabriel M. Cavalheiro; Takuto Iriyama; George J. Nelson; Shan Huang; Guangsheng Zhang The effects of nonuniform temperature distribution on the degradation of lithium-ion (Li-ion) batteries are investigated in this study. A Li-ion battery stack consisting of five 3 Ah pouch cells connected...

... induction heat transfer induction heating solid oxide fuel cells stainless steel temperature distribution tubular solid oxide fuel cell porous media induction heating start-up Solid oxide fuel cells (SOFCs) provide highly efficient means for conversion of the chemical energy of various...

... and the effect of nonuniform inlet air flow rate on the temperature distribution becomes negligible. For air, 7 d d y ( ∑ n a X j c p , j T a ) = ( h a ) i - a ( T i − T a ) + ( h a ) c - a ( T c − T...

... transfer in the enclosure. The impact of these measures on internal temperature distributions within the cell-stack is also presented. A comparison with the results from traditional adiabatic, zero-dimensional thermodynamic system modeling reveals that oxidant flow requirements can be overpredicted...

... the effect of the experimental apparatus on the measurement results but also about the radial temperature distribution through a MT-SOFC in a working mode. Both these topics will be further investigated in part II of this study through a computational fluid dynamics study. This should provide additional...

... was carried out to understand Joule heat and temperature distribution in the microtubular SOFC bundle during operation. The results indicated that the method of current collection had to be carefully considered, since the total output power loss of the bundle was estimated to be 27.8%. The temperature...

...J. Ramousse; K. P. Adzakpa; Y. Dubé; K. Agbossou; M. Fournier; A. Poulin; M. Dostie Temperature is a key parameter of fuel cell efficiency. In air cooled fuel cell stacks, large temperature disparities are observed. This temperature distribution has a significant influence on cell behavior...

... to air flow velocity. This suggests that temperature oscillations due to variable load can be compensated for by the respective variation in air flow velocity. Due to obvious difficulties, the experimental studies of temperature distribution over the stack volume are scarce. In recent years modeling...

...Kaokanya Sudaprasert; Rowland P. Travis; Ricardo F. Martinez-Botas In this work, a three-dimensional model of a solid oxide fuel cell (SOFC) stack is developed to predict the temperature distribution across the stack. The model simulates a particular SOFC stack comprising of five single cells...

... of the module. 15 06 2007 29 04 2008 11 05 2009 anodes cathodes humidity proton exchange membrane fuel cells temperature distribution fuel cell PEM passive self-breathing membrane flooding humidity impedance PIV Clean and high-efficiency energy supply systems...

... results for the calculation of the heat transfer coefficient, which is applicable for the purpose of a complete thermal and electrochemical finite volume analysis, the simulation calculates local temperature distributions depending on radial and angular positions. The fluid-dynamic analysis evidences...

...Katharina Fischer; Joerg R. Seume The correct prediction of the temperature distribution is a prerequisite for the reliable determination of species and current distributions in any solid oxide fuel cell (SOFC) model. It is even more crucial if the model is intended for the analysis of thermo...

..., electrochemical reaction, and heat transfer. By integrating those submodels, local electric resistance and overpotential depending on the water and temperature distribution can be predicted. In this study the effects of the inlet gas temperature and humidity on the fuel cell performance are explored...

... , “ A Global Thermo-Electrochemical Model for SOFC Systems Design and Engineering ,” J. Power Sources 0378-7753 10.1016/S0378-7753(03)00067-3 , 118 , pp. 96 – 107 . Iwata , M. , 2000 , “ Performance Analysis of Planar-Type Unit SOFC Considering Current and Temperature Distributions ,” Solid...

... of fuel utilization and a precise control of gas composition, fuel, and airflow rates and temperature distribution. It seems quite difficult to maintain the same strict control of these parameters when the stack operates in an actual device. Therefore, it is of interest to investigate the effect...

... reactions. The simulation results show how the performance of the IP-SOFC stack is strongly affected by these physical processes, the geometry of the stack, and the operating conditions. The temperature distribution, which is difficult to predict using a less realistic geometric model, is almost uniform...

... those in the co-flow type fuel cell. Temperature distributions of the electrode-electrolyte plate in the butterfly-type cell were slightly lower than those of the co-flow type fuel cell. The more uniform temperature distributions could be obtained by using the butterfly-type fuel cell. However...

... is required. Of particular significance is an accurate determination of the temperature distribution because material properties, chemical kinetics, and transport properties depend heavily on the temperature. Effective utilization of the heat can lead to a substantial increase in overall system efficiency...

... distribution maps of a single-cell planar SOFC with coflow, counterflow and cross-flow channel designs are presented. The results conclude that the coflow configuration is the best design of the three. 11 04 2004 12 05 2005 solid oxide fuel cells solid electrolytes temperature distribution...

... the fuel and oxidant flow distributions through the external manifold systems. This paper presents the modeling approaches and flow and temperature distribution results for externally manifolded fuel cell stack and stack module. Hirata , H. , and Hori , M. , 1996 , “ Gas-Flow Uniformity...