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Keywords: current distribution
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Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. May 2020, 17(2): 021101.
Paper No: JEECS-19-1107
Published Online: November 5, 2019
... in parallel was tested for 2215 cycles and compared with a single baseline cell. The behaviors of temperature distribution, degradation, and current distribution of the stack were characterized and discussed. Results supported the hypothesis that nonuniform temperature distribution causes nonuniform...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. October 2010, 7(5): 051010.
Published Online: July 16, 2010
... of polymer electrolyte membrane fuel cell stacks, and more particularly, on the current distribution along the cell. The oxygen concentration decreases along the channel and induces a change in the local electrochemical response; it means that the local current density on the cell is redistributed...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2010, 7(1): 011015.
Published Online: November 10, 2009
...A. A. Kulikovsky We report a model for coupled temperature and current distributions along the single channel in planar solid-oxide fuel cell stack. Approximate analytical solution to model equations is derived; the solution predicts that air and stack temperatures are close to each other...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2010, 7(1): 011002.
Published Online: October 5, 2009
... stack, the temperature is at its maximum of 1574 K near the outlets of fuel and air at the same operating temperature. It should be kept in mind that both situations will have effects on the temperature behavior of the stack in reality. The temperature and current distributions of stack models...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. November 2009, 6(4): 041005.
Published Online: August 11, 2009
.... This effect is more pronounced for high assembly pressure conditions, where O 2 mass fraction still remains very low regardless of the high O 2 mass fraction gradient. 06 06 2007 26 08 2008 11 08 2009 contact resistance current density current distribution...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. May 2009, 6(2): 021003.
Published Online: February 23, 2009
... Transfer 0017-9310 10.1016/j.ijheatmasstransfer.2004.04.010 , 47 , pp. 3617 – 3629 . Haberman , B. A. , 2005 , “ Three-Dimensional Simulation of the Integrated-Planar Solid Oxide Fuel Cell ,” Ph.D. thesis, University of Cambridge, Cambridge, UK. current density current distribution...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. February 2009, 6(1): 011002.
Published Online: November 3, 2008
...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...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2008, 5(3): 031007.
Published Online: May 23, 2008
... current distribution electrochemical electrodes electrolytes proton exchange membrane fuel cells Porous electrodes in polymer electrolyte membrane (PEM) fuel cells play an important role in transition with the minimum voltage losses, from the channel-land structure of the flow field...
Journal Articles
Article Type: Technical Papers
J. Electrochem. En. Conv. Stor. November 2007, 4(4): 441–449.
Published Online: June 5, 2006
... density, and flow configuration (co- or counterflow) were changed, and all of the numerical distributions of current density agreed well with the measured distributions by segmented current collector. The current distributions were also obtained from hydrogen/oxygen concentration changes along the gas...
Journal Articles
Article Type: Special Issue Research Papers
J. Electrochem. En. Conv. Stor. August 2006, 3(3): 292–302.
Published Online: February 11, 2006
...Pei-Hung Chi; Fang-Bor Weng; Ay Su; Shih-Hung Chan A three-dimensional (3D) model has been developed to simulate proton exchange membrane fuel cells. The model accounts simultaneously for electrochemical kinetics, current distribution, hydrodynamics, and multi-components transport. A single set...
Journal Articles
Article Type: Research Papers
J. Electrochem. En. Conv. Stor. August 2006, 3(3): 351–357.
Published Online: November 10, 2005
... are not sufficiently humidified. 22 04 2005 10 11 2005 proton exchange membrane fuel cells current density humidity electrochemical electrodes current distribution PEFC current density distribution fuel cell performance Due to its high power density the polymer electrolyte...
Journal Articles
Article Type: Article
J. Electrochem. En. Conv. Stor. February 2005, 2(1): 52–59.
Published Online: August 16, 2004
... (location of the second interconnect). The current distribution between N 0 and N 2 satisfies the condition that N 0 and N 2 are equipotential (Eq. 21 ). A similar result is observed between N 2 and N 4 (Eq. 22 ). After N 4 , the anode current...