A model for SOFC anode performance

Kulikovsky, Andrei

doi:10.1016/j.electacta.2009.06.054

Cited by 22 publications

(17 citation statements)

References 27 publications

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“…Inspection of the general polarization curve (26) plotted together with the low-and high-current curves (27) and (32), respectively, shows that the inequalities discussed can be mitigated. To a good accuracy, the transition region between the low-and high-current domains is given by (Fig.…”

Section: The Transition Regionmentioning

confidence: 94%

“…This case is characteristic of the anode side of hydrogen cells (PEMFC, HT-PEMFC and SOFC [27]). In the limit of ε 1 we have coth (1 / ε) ε and Eq.…”

Section: Polarization Curvementioning

confidence: 98%

“…(for the detailed derivation see [27]). In the limiting cases of small and large currents this equation can be solved.…”

Section: Basic Equations and Integral Of Motionmentioning

confidence: 99%

“…Note that PEMFC/HT-PEMFC anodes usually operate in the linear zone, while SOFC anode typically works right below or in the transition region (Fig. 6b, see [27] for more details). The following equation approximates the polarization curve in the whole range of current densities:…”

Section: The General Polarization Curve Of the CL With Ideal Feed Tramentioning

confidence: 99%

“…To analyze Eqs. (41), (42) it is convenient to transform this system into a single equation for ionic current [27]. Differentiating (41) overx, using Eq.…”

Section: Basic Equations and Integral Of Motionmentioning

confidence: 99%

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The regimes of catalyst layer operation in a fuel cell

Kulikovsky

2010

Electrochimica Acta

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Section: The Transition Regionmentioning

confidence: 94%

“…This case is characteristic of the anode side of hydrogen cells (PEMFC, HT-PEMFC and SOFC [27]). In the limit of ε 1 we have coth (1 / ε) ε and Eq.…”

Section: Polarization Curvementioning

confidence: 98%

“…(for the detailed derivation see [27]). In the limiting cases of small and large currents this equation can be solved.…”

Section: Basic Equations and Integral Of Motionmentioning

confidence: 99%

Section: The General Polarization Curve Of the CL With Ideal Feed Tramentioning

confidence: 99%

“…To analyze Eqs. (41), (42) it is convenient to transform this system into a single equation for ionic current [27]. Differentiating (41) overx, using Eq.…”

Section: Basic Equations and Integral Of Motionmentioning

confidence: 99%

See 3 more Smart Citations

The regimes of catalyst layer operation in a fuel cell

Kulikovsky

2010

Electrochimica Acta

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Messages from Analytical Modeling of Fuel Cells

Kulikovsky

2012

Fuel Cell Science and Engineering

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Electronic Current Distribution Calculation for a Ni‐YSZ Solid Oxide Fuel Cell Anode

et al. 2013

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A simulation of a nickel‐yttrium stabilized zirconium oxide (Ni‐YSZ) solid oxide fuel cell cermet anode was used to determine the electronic current distribution within the percolating networks of nickel particles distributed in the electrode. The anode is simulated via a Monte–Carlo percolation model and current distribution is calculated via a relaxation algorithm. Nickel particle current densities are reported as a ratio to the total anode current density allowing results to be applied to any anode current density. Calculated current distributions were drastically affected by the volume percent of nickel as well as anode porosity. Experiments were performed to determine failure current densities of thin nickel wires to establish the relationship between critical current densities and surface area or volume of the wires. Both reducing and oxidizing environments were used for these measurements over a temperature range up to 800 °C.

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A model for SOFC anode performance

Cited by 22 publications

References 27 publications

The regimes of catalyst layer operation in a fuel cell

The regimes of catalyst layer operation in a fuel cell

Messages from Analytical Modeling of Fuel Cells

Electronic Current Distribution Calculation for a Ni‐YSZ Solid Oxide Fuel Cell Anode

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