A High Temperature Lithium-Aluminum Alloy/Oxygen or Air Fuel Cell

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Authors

  • Sarwan S. Sandhu Department of Chemical and Materials Engineering, University of Dayton 300 College Park, Dayton, OH 45469, USA
January 7, 2025

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The work reported in this paper is in support of our current effort in the development of an experimental hybrid (lithium-aluminum alloy/electrolyte/oxygen or air) fuel cell for the acquisition of the experimental data required to characterize its performance behavior.

The literature-based assembled formulation provided in this paper can be used to predict the cell open-circuit electric potential, lithium amount in the cell anode alloy, and g-atom ratio of lithium to aluminum in the cell anode as a function of time at any cell discharge current level. The ohmic voltage losses can also be computed in the cell cathode, anode, and two electrolytes at a cell
current level.

The computed ohmic-voltage loss data in the various components of the cell (Figure 1 in Section 1), during its discharge; for example, at the geometric current density of 0.10