Thermal Energy Production and Heat Exchange between an Electrochemical Cell and Its Surroundings

Lithium-ion electrochemical cell Thermal energy production Heat exchange Thermally-safe cell discharge operation

Authors

  • Sarwan S. Sandhu Department of Chemical and Materials Engineering, University of Dayton, Dayton, OH 45469
  • Shane T. Kosir Department of Chemical and Materials Engineering, University of Dayton, Dayton, OH 45469
  • Joseph P. Fellner Air Force Research Laboratory, Wright-Patterson AFB, OH 45433
August 23, 2021
September 8, 2021

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The theoretical formulation presented in this paper was developed to predict the cell average temperature as a function of time for a given cell discharge current and its initial temperature under adiabatic and nonadiabatic conditions. The cell average temperature versus time data calculated from the derived formulation is presented in the form of plots for an ideal lithium-based button cell (for example, lithium(s)/electrolyte/carbon monofluoride(s)) during its discharge period. The presented data are briefly discussed in light of cell component stability and safe discharge operation.

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