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Using a dynamic optimization method, the optimum charge currents as a function of cycle number during cycling for the lithium-ion cell are obtained. A single particle physics-based model, which includes capacity fade, was applied to simulate the cell performance under low earth-orbit (LEO) cycling conditions. Useful cell life is defined as the number of cycles before the end of discharge voltage drops below 3.0 V or the cell discharge capacity becomes less than 20% of the original discharge capacity. The simulated useful cell life can be increased by ∼29.28% by varying the charge current.


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Rahimian, S.K., Rayman, S.C., & White, R.E. (2010). Maximizing the Life of a Lithium-Ion Cell by Optimization of Charging Rates. Journal of the Electrochemical Society, 157(12): A1302-A1308.

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