Maximizing the Life of a Lithium-Ion Cell by Optimization of Charging Rates
- 1 January 2010
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 157 (12), A1302-A1308
- https://doi.org/10.1149/1.3491367
Abstract
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%∼29.28% by varying the charge current.Keywords
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