Cycle Life Modeling of Lithium-Ion Batteries
- 1 January 2004
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 151 (10), A1584-A1591
- https://doi.org/10.1149/1.1787631
Abstract
A first-principles-based charge-discharge model was developed to simulate the capacity fade of Li-ion batteries. The model is based on the loss of active lithium ions due to solvent reduction reaction and on the rise of the anode film resistance. The effect of parameters such as exchange current density, depth of discharge (DOD), end of charge voltage, film resistance, and the overvoltage of parasitic reaction were studied quantitatively. The model controls the required DOD by controlling the discharge time and estimates the end of discharge voltages as a function of cycle number. © 2004 The Electrochemical Society. All rights reserved.Keywords
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