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Title: Simulation of Electrolyte Composition Effects on High Energy Lithium-Ion Cells

An important feature of the DUALFOIL model for simulation of lithium-ion cells [1,2] is rigorous accounting for non-ideal electrolyte properties. Unfortunately, data are available on only a few electrolytes [3,4]. However, K. Gering has developed a model for estimation of electrolyte properties [5] and recently generated complete property sets (density, conductivity, activity coefficient, diffusivity, transport number) as a function of temperature and salt concentration. Here we use these properties in an enhanced version of the DUALFOIL model called DISTNP, available in Battery Design Studio [6], to examine the effect of different electrolytes on cell performance. Specifically, the behavior of a high energy LiCoO2/graphite 18650-size cell is simulated. The ability of Battery Design Studio to si
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Journal Article
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Journal Name: 3 The Electrochemical Society; Journal Volume: 58; Journal Issue: 13
Research Org:
Idaho National Laboratory (INL)
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Country of Publication:
United States
99 GENERAL AND MISCELLANEOUS Electrolyte Composition Lithium-Ion Cells