Abstract:Lithium plating is commonly observed in anodes charged at fast rates, and can lead to capacity loss and battery safety issues. The increased risk of plating has been attributed to transport limitations, and architectured electrodes may reduce plating risk. However, while theoretical studies have shown that reaction non-uniformity arises due to interplay of transport limitations, anode open circuit voltage behavior and reaction kinetics, its effect on lithium plating has not been studied. We use analytic and nu… Show more
“…These complexities make generalizing design strategies difficult (other than increasing porosity in the anode near the separator), and both optimization and a guide to the design of layered structures are treated in a separate study. 34…”
Section: Resultsmentioning
confidence: 99%
“…A detailed description of the modeling equations and boundaries (e.g., current collector/graphite interface, graphite/graphite interface at different porosity regions) is described elsewhere. 34 A schematic of the 1-and 3-layered models is shown in Fig. 8a.…”
The tendency of Li plating at the surface of thick graphite electrodes greatly limits its application in electrical vehicle (EV) batteries for fast charging applications. To address this concern, we...
“…These complexities make generalizing design strategies difficult (other than increasing porosity in the anode near the separator), and both optimization and a guide to the design of layered structures are treated in a separate study. 34…”
Section: Resultsmentioning
confidence: 99%
“…A detailed description of the modeling equations and boundaries (e.g., current collector/graphite interface, graphite/graphite interface at different porosity regions) is described elsewhere. 34 A schematic of the 1-and 3-layered models is shown in Fig. 8a.…”
The tendency of Li plating at the surface of thick graphite electrodes greatly limits its application in electrical vehicle (EV) batteries for fast charging applications. To address this concern, we...
“…20 Konz et al 21 introduced high-throughput cycling techniques to quantify irreversible Li plating spanning data for fast-charging batteries. Mijailovic et al 22,23 anisotropy strength, applied voltage, and nucleation spacing on Li dendrite growth were also investigated. 24 The critical interphase overpotential could be used as a gauge for assessing Li dendrite-suppression capability during charging.…”
Section: Introductionmentioning
confidence: 99%
“…Konz et al introduced high-throughput cycling techniques to quantify irreversible Li plating spanning data for fast-charging batteries. Mijailovic et al , harnessed analytical and numerical simulations to characterize reaction inhomogeneity and plating onset during charging. The effects of anisotropy strength, applied voltage, and nucleation spacing on Li dendrite growth were also investigated .…”
“…Furthermore, the diluent should have low viscosity to improve the ionic conductivity of the electrolyte. Improved ionic conductivity is extremely important for fast charging. , While there could be many other factors to consider while designing LHCEs, we will first provide the fundamental understanding of new diluent molecular design for optimized solvation clusters and ionic conductivities via a combination of density functional theory (DFT) and classical MD simulations.…”
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