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Published on May 8, 2014
Table of Contents: 00:09 Lecture 4.5: Week 4 Summary 00:20 Elements of Reaction Theory 02:54 Elements of Reaction Theory: Continued... 03:59 Irreversible Reactions 04:47 Salt Precipitation Simulations 06:22 Interface-Related Reactions 07:21 Spatial Distribution of SEI Components 08:03 Surface Morphology During Recharge 09:08 Surface Morphology During Discharge 09:55 Summary of Anode Aging Mechanisms 10:55 Summary of Cathode Interfacial Reactions 12:08 Base-Controlled Dendritic Growth 12:46 Li plating on an MCMB electrode. 13:24 Important Results of The Models 14:19 Thermodynamics of Lithium Nucleation 15:11 Thermodynamics of Nucleation: Major Results 15:42 Kinetics Limited Critical Radius and Growth 16:32 Summary of Growth Regimes 18:13 Lithium Dendrite Inhibition
This course will provide an introduction to the fundamentals behind the equilibrium and time-dependent response of existing and emerging chemistries of Li-ion battery materials. Effects of material selection and processing on the performance and reliability are presented as a means to develop conceptual guidelines to understand and improve battery designs. Example applications such as intercalation, SEI, and dendrite growth are presented. Integration of experimental microstructural aspects to coarse-graining measured properties, such as porosity, tortuosity and its associated reactivity, and classic and emerging battery architectures are presented. Principles summarizing the response of battery architectures are formulated and applied to propose battery design guidelines, to review existing porous electrode theory descriptions, and to summarize the current state-of-the-art of battery technology and its associated metrology.