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Published on May 8, 2014
Table of Contents: 00:09 Lecture 4.2: Interface Related Reactions 00:21 Engineering the Kinetics at the Interface 02:56 Summary of Organic Electrolytes 04:16 Summary of Salts 05:07 Electrolyte Mixtures 06:16 Interface-Related Reactions 08:02 SEI Chemistry 09:10 Spatial Distribution of SEI Components 10:20 Spatial Distribution of SEI Components 10:50 Spatial Distribution of SEI Components 11:23 Spatial Distribution of SEI Components 11:54 AFM-Determined SEI Morphology 12:13 Surface Morphology During Recharge 13:52 Surface Morphology During Discharge 15:02 SEI-Induced Exfoliation 15:52 Summary of Anode Interfacial Reactions 17:58 Summary of Anode Aging Mechanisms 20:25 The Li(Co,Ni)O2 System 21:30 The LiMn2O4 System 21:56 Summary of Cathode Interfacial Reactions
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.