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Published on May 15, 2014
Table of Contents: 00:09 Lecture 5.2: The Reaction Zone Model 00:49 Untitled: Slide 2 04:07 Newman's Reaction Zone Model 06:55 Equivalent Circuit 08:19 Moving Boundary Concept 09:15 The Reaction Zone and Utilized Charge 12:22 The Voltage of the Battery 16:05 Results for "Ideal" LiMn2O4 18:08 How does it compare to the experiment? 19:04 Three Optimization Restrictions 20:38 Complete Charge Utilization Limit 22:55 Optimal Thickness and Porosity 24:44 Optimal values 27:17 Cut-Off Voltage Limit 28:00 Optimal Thickness and Porosity 28:59 Revised Optimal Values 29:42 Summary of Assumptions
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.