nanoHUB-U Rechargeable Batteries L4.5: Interfacial Reactions - Summary





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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 video is part of the nanoHUB-U course "Introduction to the Materials Science of Rechargeable Batteries
" (http://nanohub.org/courses/imsb)

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.


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