nanoHUB-U Rechargeable Batteries L4.4: Interfacial Reactions - Dendrites in Rechargeable Batteries





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Published on May 8, 2014

Table of Contents:
00:009 Lecture 4.4: Dendrites in Rechargeable Batteries II
00:42 An in situ Experiment
01:41 Important Results of The Models
03:28 Thermodynamics of Lithium Nucleation
08:25 Thermodynamics of Nucleation: Major Results
10:01 Kinetics Limited Critical Radius and Growth
13:00 Nucleation and Early Growth Regimes
15:21 Nucleation Theory
17:08 Nucleation Regimes
19:38 Dendrite Incubation Time
21:30 Effect of Contact Angle
22:20 Nucleation and Early Growth Regimes
23:54 Nucleation and Early Growth Regimes
24:38 Summary of Growth Regimes
26:04 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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