nanoHUB-U Rechargeable Batteries L4.2: Interfacial Reactions - Interface Related Reactions





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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 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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