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Published on May 15, 2014
Table of Contents: 00:09 Lecture 5.1: Electrolytes, Salts, and Separator Materials 00:34 Electrical and Ionic Conductivity 04:15 Types of Electrolytes 05:11 Types of Electrolytes 07:37 Summary Of Materials And Trends 09:30 Main Salt Additives 11:36 Main Salts Typical Conductivity 13:31 PEO-Based Electrolytes 14:24 EC-DMC and EC-PC 14:53 PEO+ LiBOB or LiClO4 15:10 Other PEO-Related Chemistries 15:34 Polymer Electrolytes 16:13 Effect of Concentration 17:11 The Phosphate/LiPON Family 17:41 Glassy Solid Electrolytes Typical Values 18:13 Crystalline Solid Electrolytes
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.