The Chemistry of Lithium-Ion Battery Degradation

The Chemistry of Lithium-Ion Battery Degradation · 2:08 · Intellect Plus

In short: Lithium-ion batteries degrade primarily through the growth of the solid-electrolyte interphase (SEI) layer, which consumes active materials and increases resistance during repeated cycles.

A 2:08 short film in the series “How Things Work”.

Sources used in this film: National Center for Biotechnology Information (NCBI), “A Review on Lithium-Ion Battery Separators towards Enhanced Safety Performances and Modelling Approaches”; Sandia National Laboratories, “DOE ESHB Chapter 3: Lithium-Ion Batteries”; Nature Communications, “A retrospective on lithium-ion batteries”; npj Computational Materials, “Review on modeling of the anode solid electrolyte interphase (SEI) for lithium-ion batteries”; IOP Publishing Limited, “Modelling Solvent Consumption from SEI Layer Growth in Lithium-Ion Batteries”; U.S. Department of Energy, “1924201”; National Center for Biotechnology Information (NCBI), “Heat Generation and Degradation Mechanism of Lithium-Ion Batteries during High-Temperature Aging”; National Center for Biotechnology Information (NCBI), “A review of the combined effects of environmental and operational factors on lithium-ion battery performance: temperature, vibration, and charging/discharging cycles”; nature, “Effect of Temperature on the Aging rate of Li Ion Battery Operating above Room Temperature”; U.S. Department of Energy (Office of Science and Technology Information), “Microsoft Word - 4. 2020 Review1_Li-SSE-LiMO2 architecture FZ V5 Final.docx”; U.S. Department of Energy (Office of Science, Office of Energy Efficiency and Renewable Energy), “Robust Solid/Electrolyte Interphase (SEI) Formation on Si Anodes Using Glyme-Based Electrolytes”; Oak Ridge National Laboratory, “Mitigating Calendar Aging in Si-NMC Batteries with Advanced Dual-Salt Glyme Electrolytes”.

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