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- Title
Understanding Solid Electrolyte Interphase Nucleation and Growth on Lithium Metal Surfaces.
- Authors
Angarita-Gomez, Stefany; Balbuena, Perla B.
- Abstract
Experiments and theory are needed to decode the exact structure and distribution of components of a passivation layer formed at the anode surface of Li metal batteries, known as the Solid Electrolyte Interphase (SEI). Due to the inherent dynamic behavior as well as the lithium reactivity, the SEI structure and its growth mechanisms are still unclear. This study uses molecular simulation and computational chemistry tools to investigate the initial nucleation and growth dynamics of LiOH and Li2O that provide us with thermodynamics and structural information about the nucleating clusters of each species. Following the most favorable pathways for the addition of each of the components to a given nascent SEI cluster reveals their preferential nucleation mechanisms and illustrates different degrees of crystallinity and electron density distribution that are useful to understand ionic transport through SEI blocks.
- Subjects
DISCONTINUOUS precipitation; SOLID electrolytes; METALLIC surfaces; COMPUTATIONAL chemistry; PASSIVATION
- Publication
Batteries, 2021, Vol 7, Issue 4, p1
- ISSN
2313-0105
- Publication type
Article
- DOI
10.3390/batteries7040073