Beyond Thin Films: Clarifying the Impact of c-Li15Si4 Formation in Thin Film, Nanoparticle, and Porous Si Electrodes

09 March 2021, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Analysis of the role of c-Li15Si4 in performance of silicon-based anodes in lithium ion batteries. This work indicates that concerns about the c-Li15Si4 phase in silicon nanoparticles and porous silicon electrodes should mainly focus on the stability of the SEI and a reduction of irreversible electrolyte reactions.

Keywords

Silicon
porous silicon
films
lithium-ion batteries
anodes
nanoparticles
Li15Si4
crystallization
solid electrolyte interphase

Supplementary materials

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Title
Crystallization in Silicon Nanoparticles SI 2021 03 06 PDF
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