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Beyond Thin Films: Clarifying the Impact of c-Li15Si4 Formation in Thin Film, Nanoparticle, and Porous Si Electrodes
preprintsubmitted on 06.03.2021, 22:08 and posted on 09.03.2021, 05:46 by Jasper Woodard, W. Peter Kalisvaart, Sayed Youssef Sayed, Brian Olsen, Jillian Buriak
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.