Studying the Kinetics of Crystalline Silicon Nanoparticle Lithiation with In Situ Transmission Electron Microscopy

Matthew T. McDowell, Ill Ryu, Seok Woo Lee, Chongmin Wang, William D. Nix, Yi Cui

Research output: Contribution to journalArticlepeer-review

412 Scopus citations

Abstract

In situ transmission electron microscopy (TEM) is used to study the electrochemical lithiation of high-capacity crystalline Si nanoparticles for use in Li-ion battery anodes. The lithiation reaction slows down as it progresses into the particle interior, and analysis suggests that this behavior is due not to diffusion limitation but instead to the influence of mechanical stress on the driving force for reaction. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Original languageEnglish (US)
Pages (from-to)6034-6041
Number of pages8
JournalAdvanced Materials
Volume24
Issue number45
DOIs
StatePublished - Sep 4 2012
Externally publishedYes

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