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Electrochemical behavior of SiO anode for Li secondary batteries

Authors
Kim, Jae-HunPark, Cheol-MinKim, HansuKim, Young-JunSohn, Hun-Joon
Issue Date
1-Oct-2011
Publisher
ELSEVIER SCIENCE SA
Keywords
Lithium battery; Anode; Silicon monoxide; NMR
Citation
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, v.661, no.1, pp 245 - 249
Pages
5
Journal Title
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume
661
Number
1
Start Page
245
End Page
249
URI
https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/22345
DOI
10.1016/j.jelechem.2011.08.010
ISSN
1572-6657
1873-2569
Abstract
The electrochemical behavior of the SiO (silicon monoxide) anode during its reaction with Li has been investigated using solid-state nuclear magnetic resonance (NMR) and high resolution transmission electron microscopy (HRTEM). It was mainly focused on identifying the intermediate and final phases formed with their microstructures of the electrochemically lithiated SiO at various voltage steps during the first cycle. A model for the reaction of SiO with lithium was suggested, which was consistent with the discharge capacity of about 2400 mA h g(-1). (C) 2011 Elsevier B.V. All rights reserved.
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