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Choi, Nam-Soon
Energy Materials Lab
Research Interests
  • Rechargeable lithium battery, electrolytes for next generation Mg and Na battery

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Bifunctional Li4Ti5O12 coating layer for the enhanced kinetics and stability of carbon anode for lithium rechargeable batteries

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Title
Bifunctional Li4Ti5O12 coating layer for the enhanced kinetics and stability of carbon anode for lithium rechargeable batteries
Author
Song, DahyeJo, Mi Ru.Lee, Gi-HyeokSong, JuhyeChoi, Nam-SoonKang, Yong-Mook
Issue Date
2014-12
Publisher
ELSEVIER SCIENCE SA
Citation
JOURNAL OF ALLOYS AND COMPOUNDS, v.615, pp.220 - 226
Abstract
We introduce an effective way to improve the electrochemical properties of graphite anodes by Li4Ti5O12 (LTO) coating for lithium rechargeable batteries. LTO coated graphite is prepared by a sol-gel method coupled with hydrothermal reaction. LTO coating renders the electrochemical performance of graphite to be significantly improved compared to pristine graphite. Moreover, LTO coating layers affect the stability of the solid electrolyte interphase (SEI) by making an even SEI film without further electrolyte decomposition and thus making it more stable. Also, LTO coating layers prevent the electrolyte decomposition species from going into the interior graphite, proving that LTO coating can contribute to not only the electrochemical properties of graphite but also its thermal stability.
URI
https://scholarworks.unist.ac.kr/handle/201301/5442
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84904563005
DOI
10.1016/j.jallcom.2014.06.158
ISSN
0925-8388
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ECHE_Journal Papers
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