In Situ, Time-Resolved Raman Spectromicrotopography of an Operating Lithium-Ion Battery

Yu Luo*, Wen Bin Cai, Xue Kun Xing, Daniel Alberto Scherson

*この研究の対応する著者

研究成果: Article査読

30 被引用数 (Scopus)

抄録

A Raman microscope has been coupled to a sealed optical chamber mounted on a two-dimensional linear translator to allow in situ acquisition of space-, and time-resolved spectra from a sharply defined edge of thin operating graphite/LiCoO2 Li-ion battery exposing the anode (A), separator (S), and cathode (C), during charge and discharge along an axis normal to the layered A!S!C plane. Clear evidence was obtained for changes in the amount of Li+ within particles of graphite, and, to a lesser extent, of LiCoO2, during battery discharge both as a function of position and time. Such time-resolved Raman spectromicrotopography measurements can provide means of assessing the validity of theoretical models aimed at simulating the flow of Li+ within Li+-batteries under operating conditions.

本文言語English
ジャーナルElectrochemical and Solid-State Letters
7
1
DOI
出版ステータスPublished - 2004 2月 9
外部発表はい

ASJC Scopus subject areas

  • 化学工学(全般)
  • 材料科学(全般)
  • 物理化学および理論化学
  • 電気化学
  • 電子工学および電気工学

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