Effects of surface impurities on the reactivity of metallic lithium toward propylene carbonate. Infrared reflection absorption spectroscopy studies in ultrahigh vacuum

Louis J. Rendek; Gary S. Chottiner; Daniel Alberto Scherson

doi:10.1149/1.1459680

Effects of surface impurities on the reactivity of metallic lithium toward propylene carbonate. Infrared reflection absorption spectroscopy studies in ultrahigh vacuum

Louis J. Rendek, Gary S. Chottiner, Daniel Alberto Scherson

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Changes in the reactivity of Li toward gas-phase propylene carbonate (PC) induced by the presence of a small amount of Li oxide or Li carbonate as a Li surface impurity have been examined in ultrahigh vacuum by infrared (IR) reflection absorption spectroscopy. Whereas the presence of Li₂O simply attenuates the intensity of IR features characteristic of the corresponding alkoxide found upon exposure of clean Li to PC, small quantities of Li₂CO₃ on Li led to the formation of detectable amounts of the Li alkyl carbonate derivative. Implications of these results to the interpretation of data obtained in situ for Li electrodes in electrochemical environments are discussed.

Original language	English
Journal	Electrochemical and Solid-State Letters
Volume	5
Issue number	4
DOIs	https://doi.org/10.1149/1.1459680
Publication status	Published - 2002 Apr 1
Externally published	Yes

ASJC Scopus subject areas

Electrochemistry
Materials Science(all)

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10.1149/1.1459680

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Effects of surface impurities on the reactivity of metallic lithium toward propylene carbonate. Infrared reflection absorption spectroscopy studies in ultrahigh vacuum. / Rendek, Louis J.; Chottiner, Gary S.; Scherson, Daniel Alberto.
In: Electrochemical and Solid-State Letters, Vol. 5, No. 4, 01.04.2002.

Research output: Contribution to journal › Article › peer-review

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AU - Scherson, Daniel Alberto

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AB - Changes in the reactivity of Li toward gas-phase propylene carbonate (PC) induced by the presence of a small amount of Li oxide or Li carbonate as a Li surface impurity have been examined in ultrahigh vacuum by infrared (IR) reflection absorption spectroscopy. Whereas the presence of Li2O simply attenuates the intensity of IR features characteristic of the corresponding alkoxide found upon exposure of clean Li to PC, small quantities of Li2CO3 on Li led to the formation of detectable amounts of the Li alkyl carbonate derivative. Implications of these results to the interpretation of data obtained in situ for Li electrodes in electrochemical environments are discussed.

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Effects of surface impurities on the reactivity of metallic lithium toward propylene carbonate. Infrared reflection absorption spectroscopy studies in ultrahigh vacuum

Abstract

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