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Title: Kerr gated Raman spectroscopy of LiPF 6 salt and LiPF 6 -based organic carbonate electrolyte for Li-ion batteries

Abstract

Fluorescent species are formed during cycling of lithium ion batteries as a result of electrolyte decomposition due to the instability of the non-aqueous electrolytes and side reactions that occur at the electrode surface. The increase in the background fluorescence due to the presence of these components makes it harder to analyse data due to the spectroscopic overlap of Raman scattering and fluorescence. Herein, Kerr gated Raman spectroscopy was shown to be an effective technique for the isolation of the scattering effect from the fluorescence enabling the collection of the Raman spectra of LiPF6 salt and LiPF6-based organic carbonate electrolyte, without the interference of the fluorescence component. Kerr gated Raman was able to identify POF3 on the LiPF6 particle surface, after the addition of trace water.

Authors:
 [1]; ORCiD logo [1];  [1];  [2];  [3]; ORCiD logo [1]
  1. Stephenson Institute for Renewable Energy, Department of Chemistry, University of Liverpool, Liverpool, UK
  2. Central Laser Facility, Research Complex at Harwell, STFC Rutherford Appleton Laboratory, Didcot, UK
  3. Energy Storage and Distributed Resources Division, Lawrence Berkeley National Laboratory, Berkeley, USA
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)
OSTI Identifier:
1562988
Alternate Identifier(s):
OSTI ID: 1572059
Grant/Contract Number:  
AC02-05CH11231f; AC02-05CH11231
Resource Type:
Published Article
Journal Name:
Physical Chemistry Chemical Physics. PCCP
Additional Journal Information:
Journal Name: Physical Chemistry Chemical Physics. PCCP Journal Volume: 21 Journal Issue: 43; Journal ID: ISSN 1463-9076
Publisher:
Royal Society of Chemistry (RSC)
Country of Publication:
United Kingdom
Language:
English
Subject:
25 ENERGY STORAGE

Citation Formats

Cabo-Fernandez, Laura, Neale, Alex R., Braga, Filipe, Sazanovich, Igor V., Kostecki, Robert, and Hardwick, Laurence J. Kerr gated Raman spectroscopy of LiPF 6 salt and LiPF 6 -based organic carbonate electrolyte for Li-ion batteries. United Kingdom: N. p., 2019. Web. doi:10.1039/C9CP02430A.
Cabo-Fernandez, Laura, Neale, Alex R., Braga, Filipe, Sazanovich, Igor V., Kostecki, Robert, & Hardwick, Laurence J. Kerr gated Raman spectroscopy of LiPF 6 salt and LiPF 6 -based organic carbonate electrolyte for Li-ion batteries. United Kingdom. https://doi.org/10.1039/C9CP02430A
Cabo-Fernandez, Laura, Neale, Alex R., Braga, Filipe, Sazanovich, Igor V., Kostecki, Robert, and Hardwick, Laurence J. Thu . "Kerr gated Raman spectroscopy of LiPF 6 salt and LiPF 6 -based organic carbonate electrolyte for Li-ion batteries". United Kingdom. https://doi.org/10.1039/C9CP02430A.
@article{osti_1562988,
title = {Kerr gated Raman spectroscopy of LiPF 6 salt and LiPF 6 -based organic carbonate electrolyte for Li-ion batteries},
author = {Cabo-Fernandez, Laura and Neale, Alex R. and Braga, Filipe and Sazanovich, Igor V. and Kostecki, Robert and Hardwick, Laurence J.},
abstractNote = {Fluorescent species are formed during cycling of lithium ion batteries as a result of electrolyte decomposition due to the instability of the non-aqueous electrolytes and side reactions that occur at the electrode surface. The increase in the background fluorescence due to the presence of these components makes it harder to analyse data due to the spectroscopic overlap of Raman scattering and fluorescence. Herein, Kerr gated Raman spectroscopy was shown to be an effective technique for the isolation of the scattering effect from the fluorescence enabling the collection of the Raman spectra of LiPF6 salt and LiPF6-based organic carbonate electrolyte, without the interference of the fluorescence component. Kerr gated Raman was able to identify POF3 on the LiPF6 particle surface, after the addition of trace water.},
doi = {10.1039/C9CP02430A},
journal = {Physical Chemistry Chemical Physics. PCCP},
number = 43,
volume = 21,
place = {United Kingdom},
year = {Thu Nov 07 00:00:00 EST 2019},
month = {Thu Nov 07 00:00:00 EST 2019}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
https://doi.org/10.1039/C9CP02430A

Citation Metrics:
Cited by: 23 works
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