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Title: Ionic Liquid as an Effective Additive for Rechargeable Magnesium Batteries

Abstract

Here, the effect of the addition of an ionic liquid DEME•TFSI to an electrolyte solution of Mg(HMDS)2-MgCl2 in THF was studied electrochemically and spectroscopically. Reversible magnesium deposition/dissolution was achieved with the DEME•TFSI-modified electrolyte. This electrolyte shows higher ionic conductivity, and a linear relationship was observed between the ionic conductivity and the concentration of DEME•TFSI in THF solution of Mg(HMDS)2-MgCl2. Mg-Mo6S8 coin cells have also been successfully cycled using Mg(HMDS)2-MgCl2 electrolyte with the addition of DEME•TFSI. Raman and NMR spectroscopy suggest that DEME•TFSI facilitates magnesium deposition/dissolution by improving ionic conductivity of the electrolyte.

Authors:
 [1];  [1];  [1];  [1];  [1];  [1]
  1. Argonne National Lab. (ANL), Lemont, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Joint Center for Energy Storage Research (JCESR)
OSTI Identifier:
1373600
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Journal of the Electrochemical Society
Additional Journal Information:
Journal Volume: 164; Journal Issue: 4; Journal ID: ISSN 0013-4651
Publisher:
The Electrochemical Society
Country of Publication:
United States
Language:
English
Subject:
25 ENERGY STORAGE; additive; aluminum-free; electrolyte; ionic liquid; rechargeable magnesium ion battery

Citation Formats

Pan, Baofei, Lau, Ka -Cheong, Vaughey, John T., Zhang, Lu, Zhang, Zhengcheng, and Liao, Chen. Ionic Liquid as an Effective Additive for Rechargeable Magnesium Batteries. United States: N. p., 2017. Web. doi:10.1149/2.1551704jes.
Pan, Baofei, Lau, Ka -Cheong, Vaughey, John T., Zhang, Lu, Zhang, Zhengcheng, & Liao, Chen. Ionic Liquid as an Effective Additive for Rechargeable Magnesium Batteries. United States. https://doi.org/10.1149/2.1551704jes
Pan, Baofei, Lau, Ka -Cheong, Vaughey, John T., Zhang, Lu, Zhang, Zhengcheng, and Liao, Chen. Thu . "Ionic Liquid as an Effective Additive for Rechargeable Magnesium Batteries". United States. https://doi.org/10.1149/2.1551704jes. https://www.osti.gov/servlets/purl/1373600.
@article{osti_1373600,
title = {Ionic Liquid as an Effective Additive for Rechargeable Magnesium Batteries},
author = {Pan, Baofei and Lau, Ka -Cheong and Vaughey, John T. and Zhang, Lu and Zhang, Zhengcheng and Liao, Chen},
abstractNote = {Here, the effect of the addition of an ionic liquid DEME•TFSI to an electrolyte solution of Mg(HMDS)2-MgCl2 in THF was studied electrochemically and spectroscopically. Reversible magnesium deposition/dissolution was achieved with the DEME•TFSI-modified electrolyte. This electrolyte shows higher ionic conductivity, and a linear relationship was observed between the ionic conductivity and the concentration of DEME•TFSI in THF solution of Mg(HMDS)2-MgCl2. Mg-Mo6S8 coin cells have also been successfully cycled using Mg(HMDS)2-MgCl2 electrolyte with the addition of DEME•TFSI. Raman and NMR spectroscopy suggest that DEME•TFSI facilitates magnesium deposition/dissolution by improving ionic conductivity of the electrolyte.},
doi = {10.1149/2.1551704jes},
journal = {Journal of the Electrochemical Society},
number = 4,
volume = 164,
place = {United States},
year = {Thu Mar 02 00:00:00 EST 2017},
month = {Thu Mar 02 00:00:00 EST 2017}
}

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Cited by: 16 works
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Works referencing / citing this record:

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