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Practical Stability Limits of Magnesium Electrolytes

Lipson, Albert L. and Han, Sang-Don and Pan, Baofei and See, Kimberly A. and Gewirth, Andrew A. and Liao, Chen and Vaughey, John T. and Ingram, Brian J. (2016) Practical Stability Limits of Magnesium Electrolytes. Journal of the Electrochemical Society, 163 (10). A2253-A2257. ISSN 0013-4651. https://resolver.caltech.edu/CaltechAUTHORS:20180607-135310115

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Abstract

The development of a Mg ion based energy storage system could provide several benefits relative to today's Li-ion batteries, such as improved energy density. The electrolytes for Mg batteries, which are typically designed to efficiently plate and strip Mg, have not yet been proven to work with high voltage cathode materials that are needed to achieve high energy density. One possibility is that these electrolytes are inherently unstable on porous electrodes. To determine if this is indeed the case, the electrochemical properties of a variety of electrolytes were tested using a porous carbon coating on graphite foil and stainless steel electrodes. It was determined that the oxidative stability limit on these porous electrodes is considerably reduced as compared to those found using polished platinum electrodes. Furthermore, the voltage stability was found to be about 3 V vs. Mg metal for the best performing electrolytes. These results imply the need for further research to improve the stability of Mg electrolytes to enable high voltage Mg batteries.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://dx.doi.org/10.1149/2.0451610jesDOIArticle
http://jes.ecsdl.org/content/163/10/A2253/suppl/DC1PublisherSupporting Information
ORCID:
AuthorORCID
See, Kimberly A.0000-0002-0133-9693
Gewirth, Andrew A.0000-0003-4400-9907
Additional Information:© 2016 The Electrochemical Society. Manuscript submitted April 18, 2016; revised manuscript received July 11, 2016. Published August 13, 2016. This work was supported as part of the Joint Center for Energy Storage Research, an Energy Innovation Hub funded by the U. S. Department of Energy, Office of Science, Basic Energy Sciences. K. A. S. acknowledges postdoctoral funding from the St. Elmo Brady Future Faculty Fellowship.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)UNSPECIFIED
St. Elmo Brady Future Faculty FellowshipUNSPECIFIED
Subject Keywords:Battery; Electrolyte stability; Multivalent
Issue or Number:10
Record Number:CaltechAUTHORS:20180607-135310115
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180607-135310115
Official Citation:Albert L. Lipson, Sang-Don Han, Baofei Pan, Kimberly A. See, Andrew A. Gewirth, Chen Liao, John T. Vaughey, and Brian J. Ingram Practical Stability Limits of Magnesium Electrolytes J. Electrochem. Soc. 2016 163(10): A2253-A2257; doi:10.1149/2.0451610jes
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86894
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:07 Jun 2018 21:21
Last Modified:24 Feb 2020 10:30

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