Effect of 1-allyl-1-methylpyrrolidinium chloride addition to ethylmagnesium bromide electrolyte on a rechargeable magnesium battery

Jae Hyun Cho; Jung Hoon Ha; Sang Hoon Lee; Byung Won Cho; Kyung Yoon Chung; Byung Ki Na; Kwang Bum Kim; Si Hyoung Oh

doi:10.1016/j.electacta.2017.02.062

Effect of 1-allyl-1-methylpyrrolidinium chloride addition to ethylmagnesium bromide electrolyte on a rechargeable magnesium battery

Jae Hyun Cho, Jung Hoon Ha, Sang Hoon Lee, Byung Won Cho, Kyung Yoon Chung, Byung Ki Na, Kwang Bum Kim, Si Hyoung Oh

Department of Materials Science and Engineering

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

12 Citations (Scopus)

Abstract

The ionic liquid 1-allyl-1-methylpyrrolidinium chloride was investigated as an additive to an ethylmagnesium bromide Grignard solution, for use as an advanced electrolyte in rechargeable Mg batteries. Electrochemical studies showed that the addition of the ionic liquid significantly enhanced the anodic limit of the Grignard solution by about 1 V and improved the coulombic efficiency and the kinetics of Mg deposition-stripping reactions on the negative electrode. We have also demonstrated that the Grignard solution containing the ionic liquid works well as an electrolyte in a prototype cell consisting of a Mo₆S₈ Chevrel phase cathode and a Mg metal anode, where the original Grignard electrolyte does not function properly.

Original language	English
Pages (from-to)	379-385
Number of pages	7
Journal	Electrochimica Acta
Volume	231
DOIs	https://doi.org/10.1016/j.electacta.2017.02.062
Publication status	Published - 2017 Mar 20

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Publisher Copyright:
© 2017 Elsevier Ltd

All Science Journal Classification (ASJC) codes

Chemical Engineering(all)
Electrochemistry

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10.1016/j.electacta.2017.02.062

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title = "Effect of 1-allyl-1-methylpyrrolidinium chloride addition to ethylmagnesium bromide electrolyte on a rechargeable magnesium battery",

abstract = "The ionic liquid 1-allyl-1-methylpyrrolidinium chloride was investigated as an additive to an ethylmagnesium bromide Grignard solution, for use as an advanced electrolyte in rechargeable Mg batteries. Electrochemical studies showed that the addition of the ionic liquid significantly enhanced the anodic limit of the Grignard solution by about 1 V and improved the coulombic efficiency and the kinetics of Mg deposition-stripping reactions on the negative electrode. We have also demonstrated that the Grignard solution containing the ionic liquid works well as an electrolyte in a prototype cell consisting of a Mo6S8 Chevrel phase cathode and a Mg metal anode, where the original Grignard electrolyte does not function properly.",

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AU - Cho, Jae Hyun

AU - Ha, Jung Hoon

AU - Lee, Sang Hoon

AU - Cho, Byung Won

AU - Chung, Kyung Yoon

AU - Na, Byung Ki

AU - Kim, Kwang Bum

AU - Oh, Si Hyoung

PY - 2017/3/20

Y1 - 2017/3/20

N2 - The ionic liquid 1-allyl-1-methylpyrrolidinium chloride was investigated as an additive to an ethylmagnesium bromide Grignard solution, for use as an advanced electrolyte in rechargeable Mg batteries. Electrochemical studies showed that the addition of the ionic liquid significantly enhanced the anodic limit of the Grignard solution by about 1 V and improved the coulombic efficiency and the kinetics of Mg deposition-stripping reactions on the negative electrode. We have also demonstrated that the Grignard solution containing the ionic liquid works well as an electrolyte in a prototype cell consisting of a Mo6S8 Chevrel phase cathode and a Mg metal anode, where the original Grignard electrolyte does not function properly.

AB - The ionic liquid 1-allyl-1-methylpyrrolidinium chloride was investigated as an additive to an ethylmagnesium bromide Grignard solution, for use as an advanced electrolyte in rechargeable Mg batteries. Electrochemical studies showed that the addition of the ionic liquid significantly enhanced the anodic limit of the Grignard solution by about 1 V and improved the coulombic efficiency and the kinetics of Mg deposition-stripping reactions on the negative electrode. We have also demonstrated that the Grignard solution containing the ionic liquid works well as an electrolyte in a prototype cell consisting of a Mo6S8 Chevrel phase cathode and a Mg metal anode, where the original Grignard electrolyte does not function properly.

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Effect of 1-allyl-1-methylpyrrolidinium chloride addition to ethylmagnesium bromide electrolyte on a rechargeable magnesium battery

Abstract

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