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

Research output: Contribution to journalArticle

8 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 languageEnglish
Pages (from-to)379-385
Number of pages7
JournalElectrochimica Acta
Volume231
DOIs
Publication statusPublished - 2017 Mar 20

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Electrochemistry

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