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This article provides an overview of Mg electrochemistry in both ethereal and non-ethereal electrolyte systems. Comprehensive cyclic voltammetry studies on the electrochemical Mg plating/stripping activity in various electrolyte systems reaffirm that only a limited range of solvents—including ethers, amines, and dialkylsulfones—support reversible Mg plating/stripping. In contrast, Mg plating is rarely observed in nitrile, amide, carbonate, and phosphate electrolytes, despite voltammograms exhibiting seemingly reversible responses. These findings caution researchers against assuming voltammetric responses correspond to Mg plating/stripping without solid evidence of Mg deposits. Finally, a protocol for assessing whether proposed (uncommon) electrolyte systems genuinely support Mg plating/stripping is presented.

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: Mg Battery, Mg plating, decomposition, nonethereal electrolyte solutions

Date published: 2025-07-27

Publisher: Wiley

Journal:

• ChemSusChem (ISSN: 18645631) vol. 18 issue. 15 e202500418

Funding:

• Japan Science and Technology Agency JPMJGX23S1
• Japan Science and Technology Agency JPMJPF2016

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1002/cssc.202500418

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Updated at: 2025-07-30 12:30:35 +0900

Published on MDR: 2025-07-30 12:17:49 +0900