Atom-efficient synthesis of a benchmark electrolyte for magnesium battery applications.

Chem Commun (Camb)

Department of Electromagnetic & Electrochemical Technologies, National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK.

Published: October 2022

AI Article Synopsis

  • The magnesium electrolyte, [MgCl][AlPh], is created through a ligand exchange reaction between AlCl and MgPh, making it a more environmentally friendly method.
  • Using NMR and vibrational spectroscopy shows that this method results in a simpler ionic structure compared to the traditional process involving PhMgCl and AlCl.
  • Tests on the electrochemical performance reveal that this new approach produces stable electrolytes, confirming its effectiveness.

Article Abstract

The benchmark magnesium electrolyte, [MgCl] [AlPh], can be prepared in a 100% atom-economic fashion by a ligand exchange reaction between AlCl and two molar equivalents of MgPh. NMR and vibrational spectroscopy indicate that the reported approach results in a simpler ionic composition than the more widely adopted synthesis route of combining PhMgCl with AlCl. Electrochemical performance has been validated by polarisation tests and cyclic voltammetry, which demonstrate excellent stability of electrolytes produced this atom-efficient approach.

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Source
http://dx.doi.org/10.1039/d2cc03290bDOI Listing

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