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Advantageous electrolytic solutions for rechargeable magnesium batteries are obtained by dissolving in THF the reaction products of EtAlCl2 and Bu2Mg, in various stoichiometric proportions. The components of these solutions are identified by multinuclear NMR (1H, 13C, 27Al, and 25Mg) and conductivity measurements for the closely related system where the organomagnesium species is Et2Mg. The system with the highest electrochemical stability and relatively high ionic conductivity, denoted as a “2:1 complex”, is obtained from a 2:1 ratio of EtAlCl2 and Et2Mg and is shown to be composed of a chloride-bridged species, Et2ClAl−Cl−AlClEt2 -, and of MgCl+, the result of transmetalation reactions.
Sprache
Englisch
Identifikatoren
ISSN: 0276-7333
eISSN: 1520-6041
DOI: 10.1021/om049949a
Titel-ID: cdi_crossref_primary_10_1021_om049949a
Format
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