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Issue 2, 2014
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Metal–organic frameworks as solid magnesium electrolytes

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Abstract

A series of solid magnesium electrolytes were synthesized via the transmetallation of magnesium phenolates to coordinatively unsaturated metal sites lining the pores of the metal–organic frameworks Mg2(2,5-dioxidobenzene-1,4-dicarboxylate) and Mg2(4,4′-dioxidobiphenyl-3,3′-dicarboxylate). The resulting materials represent a new class of solid magnesium electrolytes that are both crystalline, and exhibit room-temperature ionic conductivities up to 0.25 mS cm−1. The materials reported herein are one-hundred times more conductive at room temperature than any other solid magnesium electrolyte and represent the only class of materials sufficiently conductive for practical consideration in magnesium batteries.

Graphical abstract: Metal–organic frameworks as solid magnesium electrolytes

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Article information


Submitted
19 Sep 2013
Accepted
10 Dec 2013
First published
16 Dec 2013

Energy Environ. Sci., 2014,7, 667-671
Article type
Communication

Metal–organic frameworks as solid magnesium electrolytes

M. L. Aubrey, R. Ameloot, B. M. Wiers and J. R. Long, Energy Environ. Sci., 2014, 7, 667
DOI: 10.1039/C3EE43143F

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