A Fusible Orthoborate Lithium Salt with High Conductivity in Solutions

1 January 1999

journal article
Published by The Electrochemical Society in Electrochemical and Solid-State Letters

Vol. 3 (8) , 366-368
https://doi.org/10.1149/1.1391150

Abstract

Synthesis, analysis, and electrochemical properties of a new lithium salt with an exceptionally large, weakly coordinating anion, lithium bis{1,2‐tetra(trifluoromethyl) ethylenediolato (2−)‐O,O′} borate , are described. This salt, whose anion contains 24 fluorine atoms, can be fused at remarkably low temperatures and is stable up to . The salt has a low conductivity in the molten state, only at the melting point of due to its quasi‐molecular character. However, its solutions in molecular solvents are extremely conductive. The maximum conductivity of in dimethoxyethane (DME) is at . The electrochemical stability for each of the DME and propylene carbonate solutions is at least vs. . ©2000 The Electrochemical Society

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