Use of a Chelate Complex with Boron as a Lithium Salt for Lithium Battery Electrolytes
- 1 September 1997
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 144 (9) , L235-L237
- https://doi.org/10.1149/1.1837927
Abstract
A chelate complex with boron, lithium bis[2,3‐naphthalenediolato(2‐)‐O,O′]borate was used in lithium battery electrolytes for prototype cells. This lithium salt remains a safe and thermally stable compound up to 320°C without melting. A high specific conductivity is exhibited in spite of its high viscosity (1.732 cP) in a electrolyte/ethylene carbonate‐1,2‐dimethoxyethane (mol ratio 2:3) binary solvent mixture at 25°C. Based on the discharge characteristics of a prototype cell, this lithium salt electrolyte resulted in high energy density at a cutoff potential of 2.5 V vs. .Keywords
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