Electrochemical Properties of Trirutile-type Li<sub>2</sub>TiF<sub>6</sub> as Cathode Active Material in Li-ion Batteries

Irina D. Gocheva, Ohguri Takayuki, Shigeto Okada, Jun-ichi Yamaki

Research output: Contribution to journalArticle

Abstract

The electrochemical properties of lithium hexafluorometalates as positive electrode materials were studied. Trirutile-type Li<sub>2</sub>TiF<sub>6</sub> was synthesized through a complex-formation reaction under mild temperature conditions. In addition, a spray-drying technique was used to obtain electrodes with a large surface area. The electrochemical performance of the resultant Li<sub>2</sub>TiF<sub>6</sub> powders was investigated vs. Li metal as negative electrode. Li<sub>2</sub>TiF<sub>6</sub> exhibited an initial discharge capacity of 100 mAh g<sup>−1</sup> at 2.7 V.
Original languageEnglish
Pages (from-to)471-474
Number of pages4
JournalElectrochemistry
Volume78
Issue number5
DOIs
Publication statusPublished - 2010

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