Direct synthesis of Cryolite type Li3FeF6 and its characterization as positive electrode in Li cell

Irina D Gocheva, Yuichi Kamimura, Takayuki Doi, Shigeto Okada, Juna'ichi Yamaki, Tetsuaki Nishida

Research output: Contribution to journalArticle

Abstract

We have synthesized a Cryolite type iron hexafluoroferrates by mild chemistry complex formation reaction. For the first time their electrochemical properties as positive electrode materials in rechargeable batteries were studied. The alpha-Li3FeF6 delivered a 116 mAh/g reversible capacity at an average discharge voltage of 3.0 V maintaining good capacity retention of about 30 cycles at a 0.2 mA/cm2 rate. The preliminary results are reported.
Original languageEnglish
Pages (from-to)7-11
Number of pages5
Journal九州大学大学院総合理工学報告
Volume31
Issue number1
DOIs
Publication statusPublished - Apr 2009

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