層状チタン酸塩K_xTi_<2-x>Fe_xO_4(x=0.80)のイオン交換とリチウム二次電池正極材料への応用

概要

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A layer structured titanate K_xTi_<2-x>Fe_xO_4 (x = 0.80) with the lepidocrocite structure has been prepared by a solid state reaction using K_2CO_3, anatase type TiO_2 and α-Fe_2O_3 at 1100℃. Ion exchange reactions have been studied in aqueous solutions. The single phases of hydrogen, lithium and sodium ion exchange products were obtained. They contained interlayer water and the host layers were retained on the reactions. The products were characterized by chemical analysis, TG-DTA and XRD. The hydrogen exchange product was evaluated for use as the cathode in rechargeable lithium battery.
徳山工業高等専門学校の論文
2005-12-01