FORMATION OF Liy (PC)y TiS2 INTERCALATION COMPOUND AND ITS EFFECT ON UTILIZATION OF Li/TiS2 SECONDARY CELL

Chinese Journal of Applied Chemistry ›› 1988, Vol. 0 ›› Issue (3): 15-18.

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FORMATION OF Li_y (PC)_y TiS₂ INTERCALATION COMPOUND AND ITS EFFECT ON UTILIZATION OF Li/TiS₂ SECONDARY CELL

Zhang Lixin¹, Ye Fuhan², Qiao Guiwen², Li Liguang²

1. Institute of Corrosion and Protection of Metals, Academia Stntca, Shenyang;
2. Institute of Metals Research, Academia Sinica, Shenyang

Received:1987-03-23 Revised:1987-06-19 Published:1988-06-10 Online:1988-06-10

Abstract

Abstract: The structure change of TiS₂ during charge-discharge in Li/TiS₂ secondary cell in 1 M LiClO₄-PC (propylenc carbonate)electrolyte was investegated by X-ray diffraction, high resolution electronmicroscopy, thermogravimetry and mass spectroscopy. Two intercalation processes were found: the one is reversible to Li, forming a compound of Li_x TiS₂, the other is irreversible to both Li and PC, forming compounds of Li_y (PC)_y TiS₂, which are the main cause leading to the decrease of the efficiencY of Li/TiS₂ cell after chargedischarge cycles.

Key words: Lithium/Titanium sulfide secondary cell, Intercalation compound, Propylene carbonate

Zhang Lixin, Ye Fuhan, Qiao Guiwen, Li Liguang. FORMATION OF Li_y (PC)_y TiS₂ INTERCALATION COMPOUND AND ITS EFFECT ON UTILIZATION OF Li/TiS₂ SECONDARY CELL[J]. Chinese Journal of Applied Chemistry, 1988, 0(3): 15-18.

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FORMATION OF Li_y (PC)_y TiS₂ INTERCALATION COMPOUND AND ITS EFFECT ON UTILIZATION OF Li/TiS₂ SECONDARY CELL

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