γ-Li x V 2 O 5 ( x = 0.9−1) was synthesized at 350 °C. The material was characterized by X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FT-IR). The synthesis reactions were studied by thermogravimetric analysis (TGA). The composition of γ-Li x V 2 O 5 was determined by atomic absorption spectrophotometry (AAS) and inductively coupled plasma−atomic emission spectrophotometry (ICP-AES). Its electrochemical performance as cathode active materials was studied by galvanostatic charge−discharge and cycle voltammetry. γ-Li x V 2 O 5 could deintercalate lithium ion reversibly. The potential vs Li + /Li electrode was from 2.6 to 4.0 V. γ-Li x V 2 O 5 has potential as starting electrode active material in lithium ion batteries.
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Dai et al. (1999) studied this question.
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