Abstract
Lithium trivanadate, LiV 3O 8, was synthesized using rheological phase reaction method. First, the mixture of LiAc·2H 2O, NH 3VO 3, citric acid and a required amount of water reacted to form the rheological precursor, then the precursor was heated at different temperatures in the range of 350–600 °C and the product LiV 3O 8 was obtained. Thermogravimetric (TG) was employed to analyze the precursor. The LiV 3O 8 product which was characterized by inductively coupled plasma (ICP), X-ray diffraction (XRD) and scanning electron microscope (SEM) indicated that LiV 3O 8 has been obtained by this novel synthesis method. The influence of the preparing conditions including sintering temperature on crystal structure and electrochemical performance has been investigated. As a result, the LiV 3O 8 obtained at 400 °C for 10 h has excellent electrochemical properties. At 20 °C, the first discharge of which was 272.9 mAh/g in the range of 1.8–4.0 V at 0.3 mA cm − 2 . An inexpensive, simple and effective route to synthesis inorganic material was provided.
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