Easily made and handled carbon nanocones for scanning tunneling microscopy and electroanalysis
By Sripirom, Jiyapa; Noor, Sani; Köhler, Ulrich & Schulte, Albert
Published in Carbon
NULL
2011
Abstract
The amorphous hydrated precursor of Li1.2V3O8 was synthesized by soft chemistry method, and then heat-treated in air at several temperatures within the range 200–400 °C. The heat-treatment changed its morphological, structural and charging/discharging performance. The product obtained upon the treatment at 300 °C, consisting of uniform, rod-shaped particles, 100–150 nm in diameter and 300–800 nm in length, displayed the best electrochemical performance in aqueous LiNO3 solution. Its initial discharge capacity amounted to 136.8 mAh g-1 at a rate of C/5, which upon 50 charging/discharging cycles decreased for only 12%.
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