https://scholars.lib.ntu.edu.tw/handle/123456789/407441
標題: | Nanostructrured LiNi1/3Co1/3Mn1/3O 2 cathode material synthesized by one-step ultrasonic spray pyrolysis method | 作者: | Wu H.-C. Guo Z.-Z. Yang X.-Q. Yang M.-H. Lu C.-H. Wu T.-Y. Taniguchi I. |
公開日期: | 2008 | 卷: | PV 2005-14 | 起(迄)頁: | 203-209 | 來源出版物: | Proceedings - Electrochemical Society | 摘要: | Nanostructured LiNi1/3Co1/3Mn1/3O 2 powders were successfully synthesized via a new innovative one-step ultrasonic spray pyrolysis process. The prepared powders were comprised of nanosized crystallites and formed a spherical shape. Well-crystallized structure was obtained after calcination at 800 ¢XC. The prepared LiNi 1/3Co1/3Mn1/3O2 powders exhibited a high discharge capacity of 184 mAh/g. At 20 C high discharge rate, a capacity retention as high as 55% was obtained comparing to the 0.1C discharge rate capacity within the voltage range of 2.5-4.5 V. The capacity retention was 78% after 100 cycles test at 1C charging and 3C discharging rate at 55 ¢XC. In-situ XRD showed the structural stability of LiNi1/3Co 1/3Mn1/3O2 powders was quite good at overcharged state. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/407441 | ISBN: | 9781566776875 |
顯示於: | 化學工程學系 |
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