Silicon Doping of High Voltage Spinel LiNi0.5Mn1.5O4 towards Superior Electrochemical Performance of Lithium Ion Batteries
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- 作者：Miriam Keppelera ; Shubha Nageswarana ; Sung-Jin Kimb ; Madhavi Srinivasana ; Madhavi@ntu.edu.sg" class="auth_mail" title="E-mail the corresponding author
- 关键词：Lithium ion battery ; high-voltage spinel ; Lithium Manganese Nickel Oxide ; Silicon doping ; Cycling stability
- 刊名：Electrochimica Acta
- 出版年：2016
- 出版时间：20 September 2016
- 年：2016
- 卷：213
- 期：Complete
- 页码：904-910
- 全文大小：1784 K
文摘
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Si doping of high voltage LiNi0.5Mn1.5O4 is presented for the first time.
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Si doping significantly improves the electrochemical performance of LiNi0.5Mn1.5O4.
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LiNi0.5Mn1.35Si0.15O4 shows capacities of 123 mAh/g after the 100th cycle (0.5C).
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LiNi0.5Mn1.35Si0.15O4 and LiNi0.5Mn1.3Si0.2O4 show excellent cycling stability.