Na-doped LiMnPO₄ as an electrode material for enhanced lithium ion batteries

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• 作者：K RAJAMMAL ; D SIVAKUMAR ; NAVANEETHAN DURAISAMY ; K RAMESH…
• 关键词：LiMnPO4 ; sodium doping ; cathode materials ; electrochemical study ; lithium ion batteries.
• 刊名：Bulletin of Materials Science
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：40
• 期：1
• 页码：171-175
• 全文大小：
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Materials Science, general; Engineering, general;
• 出版者：Indian Academy of Sciences
• ISSN：0973-7669
• 卷排序：40

文摘

We report the influence of sodium (Na)-incorporated lithium manganese phosphate as an active material on its performance in electrochemical study for energy storage application. Li_1−xNa_xMnPO₄ with different mole ratios (0.00 ≤ x ≤ 0.05) of sodium is synthesized via a simple sol–gel method. The discharge capacity of Li_1−xNaxMnPO₄ varies with respect to mole ratios of sodium incorporated. The maximum discharge capacity of 92.45 mAh g−1 is observed in Li_0.97Na_0.03MnPO₄, which is higher than that of pristine LiMnPO₄ and other Na-incorporated LiMnPO₄. The maximum cyclic stability is found to be 84.15% up to 60 cycles. These results demonstrate that Li_0.97Na_0.03MnPO₄ plays a significant role in future energy storage application.