Abstract Herein, we described a mild method to synthesize Co2Mn(PO4)2 nanorods. The scanning electron microscopy results indicated that the Co2Mn(PO4)2 nanorods have average widths and lengths of 50 nm and 600 nm, respectively. The electrochemical performance of Co2Mn(PO4)2 was examined in a three-electrode system, which revealed a specific capacitance of 525 F g−1 at a current density of 1.0 A/g. Importantly, the capacity retention of the prepared Co2Mn(PO4)2 electrode is 95.3% after 5000 cycles in 3 M KOH aqueous electrolyte at the current density of 1.0 A/g. These extraordinary electrochemical performances of the Co2Mn(PO4)2 nanorods made it an excellent candidate for application in energy storage devices.

中文翻译：

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一种合成Co 2 Mn(PO 4 ) 2 纳米棒作为超级电容器高性能电极的简便方法

摘要 在此，我们描述了一种合成 Co2Mn(PO4)2 纳米棒的温和方法。扫描电子显微镜结果表明 Co2Mn(PO4)2 纳米棒的平均宽度和长度分别为 50 nm 和 600 nm。在三电极系统中检查 Co2Mn(PO4)2 的电化学性能，显示在 1.0 A/g 的电流密度下的比电容为 525 F g-1。重要的是，所制备的 Co2Mn(PO4)2 电极在 3 M KOH 水性电解质中以 1.0 A/g 的电流密度循环 5000 次后的容量保持率为 95.3%。Co2Mn(PO4)2 纳米棒的这些非凡的电化学性能使其成为在储能设备中应用的绝佳候选者。