Metal‐organic frameworks (MOFs)‐derived nanoarrays have been widely used as electrode materials in energy storage applications with the unique morphology and large specific surface area. Herein, we report a series of N‐doped carbon arrays embedded with different metal compounds (noted as NC@Co₃O₄, NC@CoSe₂ and NC@CoS₂), which have been derived from a Co‐based MOF through simple fabrication processes. The resulted structures have high surface‐to‐volume ratio and short charge‐transfer paths in electrochemical reactions, which greatly benefit the energy storage performance. An asymmetric supercapacitor of NC@CoS₂//Co‐NC@Fe₂O₃ is also demonstrated, which has a power density up to 23.5 kW/kg and illustrates good cycling stability after long‐time rapid charging and discharging. This work demonstrates a promising way to develop MOF‐derived nanoarrays for flexible energy storage devices.

中文翻译：

---

嵌入金属化合物的碳纳米阵列，用于高性能柔性超级电容器

源自金属有机框架（MOF）的纳米阵列以其独特的形态和较大的比表面积被广泛用作储能应用中的电极材料。在此，我们报告了一系列嵌入了不同金属化合物（称为NC @ Co ₃ O ₄，NC @ CoSe ₂和NC @ CoS ₂）的N掺杂碳阵列，这些碳阵列是通过简单的基于Co的MOF派生而来的。制造过程。所得结构在电化学反应中具有高的表面体积比和短的电荷转移路径，这极大地有利于储能性能。NC @ CoS ₂ // Co-NC @ Fe ₂ O ₃的非对称超级电容器还展示了该产品的功率密度高达23.5 kW / kg，并说明了长期快速充电和放电后的良好循环稳定性。这项工作演示了开发基于MOF的纳米阵列用于柔性储能设备的有前途的方法。