Using synergetic effects of various sodium storage modes and materials to construct high power, high energy, and long cycling flexible sodium anode materials is significant and still challenging. Here, by advantageous functional integration of adsorption‐intercalation‐conversion sodium storage mechanisms, a 3D flexible fiber paper anode with the composition of Nb₂O₅@hard carbon@MoS₂@soft carbon is designed and prepared. Based on the synergetic effects, it exhibits higher specific capacity than pure Nb₂O₅, with more excellent rate performance (245, 201, 155, 133, and 97 mAh g⁻¹ at the current density of 0.2, 1, 5, 10, and 20 A g⁻¹, respectively) than pure MoS₂ as well as admirable long‐term cycling characteristics (≈82% capacity retention after 20 000 cycles at 5 A g⁻¹). Relevant kinetics mechanisms are expounded in detail. This work can be helpful for preparing other types of hybrid and flexible electrodes for energy storage systems.

中文翻译：

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在3D柔性Nb2O5 @ Hard Carbon @ MoS2 @ Soft碳纤维纸阳极中实现吸附-嵌入-转换混合机制的有利功能集成，可实现超快和超稳定的钠存储

利用各种钠存储模式和材料的协同效应来构建高功率，高能量和长循环的柔性钠阳极材料是重要的，并且仍然具有挑战性。在此，通过吸附-嵌入-转化钠存储机制的功能整合，设计并制备了一种由Nb ₂ O ₅ @硬碳@MoS ₂ @软碳组成的3D柔性纤维纸阳极。基于协同效应，与纯Nb ₂ O ₅相比，它具有更高的比容量，在0.2、1、5、10的电流密度下具有更优异的速率性能（245、201、155、133和97 mAh g ^-1）和20 A g ^-1分别比纯MoS ₂和令人赞叹的长期循环特性（在5 A g ^-1下进行20 000次循环后的容量保持率约82％）。详细阐述了相关的动力学机理。这项工作对于准备用于储能系统的其他类型的混合电极和柔性电极可能会有帮助。