The application of hollow micro-/nanostructured cathodes for sodium-ion batteries,Materials Chemistry Frontiers

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The application of hollow micro-/nanostructured cathodes for sodium-ion batteries
Materials Chemistry Frontiers ( IF 6.0 ) Pub Date : 2019-12-30 , DOI: 10.1039/c9qm00674e
Xiao-Hao Liu _{1,

2,

3,

4} , Wei-Hong Lai _{5,

6,

7,

8,

9} , Shu-Lei Chou _{1,

2,

3,

4,

5}

Affiliation

High-performance sodium-ion batteries (SIBs) rely on efficient cathodes, constructed based on advances in excellent rate capability, high capacity, and small volume change. Cathode materials with micro-/nano-hollow architectures can shorten the diffusion length, offer volume buffering, and increase the conducting capability of electrons/ions, so they have been extensively developed as a new strategy for the exploration of future cathodes. This review offers a snapshot of the recent progress on the synthetic strategies used to prepare hollow cathodes, their improved battery performance, and the mechanism of sodium storage underlying the use of hollow micro-/nanostructured cathode materials. Finally, we provide an overview of likely future directions in this research, which includes seeking the right balance between volumetric capacity and energy density.

中文翻译：

空心微/纳米结构阴极在钠离子电池中的应用

高性能钠离子电池（SIB）依靠高效的阴极，该阴极基于出色的定速能力，高容量和小体积变化的进步而构建。具有微/纳米空心结构的阴极材料可缩短扩散长度，提供体积缓冲并增加电子/离子的导电能力，因此已被广泛开发为探索未来阴极的新策略。这篇综述概述了用于制备空心阴极的合成策略，其改进的电池性能以及使用空心微/纳米结构阴极材料的钠存储机制的最新进展。最后，我们概述了此研究中可能的未来方向，

更新日期：2019-12-30

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