Polyanionic Cathode Materials for Practical Na-Ion Batteries toward High Energy Density and Long Cycle Life,ACS Central Science

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Polyanionic Cathode Materials for Practical Na-Ion Batteries toward High Energy Density and Long Cycle Life
ACS Central Science ( IF 12.7 ) Pub Date : 2023-09-08 , DOI: 10.1021/acscentsci.3c00907
Chunliu Xu _{1,

2} , Junmei Zhao _{1,

3,

4} , Chao Yang _{1,

4} , Yong-Sheng Hu ₂

Affiliation

Na-ion batteries (NIBs) as a supplement to Li-ion batteries deliver huge application potential in the field of grid-scale energy storage. At present, it is a particularly imperative to advance commercialization of the NIBs after ten years of intensive research. Among the exploited cathodes for NIBs, polyanionic compounds have great commercial prospects due to their favorable ion diffusion channels, high safety, and superior structure stability determined by their unique structure framework; however, there is still a long way to go before large-scale industrialization can be realized. This outlook summarizes the recent progress of polyanion-type cathodes for NIBs and includes V-based, Fe-based, and Mn-based polyanionic compounds toward high energy density and long cycle lifespan. The remaining challenges and guidelines/suggestions for the design of the practically available polyanionic cathode materials with desirable energy density and cycling performance are presented. We hope that this outlook can provide some insights into the development of polyanionic cathodes for practical NIBs toward commercialization.

中文翻译：

用于实现高能量密度和长循环寿命的实用钠离子电池的聚阴离子正极材料

钠离子电池（NIB）作为锂离子电池的补充，在电网规模储能领域具有巨大的应用潜力。当前，经过十年的深入研究，推进NIB的商业化显得尤为迫切。在已开发的NIB阴极中，聚阴离子化合物由于其独特的结构骨架决定了其良好的离子扩散通道、高安全性和优异的结构稳定性，因此具有巨大的商业前景。但距离实现大规模工业化还有很长的路要走。本展望总结了NIB用聚阴离子型阴极的最新进展，包括V基、Fe基和Mn基聚阴离子化合物，以实现高能量密度和长循环寿命。提出了设计具有理想能量密度和循环性能的实用聚阴离子阴极材料的剩余挑战和指南/建议。我们希望这一展望能够为实用NIB的聚阴离子阴极的商业化发展提供一些见解。

更新日期：2023-09-08

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