Sustainable and efficient energy storage devices are crucial to meet the soaring global energy demand. In this context, Na-ion batteries (NIBs) have emerged as one of the excellent alternatives to the Li-ion batteries, due to the uniform geographical distribution, abundance, cost-effectiveness, comparable operating voltage as well as similar intercalation chemistry. However, due to larger size of Na and other related issues, a subtle strategy of research is required for the development of electrode materials for NIBs to enhance overall electrochemical performance. Here, we provide a comprehensive review on recent advances of polyanionic cathode materials for NIBs for cost effective and large scale energy storage applications. Owing to their great thermal and chemical stability, high redox potential (inductive effect), and rich structural diversity, polyanionic cathodes have been considered potential candidates in recent years. We cover a large number of polyanionic materials and conclude with the strategies to improve the energy and power density of NIB.

中文翻译：

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钠离子电池中聚阴离子正极材料在成本效益型储能应用中的最新进展综合综述

可持续和高效的储能设备对于满足日益增长的全球能源需求至关重要。在这种情况下，钠离子电池 (NIB) 已成为锂离子电池的绝佳替代品之一，因为它具有均匀的地理分布、丰富的资源、成本效益、可比的工作电压以及类似的嵌入化学。然而，由于 Na 的尺寸较大和其他相关问题，需要一种微妙的研究策略来开发 NIB 的电极材料以提高整体电化学性能。在这里，我们全面回顾了用于 NIB 的聚阴离子阴极材料在成本效益和大规模储能应用方面的最新进展。由于它们具有良好的热稳定性和化学稳定性、高氧化还原电位（感应效应）和丰富的结构多样性，近年来，聚阴离子阴极被认为是潜在的候选材料。我们涵盖了大量的聚阴离子材料，并总结了提高 NIB 能量和功率密度的策略。