articleAdvanced Energy MaterialsJan 4, 2026Closed access

A Review of Revealing the Impact of Transition Metals in Polyanionic Cathode Material Na 4 M 3 (PO 4 ) 2 P 2 O 7 : Kinetic, Mechanisms and Optimization Strategies

Nanjing University of Science and Technology · Australian Synchrotron · +3 more institutions

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Abstract

ABSTRACT The growing demand for environmental protection and renewable energy will drive a continuous increase in the need for electrochemical energy storage systems. Sodium‐ion batteries (SIBs) have emerged as an ideal candidate for large‐scale energy storage technologies as a result of their advantages of abundant resources. Among the contenders, Na 4 M 3 (PO 4 ) 2 P 2 O 7 (M = Fe, Co, Mn, Ni) system materials have attracted extensive attention because of their robust three‐dimensional open framework and sodium storage performance. However, the performance differences among materials caused by variations in transition metals still need further summarization. Therefore, this review article provides a…

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