Issue 4, 2021

Progress in and application prospects of advanced and cost-effective iron (Fe)-based cathode materials for sodium-ion batteries

Abstract

Sodium-ion batteries (SIBs) have received extensive attention in recent years and are expected to become one of the alternatives to lithium-ion batteries (LIBs). Among the various cathode materials for SIBs, iron-based materials have become the most suitable ones for grid-scale energy storage-conversion systems due to the rich natural abundance of sodium, low cost, high safety, and non-toxicity. To date, many studies have been conducted on iron-based cathode materials, and some progress has been made. To facilitate further research and development of such types of iron-based SIB cathode materials toward practical applications, we have prepared this comprehensive review to better understand the properties of various iron-based cathode materials and further improve their electrochemical performance. In this paper, the research progress in iron-based cathode materials for SIBs, including oxides, polyanionic compounds, Prussian blue compounds, and Na-free cathode materials, is systematically summarized in terms of their synthesis, characterization, functional mechanisms, and performance validation/optimization. Several technical challenges are analyzed with the proposed strategies for overcoming the challenges toward practical applications of iron-based cathode materials in SIBs.

Graphical abstract: Progress in and application prospects of advanced and cost-effective iron (Fe)-based cathode materials for sodium-ion batteries

Article information

Article type
Review Article
Submitted
31 10 2020
Accepted
01 12 2020
First published
08 12 2020

J. Mater. Chem. A, 2021,9, 1938-1969

Progress in and application prospects of advanced and cost-effective iron (Fe)-based cathode materials for sodium-ion batteries

X. Wang, S. Roy, Q. Shi, Y. Li, Y. Zhao and J. Zhang, J. Mater. Chem. A, 2021, 9, 1938 DOI: 10.1039/D0TA10610K

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