Recent Advances in Sodium-Ion Battery Materials

Abstract

Grid-scale energy storage systems with low-cost and high-performance electrodes are needed to meet the requirements of sustainable energy systems. Due to the wide abundance and low cost of sodium resources and their similar electrochemistry to the established lithium-ion batteries, sodium-ion batteries (SIBs) have attracted considerable interest as ideal candidates for grid-scale energy storage systems. In the past decade, though tremendous efforts have been made to promote the development of SIBs, and significant advances have been achieved, further improvements are still required in terms of energy/ power density and long cyclic stability for commercialization. In this review, the latest progress in electrode materials for SIBs, including a variety of promising cathodes and anodes, is briefly summarized. Besides, the sodium storage mechanisms, endeavors on electrochemical property enhancements, structural and compositional optimizations, challenges and perspectives of the electrode materials for SIBs are discussed. Though enormous challenges may lie ahead, we believe that through intensive research efforts, sodium-ion batteries with low operation cost and longevity will be commercialized for large-scale energy storage application in the near future.

Synthesis of CuS@CoS2 Double‐Shelled Nanoboxes with Enhanced Sodium Storage Properties

“…Developing efficient anode materials is highly desirable to promote the practical implementation of SIBs . Owing to the high capacity and good electrochemical reversibility, various metal sulfides, such as CoS x , CuS x , SnS x , FeS x , have been reported for sodium storage . However, most of them suffer from poor conductivity and large volume change during electrochemical reactions, which cause limited rate and cycling performance.…”

Bullet‐like Cu9S5 Hollow Particles Coated with Nitrogen‐Doped Carbon for Sodium‐Ion Batteries

“…Sodium‐ion batteries (SIBs) have been considered as a promising alternative to lithium‐ion batteries for large‐scale energy‐storage application in view of the low‐cost and abundance of sodium . Owing to the large size and sluggish diffusion kinetics of Na + ions, it is a great challenge to explore suitable host materials that can effectively and reversibly accommodate Na + ions .…”

A Water Stable, Near‐Zero‐Strain O3‐Layered Titanium‐Based Anode for Long Cycle Sodium‐Ion Battery

“…In recent decades, sodium‐ion batteries (SIBs) have attracted rising attention in the research community and industry due to sodium resource abundancy, low cost, and environmental friendliness . Among reported SIB electrode materials, layered intercalation compounds Na x MO 2 (M = Ni, Mn, Co, Cu, Ti, etc.)…”