SHEN Xiaohui, SHAO Le, TIAN Zhanyuan
(Shaanxi Coal and Chemical Technology Institute Co., Ltd., Xi’an 710065, Shaanxi, China)

Abstract: Sodium ion batteries (SIBs) receive significant attention for electrochemical energy storage and conversion owing to the large abundance of sodium resources and its low cost. In recent years, the key materials and related technology of sodium ion batteries have developed rapidly and made significant progress, related components have been enriched. The recent advancements of cathode and anode materials for sodium ion batteries are reviewed in details, which have significant effects on the electrode performance. The main problems of these kinds of electrode materials are discussed and the probable strategies are proposed. Finally, the research directions of sodium ion batteries in the future are also forecasted.

Key words: sodium ion batteries; cathode material; anode material