中文摘要：

钠离子电池具有比能量高、安全性能好、价格低廉等优点,在储能领域有望成为锂离子电池的替代品。本文阐述了钠离子电池的研究现状,对钠离子电池研究的正负极材料、电解质的制备以及其电化学性能作了概述性讨论。正极材料有氧化物型、聚阴离子型;负极材料有碳基材料、钛基材料和合金负极材料等;电解液有有机溶剂电解液和凝胶聚合物电解液,并分别阐明了各种材料的优势和局限性。最后指出了这类高效钠二次电池体系有可能逐渐替代锂离子电池,并指明了现阶段发展钠离子的主要问题是不同体系材料的相互匹配。

英文摘要：

Na-ion battery is one of the possible replacements for Li-ion battery for energy storage,due to its high energy density,high safety,and low cost.In this paper,research progress of Na-ion batteries is reviewed,including preparation and electrochemical performance of positive electrodes,negative electrodes and electrolytes.Positive electrodes include oxides,phosphates.Negative electrodes include carbon based-anodes,titanium based-anodes and alloy anodes.Electrolytes include organic electrolytes and gel polymer electrolytes.The advantages and limitations of materials are presented.Na-ion secondary battery could gradually replace Li-ion battery,and the present main problem is matching of different system materials.