钠离子电池正极材料的研究进展

The research progress of cathode material for sodium-ion batteries

钠离子电池与锂离子电池相比,具有钠资源储量丰富、价格低廉等优点,被认为是发展新能源、实现规模化储能极具潜力的二次电池。近年来钠离子电池成为人们研究的热点,相关报道也在逐年增加。综述了钠离子电池正极材料发展中典型化合物,如过渡金属氧化物、聚阴离子化合物等的研究进展,以及目前人们主要采用的纳米化、包覆、掺杂等几种有效的改性手段,并对正极材料未来的研究方向以及发展前景提出了展望。

Compared with lithium-ion batteries,sodium sodium-ion batteries has the resources was abundant,the price was low wait for an advantage,and was considered to be potential secondary battery of development new energy,realizing large-scale energy storage. Sodium-ion batteries in recent years become the research hot spot,the relevant report also increased year by year. This paper reviews development of the typical compounds in sodium-ion battery cathode material,such as transition metal oxides,polyanionic compounds; and the effective modification methods adopting by people such as nano-technology,coating,cladding,etc. Then,the research direction and prospects for development of sodium-ion batteries are forecasted.