钠离子电池关键材料技术研究

Research on key material technology of sodium ion batteries

近年来,受新能源汽车、储能产业需求拉动,电池产业迎来爆发式增长。由于钠离子电池具有资源丰富、成本更加低廉的优势,逐渐受到科研机构及企业的青睐。本文对钠离子电池与锂离子电池进行对比分析,梳理钠离子电池产业化现状,阐述钠离子电池正极、负极、隔膜、电解质等核心材料技术特点及路线,结合钠离子电池规模化应用面临的现实问题,提出开展钠离子电池材料产业化攻关的技术难点。

In recent years,driven by the demand for new energy vehicles and energy storage industries,the battery industry has witnessed explosive growth.Due to the advantages of abundant resources and lower cost,sodium ion batteries are gradually favored by scientific research institutions and enterprises.This article compares and analyzes sodium ion batteries and lithium ion batteries,combs the current situation of sodium ion battery industrialization and relevant national policies,expounds the technical characteristics and routes of core materials such as positive electrode,negative electrode,membrane,electrolyte(quality),and puts forward countermeasures and suggestions for carrying out the industrialization of sodium ion battery materials in combination with the practical problems that restrict the large-scale application of sodium ion batteries.