钠电硬碳负极材料的研究进展  

Research Progress of Sodium-electric Hard Carbon Cathode Materials

作　　者：王茹萍 WANG Ruping(School of Chemical and Materials Engineering,Wenzhou University,Wenzhou 325000,China)

机构地区：[1]温州大学化学与材料工程学院,浙江温州325000

出　　处：《化工技术与开发》2023年第5期55-58,54,共5页Technology & Development of Chemical Industry

摘　　要：由于低成本、高可逆容量和低工作电位,钠离子电池(SIB)被认为是众多储能系统中最有前途的锂电替代产品之一。SIBs的商业化应用依赖于先进的正负极材料的开发。硬碳内部具有精密的纹理(封闭的孔隙和缺陷)和大的微晶层间距,因具有稳定性高、应用广泛、成本低廉、性能优异等优点,成为最有前途的电池负极材料,但它的初始库伦效率(ICE)较低,因此本文详细介绍了提高硬碳ICE的有效策略。Due to low cost,high reversible capacity and low operating potential,sodium ion batteries(SIBs)were considered as one of the most promising materials to replace lithium for many energy storage systems.While the commercial application of SIBs relied on the development of advanced cathode and anode materials.Hard carbon with precise textures(closed pores and defects)and large microcrystalline layer spacing inside was the most promising battery anode material due to its high stability,wide application,low cost and excellent performance.However,it had a low initial Coulomb efficiency(ICE),so this paper detailed an effective strategy on how to improve the ICE of hard carbon.

关 键 词：钠离子电池 硬碳 钠离子储存机制 低初始库仑效率 

分 类 号：TM912[电气工程—电力电子与电力传动]