钠离子电池聚阴离子型正极材料的不足与改进
Deficiency and modification of polyanionic cathode materials for sodium-ion battery
谢伟超 1吴剑超 1唐朝辉 2朱贤徐 2张喻升 1李加兴3
作者信息
- 1. 雪天盐业集团股份有限公司,湖南 长沙 410114
- 2. 湖南美特新材料科技有限公司,湖南 长沙 410200
- 3. 雪天盐业集团股份有限公司,湖南 长沙 410114;湖南省井矿盐工程技术研究中心,湖南 长沙 410114
- 折叠
摘要
钠离子电池因钠资源丰富带来的低成本优势,成为锂离子电池潜在的替代方案.聚阴离子化合物作为一种钠离子电池正极材料,凭借结构多样性、高工作电压和高结构稳定性等特点,成为储能电极材料领域的研究热点.基于钠离子电池的工作原理以及材料结构与性能的关系,对正磷酸盐、焦磷酸盐、硫酸盐、氟磷酸盐和混合磷酸盐等聚阴离子正极材料的研究进展进行综述,指出各类材料的不足,并给出可行的改进手段.
Abstract
Sodium-ion battery has emerged as potential alternative to Li-ion battery due to their cost-effectiveness stemming from abundant sodium resources.Polyanionic compounds serve as cathode materials for sodium-ion battery,emerging as a hot research topic of electrode materials for energy storage owing to their structural diversity,high operating voltage and structural stability.Based on the working principle of sodium-ion battery and the relation between material structure and performance,the research progress in polyanionic cathode materials such as orthophosphates,pyrophosphates,sulfates,fluorophosphates and mixed phosphates is summarized.Furthermore,the deficiencies of materials are pointed out,the feasible improvement methods are given.
关键词
钠离子电池/聚阴离子化合物/正极材料/电化学性能/改性Key words
sodium-ion battery/polyanionic compound/cathode material/electrochemical performance/modification引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据