广东电力2018，Vol.31Issue(2)：10-17,8.DOI:10.3969/j.issn.1007-290X.2018.002.002
钠离子电池硬碳负极材料首周效率的研究进展
Research Progress of Initial Coulombic Efficiency of Hard Carbon Anode Materials for Sodium Ion Battery
摘要
Abstract
Sodium ion battery has advantages of abundant original materials,low costs and so on and its commercial applica-tion depends on development of its cathode and anode materials while the anode materials are critical components. In nu-merous anode materials,hard carbon has advantages of appropriate sodiation potential,high capacity,long cycle life and good rate capability as well as plentiful original materials and simple preparation,it is regarded as the most likely anode ma-terial of sodium ion battery for realizing commercial application.But the low initial coulombic efficiency of hard carbon seri-ously affects its application in full cell battery.Therefore,this paper summarizes and analyzes the research progress of hard carbon in aspects of the influence of initial coulombic efficiency on full cell battery,the influencing factors and improvement methods of the initial coulombic efficiency.The paper points out it is able to effectively improve initial coulombic efficiency by reducing specific surface area,increasing synthesis temperature,reducing surface functional groups and regulating electro-lyte composition.Corresponding analysis indicates further understanding of initial coulombic efficiency is beneficial to devel-op high capacity and high efficiency hard carbon material and promote the commercial application of sodium ion battery.关键词
钠离子电池/硬碳/负极/储能/库伦效率Key words
sodium ion battery/hard carbon/anode/energy storage/coulombic efficiency分类
信息技术与安全科学引用本文复制引用
徐凯琪,苏伟,钟国彬,王超..钠离子电池硬碳负极材料首周效率的研究进展[J].广东电力,2018,31(2):10-17,8.基金项目
中国南方电网有限责任公司科技项目(GDKJXM20161890) （GDKJXM20161890）
国家重点研发计划项目(2016YFB0901600) （2016YFB0901600）
