文献类型：会议论文

中文题名：Effect of Fluorine Content on the Electrochemical Properties of Pvdf-Derived Carbons for Lithium Ion Battery

作者：Lu Shi;Chaolin Miao;Gairong Chen;Bin Xu;Shi Chen

第一作者：史璐

机构：[1]College of Chemistry and Chemical Engineering,Xinxiang University,Henan Xinxiang 453000,China;[2]Research Institute of Chemical Defense,Beijing 100191,China;[3]Beijing Key Laboratory of Environmental Science and Engineering,Beijing Institute of Technology,Beij;

第一机构：新乡学院化学化工学院

会议论文集：2012 2nd International Conference on Advanced Material Research(2012 第二届先进材料研究国际会议 ICAMR2012)论文集

会议日期：20120107

会议地点：成都

主办单位：新加坡电气科学与工程研究所

语种：英文

中文关键词：PVDF-derived carbons;fluorine content;lithium ion battery;specific capacity;coulombic efficiency

摘要：The carbon materials prepared by PVDF carbonization at different temperatures have similar BET surface area and pores volume.The content of fluorine in the carbons decreased with the carbonization temperature from 1.46％(arm ％)at 600 ℃ to 0.18 ％( arm ％)at 1000℃.The first cycle specific capacity and the initial coulombic efficiency decreases with the decrease of fluorine content in the samples.The first cycle discharge capacity decreased from 982 mAh/ g at 600 ℃ to 752 mAh/ g at 1000 ℃ and the initial coulombic efficiency decreased from 31.8％ at 600 ℃ to 24％ at 1000℃.It is believed that fluorine contained in the carbon materials has a positive effect to improve the electrochemical properties as anode materials for Li-ion batteries.