Ag掺杂对锂离子电池负极材料TiNb2O7的电化学性能影响

来源 :第31届全国化学与物理电源学术年会 | 被引量 : 0次 | 上传用户：dsgver5r33

【摘要】

：

作为锂离子电池候选负极材料TiNb2O7在2011年被Goodenough首次提出[1],TiNb2O7中的还原电对有Nb5+/Nb4+,Nb4+/Nb3+,Ti4+/Ti3+,可以与5个Li+发生氧化还原反应,理论嵌锂容量387mAhg-1,平均嵌锂电压为1.6V左右.因此,TiNb2O7负极材料避免了SEI膜的形成和锂枝晶的发生,有出色的安全性能和充放电比容量,在锂离子电池负极材料方面有着重要

【作者】

：

闻小燕马晨翔杜陈强朱江涛唐致远

【机构】

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天津大学应用化学,卫津路92号,天津,30072

【出处】

：

第31届全国化学与物理电源学术年会

【发表日期】

：

2015年6期

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Ag掺杂对锂离子电池负极材料TiNb2O7的电化学性能影响

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