Impact of Fe doping on performance of NaTi2(PO4)3/C anode for aqueous Lithium ion battery

被引：28
作者：
Huang, Zhiqiang [1 ]
Yao, Meng [2 ]
Jiang, Zhen [2 ]
Meng, Weiwen [2 ]
Li, Bin [2 ]
Li, Cong [2 ]
Li, Chuanchang [3 ]
He, Zhangxing [2 ,4 ]
Meng, Wei [2 ]
Dai, Lei [2 ,4 ]
Wang, Ling [2 ,4 ]
机构：
[1] Jiangxi Univ Sci & Technol, Sch Resource & Environm Engn, Ganzhou 34100, Peoples R China
[2] North China Univ Sci & Technol, Sch Chem Engn, Tangshan 063009, Peoples R China
[3] Changsha Univ Sci & Technol, Educ Dept Hunan Prov, Key Lab Efficient & Clean Energy Utilizat, Changsha 10114, Hunan, Peoples R China
[4] North China Univ Sci & Technol, Hebei Prov Key Lab Photocatalyt & Electrocatalyt, Tangshan 063009, Peoples R China
来源：
SOLID STATE IONICS | 2018年 / 327卷
基金：
中国国家自然科学基金;
关键词：
Aqueous lithium ion battery; Anode aTi(2)(PO4)(3); Fe doping; Electrochemical performance; N-DOPED CARBON; ELECTROCHEMICAL PERFORMANCE; CATHODE; ELECTRODE; PROGRESS; HYBRID;
D O I：
10.1016/j.ssi.2018.10.013
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
NaTi2(PO4)(3) exhibits extensive prospect as anode for aqueous lithium ion battery (ALIB) in terms of open and stable framework. However, low conductivity of NaTi2(PO4)(3) adversely affects the electrochemical performance. In this work, Na1+xTi2-xFex(PO4)(3)/C (x = 0.00, 0.05, 0.10, and 0.30) composites as anodes for ALIB were synthesized, and impact of Fe doping on microstructure and performance of NaTi2(PO4)(3)/C was examined systematically. Among composites with various content of doped Fe, Na1+xTi2-xFex(PO4)(3)/C (NC-Fe-10) demonstrates outstanding electrochemical performance. NC-Fe-10 delivers the discharge capacity of 103.1 inAh g(-1) at 5C and 77.7 rnAh g(-1) at 15C, respectively. In addition, capacity retention of NC-Fe-10 keeps 94.4% after 300 cycles at 5C, demonstrating outstanding cycling performance. This work reveals that Fe doping is an efficient method for raising the performance of NaTi2(PO4)(3) as anode for ALIB.
引用
收藏
页码：123 / 128
页数：6
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