Fe2(MoO4)3/Nanosilver Composite as a Cathode for Sodium-Ion Batteries

被引：16

作者：

VanTu Nguyen ^{[1
]}

Liu, YueLi ^{[1
]}

Yang, Xue ^{[1
]}

Chenz, Wen ^{[1
]}

机构：

[1] Wuhan Univ Technol, Sch Mat Sci & Engn, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

来源：

ECS ELECTROCHEMISTRY LETTERS | 2015年 / 4卷 / 03期

关键词：

FLUOROPHOSPHATE; INSERTION;

D O I：

10.1149/2.0021503eel

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The precursor of Fe-2(MoO4)(3) has been synthesized by precipitation method, which is used to prepare high-capacity cathode material Fe-2(MoO4)(3)/nanosilver composite for sodium-ion batteries. The silver modifying does not affect the monoclinic structure of Fe-2(MoO4)(3) but improves its kinetics in terms of discharge capacity and rate capability. AC impedance measurements show that the Ag modification decreases the charge transfer resistance of Fe-2(MoO4)(3)/nanosilver composite cathodes. Electrochemical studies confirm that the Fe-2(MoO4)(3)/nanosilver composite exhibits capacity of 90 mAhg(-1), and retains 84.5 % of capacity even after 50 cycles. (C) 2014 The Electrochemical Society.

引用

页码：A29 / A32

页数：4

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