Tungsten Trioxide (WO3) Nanoparticles as a New Anode Material for Sodium-Ion Batteries

被引：14
|
作者：
Santhosha, A. L. [2 ]
Das, Shyamal K. [1 ]
Bhattacharyya, Aninda J. [2 ]
机构：
[1] Tezpur Univ, Dept Phys, Tezpur 784028, Assam, India
[2] Indian Inst Sci, Solid State & Struct Chem Unit, Bangalore 560012, Karnataka, India
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2016年 / 16卷 / 04期
关键词：
Energy Storage and Conversion; Nanoparticles; Carbon Materials; Nanocomposites; Tungsten Trioxide; Sodium-Ion Battery; ELECTROCHEMICAL PERFORMANCE; ENERGY-STORAGE; NANOTUBE ANODE; CARBON; OXIDE; ELECTRODE; NANOSTRUCTURES; CHALLENGES; SYSTEMS;
D O I：
10.1166/jnn.2016.11786
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Tungsten trioxide (WO3) is investigated for the first time as an anode material for sodium-ion batteries. Pristine WO3 displays a discharge potential plateau at 1 V and exhibits a 1st discharge cycle sodium storage capacity of 640 mAh g(-1). Electronic wiring of WO3 with graphene oxide (GO, 1% by weight) led to a significant increase in the storage capacity and cyclability of WO3. As a result, the discharge capacity of 1% GO-WO3 is enhanced to 927 mAh g(-1) in the 1st discharge cycle. The electrochemical intercalation of Na in to WO3 and (1%) GO-WO3 as obtained from galvanostatic charge/discharge cycling is also supported by cyclic voltammetry.
引用
收藏
页码：4131 / 4135
页数：5
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