TiO2-B/Ag Nanocomposite Wires Enhanced Electrochemical Performance for Li-ion Batteries

  • Jinlong Wang College of electronic information and engineering, Hangzhou Dianzi University, 310018, Hangzhou
  • Kaixin Song Hangzhou Dianzi University
  • Changqing Tong College of electronic information and engineering, Hangzhou Dianzi University, 310018, Hangzhou
  • Guanglei Tian College of Materials Science and Environment engineering, China Jiliang University, 310018, Hangzhou
  • Jun Wu College of electronic information and engineering, Hangzhou Dianzi University, 310018, Hangzhou
  • Huifang Gao College of electronic information and engineering, Hangzhou Dianzi University, 310018, Hangzhou
  • Junming Xu College of electronic information and engineering, Hangzhou Dianzi University, 310018, Hangzhou

Abstract

In this work, the pristine and Ag-composited TiO2-Bronze (TiO2-B) nanowires are successfully synthesized by hydrothermal method using anatase(P25) as titanium source. The SEM, TEM results reveal that the silver particles are well distributed on the TiO2-B nanowires. Also, the TiO2-B/Ag nanowires are dispersed very well, which demonstrate more Li-ion insertion/extraction hosts exposed to the electrolyte. Moreover, the electrochemical performance tests suggest that compared with the pristine TiO2-B, the Ag-composited TiO2-B (TiO2-B/Ag) shows remarkably higher capacities (~286mAhg-1, closing to the theoretical capacity) and superior rate capability. The reasons causing this performance difference are ascribed to the added silver particles, which could reduce the Li-ion diffusion length and improve the material electrical conductivity.

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Published
2017-09-25
How to Cite
WANG, Jinlong et al. TiO2-B/Ag Nanocomposite Wires Enhanced Electrochemical Performance for Li-ion Batteries. Journal of New Materials for Electrochemical Systems, [S.l.], v. 20, n. 4, p. 183-188, sep. 2017. ISSN 2292-1168. Available at: <http://new-mat.org/ejournal/index.php/jnmes/article/view/319>. Date accessed: 11 dec. 2017. doi: https://doi.org/10.14447/jnmes.v20i4.319.
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