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Synthesis of LiV3O8 nanorods and shape-dependent electrochemical performance

Published online by Cambridge University Press:  01 January 2011

Peng Zhao ,
Dingsheng Wang ,
Jun Lu ,
Caiyun Nan ,
Xiaoling Xiao  and
Yadong Li
Peng Zhao
Affiliation:
State Key Laboratory of New Ceramics and Fine Processing, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
Dingsheng Wang*
Affiliation:
State Key Laboratory of New Ceramics and Fine Processing, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
Jun Lu
Affiliation:
State Key Laboratory of New Ceramics and Fine Processing, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
Caiyun Nan
Affiliation:
State Key Laboratory of New Ceramics and Fine Processing, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
Xiaoling Xiao
Affiliation:
State Key Laboratory of New Ceramics and Fine Processing, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
Yadong Li
Affiliation:
State Key Laboratory of New Ceramics and Fine Processing, Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Shape control of nanocrystals has become an indispensable part in material research, such as developing new battery raw materials and synthesizing high activity catalysts. In this work, one-dimensional LiV3O8 nanorods have been fabricated by high temperature solid-state reaction using V2O5 nanowires as precursors obtained via a hydrothermal method. The as-prepared LiV3O8 nanorods were characterized by x-ray diffraction, transmission electron microscopy, scanning electron microscopy, and galvanostatic tests, compared with LiV3O8 samples synthesized by the traditional one-step solid-state method. The results show that LiV3O8 nanorods exhibited better electrochemical performance than those synthesized by the traditional method, indicating that a different shape will lead to huge distinctions in electrochemical properties. This work demonstrates that Li-insertion/deintercalation dynamics might be crystal morphology-sensitive.

Type
Articles
Information
Journal of Materials Research , Volume 26 , Issue 3 , 14 February 2011 , pp. 424 - 429
Copyright
Copyright © Materials Research Society 2011

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