期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 42, 期 36, 页码 22965-22972出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2017.07.211
关键词
Ti2Nb10O29; High-rate; Anode materials; Lithium storage applications
资金
- National Natural Science Foundation of China [51631004, 21673095]
- Project of Science and Technology Development Plan of Jilin Province [20170414010GH]
- Special Fund for Industrial Innovation in Jilin Province [2016C039]
Ti2Nb10O29 (TNO) microspheres are fabricated combining a solvothermal method with a subsequent heat-treatment. Structural and morphological properties of the as-prepared material have been characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and nitrogen adsorption/desorption. The electro-chemical performance is evaluated by performing cyclic voltammograms and galvanostatic discharge/charge tests. The electrochemical characterization demonstrates that the as-prepared TNO microspheres exhibit a good electrochemical performance with a discharge capacity of 185 mAh g(-1) after 200 cycles and a capacity retention of 94% at 10 C. Furthermore, since TNO may react with Li at a voltage above 1.0 V vs. Li+/Li, TNO micro spheres could be the promising high-power anode materials for 2 V vs. Li+/Li lithium-ion batteries applications. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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