期刊
ELECTROCHIMICA ACTA
卷 170, 期 -, 页码 229-233出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2015.04.136
关键词
ZrV2O7; Sol-gel; cathode; rechargeable Li batteries
资金
- Fundamental Research Funds for the Central Universities [2014ZB0014]
- NSFC through NSFC Committee of China [51402107]
Rechargeable Li-based electrochemical cells are regarded as the most promising candidate for electric vehicle (EV) applications. High-capacity cathode combined with Li anode is a excellent and realizable choice to promote the endurance of rechargeable Li batteries. In this paper, single phase of zirconium pyrovanadate ZrV2O7 was first synthesized via sol-gel method in a low sintering temperature of 500 degrees C. The Li-absent mixed-metal-oxide ZrV2O7, previously regarded as negative thermal expansion (NTE) material only, revealed a high specific capacity of 282.6 mAh g(-1) and a voltage plateau of 2.48 V vs. Li as potential cathode for rechargeable Li batteries. These findings suggest that the ZrV2O7 after further optimization can be employed as high-capacity electrode for rechargeable Li batteries. (C) 2015 Elsevier Ltd. All rights reserved.
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