期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 735, 期 -, 页码 319-326出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2017.11.038
关键词
In2O3; Electrospinning; Free-standing anode; Lithium-ion batteries
资金
- NSFC [51673077, 51603078, 21474034]
- National Basic Research Program of China [2013CB922104, 2015CB755602]
- Fundamental Research Funds for the Central Universities [HUST: 2016YXMS029]
- WNLO
Pure In2O3 has a high specific capacity but suffers a short cycling life when used as an anode because of the huge volume change during the lithiation and delithiation processes. To overcome this problem, here In2O3 nanoparticles (10-20 nm)/carbon fiber hybrid mat has been synthesized via a facile electrospinning process. The as-prepared mat is textile-like with considerable flexibility, and directly used as binder-and current collector-free anode for lithium-ion battery. It exhibits a good electrochemical performance with a stable capacity of 435 mA h g(-1) at 100 mA g(-1) after 500 cycles and a high rate performance (190 mA h g(-1) at 1500 mA g(-1)), which are hugely enhanced compared with those of both pure In2O3 and powder In2O3@CF with binder and current collector. This work offers a promising approach to fabricate free-standing flexible anode for practical energy storage and conversion devices. (C) 2017 Published by Elsevier B.V.
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