期刊
JOURNAL OF POWER SOURCES
卷 196, 期 11, 页码 5133-5137出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2011.01.105
关键词
Anatase; Titania nanotubes; Carbon; Anode; Lithium-ion batteries
资金
- Korean Government (MEST) [2010-0022325]
- National Research Foundation of Korea [2010-0022325] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Carbon-coated TiO2 nanotubes are prepared by a simple one-step hydrothermal method with an addition of glucose in the starting powder, and are characterized by morphological analysis and electrochemical measurement. A thin carbon coating on the nanotube surface effectively suppresses severe agglomeration of TiO2 nanotubes during hydrothermal reaction and post calcination. This action results in better ionic and electronic kinetics when applied to lithium-ion batteries. Consequently, carbon-coated TiO2 nanotubes deliver a remarkable lithium-ion intercalation/deintercalation performance, such as reversible capacities of 286 and 150 mAh g(-1) at 250 and 7500 mA g(-1), respectively. (C) 2011 Elsevier B.V. All rights reserved.
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