期刊
MATERIALS LETTERS
卷 64, 期 8, 页码 921-923出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2010.01.059
关键词
SnO2 micro-tubes; Anode; Electrochemical performance; Lithium-ion battery
资金
- Foundation of XJTU [08140006]
- Xi'an Applied Materials Innovation Fund [090071181]
Porous SnO2 micro-tubes were synthesized by the thermal decomposition of SnC2O4 precursor. The morphology of SnC2O4 could be preserved after the controlled heat treatment and a lot of mesopores left due to the release of gases. The mesoporous nature with a range of 3-50 nm was characterized by BET method. SEM images showed that the obtained SnO2 samples were rhombic tube-like with swallow-tailed nozzles. When the porous SnO2 micro-tubes were used as anode materials for lithium-ion battery, they exhibited high lithium storage capacity and coulomb efficiency. In addition, CV results demonstrated that the formation of Li2O at high voltage was partially reversible reactions. (C) 2010 Elsevier B.V. All rights reserved.
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