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Title: Double‐shelled nanostructure of SnO2@C tube‐in‐SnO2@C tube boosts lithium‐ion storage
Authors: Tian, Qinghua
Zhang, Feng
Yang, Li
Chen, Peng
Keywords: Engineering::Chemical technology
Issue Date: 2019
Source: Tian, Q., Zhang, F., Yang, L., & Chen, P. (2019). Double‐shelled nanostructure of SnO2@C tube‐in‐SnO2@C tube boosts lithium‐ion storage. Energy Technology, 7(4), 1801048-. doi:10.1002/ente.201801048
Journal: Energy Technology
Abstract: In the case of SnO 2 -based lithium-ion battery anodes, the double-shelled hollow nanostructures are expected to possess better performances than their single-shelled counterparts, but the fabrication of double-shelled hollow nanostructures is more difficult than those with single shell because of the increased complexity of structures. Herein, a complex quasi-SnO 2 @C tube-in-SnO 2 @C tube nanocomposite (SnO 2 @C DHNWs) is successfully fabricated by a well-designed facile strategy. The possible formation mechanism of SnO 2 @C DHNWs is also speculated. More importantly, the as-prepared SnO 2 @C DHNWs show outstanding electrochemical performance as a lithium-ion battery anode, that is, 774.5 and 462.5 mAh g −1 are retained at 200 and 1000 mA g −1 after 450 and even 1000 cycles, respectively, demonstrating high capacity, long lifespan, and good rate performances. Thus, excellent performance makes SnO 2 @C DHNWs a promising anode material for advanced lithium-ion batteries. Moreover, it is worth noting that this work may open up a new route to prepare complex nanostructures of SnO 2 @C composites with various morphologies.
ISSN: 2194-4296
DOI: 10.1002/ente.201801048
Rights: © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SCBE Journal Articles

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