Anodic Synthesis of Hierarchical SnS/SnOx Hollow Nanospheres and Their Application for High‐Performance Na‐Ion Batteries

Constructing hollow nanostructures is attractive for both fundamental research and practical applications. However, how to prepare hollow nanostructures in a simple, scalable, and cost‐effective way still remains a great challenge. In this study, for the first time, the anodization technique is appl...

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Bibliographic Details
Published inAdvanced functional materials Vol. 29; no. 24
Main Authors Bian, Haidong, Li, Zebiao, Xiao, Xufen, Schmuki, Patrik, Lu, Jian, Li, Yang Yang
Format Journal Article
LanguageEnglish
Published Hoboken Wiley Subscription Services, Inc 13.06.2019
Subjects
anodization
hollow nanostructures
Materials science
Nanospheres
Nanostructure
Na‐ion batteries
Rechargeable batteries
SnOx
SnS
Sodium-ion batteries
Structural hierarchy
Substrates
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Summary:Constructing hollow nanostructures is attractive for both fundamental research and practical applications. However, how to prepare hollow nanostructures in a simple, scalable, and cost‐effective way still remains a great challenge. In this study, for the first time, the anodization technique is applied to construct hollow nanostructures. Specifically, hollow nanospheres of SnS/SnOx with a hierarchical porous structure are self‐assembled directly on the Sn substrate, via a convenient one‐step anodization method. When applied for sodium‐ion batteries, the thus fabricated SnS/SnOx hollow nanospheres on the substrate readily serve as a binder‐free electrode, delivering remarkably high cycling stability and rate capability. Hierarchical SnS/SnOx hollow nanospheres fabricated via a simple, scalable, and cost‐effective anodization method for high‐performance sodium storage are reported.
ISSN:1616-301X
1616-3028
DOI:10.1002/adfm.201901000