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Vertically Oriented Sn3O4 Nanoflakes Directly Grown on Carbon Fiber Cloth for High-Performance Lithium Storage

Abstract

Tin-based oxides are considered to be promising candidates for lithium-ion batteries (LIBs) anode materials due to their high theoretical capacities. However, the low conductivity and drastic volume expansion/contraction during reaction with Li+ ions greatly limit their practical applications. Herein, we have successfully grown vertically aligned Sn3O4 nanoflakes on the carbon fiber cloth (CFC) substrate by a hydrothermal method, referred to as Sn3O4@CFC. As a binder-free flexible anode for LIBs, this composite can not only accommodate the structural strain upon cycling, but also improve the electrical conductivity. As a consequence, Sn3O4@CFC electrode manifests high specific capacity and good cycling stability. It exhibits high specific capacity of around 1500 mA h g-1 at 100 mA g-1, superior rate capability (835.6 mA h g-1 at high current density up to 2000 mA g-1) and good cyclic stability with 66.2 % capacity retention over 200 cycles at 1000 mA g-1.

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Publication details

The article was received on 26 Feb 2019, accepted on 09 Apr 2019 and first published on 10 Apr 2019


Article type: Research Article
DOI: 10.1039/C9QI00212J
Citation: Inorg. Chem. Front., 2019, Accepted Manuscript

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    Vertically Oriented Sn3O4 Nanoflakes Directly Grown on Carbon Fiber Cloth for High-Performance Lithium Storage

    H. Jia, X. Cao, A. Pan, L. Huang, B. Yin, J. Chen, X. Tan, Y. Tang, M. Han and S. Liang, Inorg. Chem. Front., 2019, Accepted Manuscript , DOI: 10.1039/C9QI00212J

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