Stepwise chelation-etching synthesis of carbon-confined ultrafine SnO2 nanoparticles for stable sodium storage

Yuanjie Zhang; Jiashen Meng; Xuanpeng Wang; Xiong Liu; Xiaoming Xu; Ziang Liu; Kwadwo Asare Owusu; Congyun Huang; Qi Li; Liqiang Mai

doi:10.1039/C7CC08959G

Stepwise chelation-etching synthesis of carbon-confined ultrafine SnO₂ nanoparticles for stable sodium storage†

Yuanjie Zhang,^a Jiashen Meng,^a Xuanpeng Wang,^a Xiong Liu,^a Xiaoming Xu,^a Ziang Liu,^a Kwadwo Asare Owusu,^a Congyun Huang,^b Qi Li*^a and Liqiang Mai

*^a

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^a State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei, China
E-mail: qi.li@whut.edu.cn, mlq518@whut.edu.cn

^b School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China

Abstract

A stepwise chelation-etching approach to synthesize carbon-confined ultrafine SnO₂ nanoparticles was developed via conformal coating with polydopamine and chelation-etching with ethylenediaminetetraacetic acid (EDTA). EDTA plays a crucial role in the ordered removal of cobalt and tin. The obtained composite exhibits superior sodium storage performance.

Chemical Communications

Stepwise chelation-etching synthesis of carbon-confined ultrafine SnO₂ nanoparticles for stable sodium storage†

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Stepwise chelation-etching synthesis of carbon-confined ultrafine SnO₂ nanoparticles for stable sodium storage

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Chemical Communications