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Architecture design of nitrogen-doped 3D bubble-like porous graphene for high performance sodium ion batteries

Abstract

N-doped 3D bubble-like porous graphene is synthesized through a simple template directed method, using polystyrene nanospheres as template and low-cost industrial melamine as the nitrogen source. The as-resulted N-3DPGX possesses high specific surface area, uniform and controllable porous structure and high nitrogen doping content. Benefiting from these features mentioned above, the as-obtained N-3DPG4 as anode for sodium ion batteries delivers a high specific capacity of 310 mA h g-1 after 500 cycles at a current density of 0.2 A g-1, and also excellent rate capability as high as 169 mA h g-1 at 10 A g-1. This simple synthetic method, unique porous structure and outstanding electrochemical performance enable the N-3DPG to be promising candidates for sodium ion batteries in large-scale electrochemical energy storage.

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Publication details

The article was received on 16 Sep 2017, accepted on 11 Oct 2017 and first published on 13 Oct 2017


Article type: Research Article
DOI: 10.1039/C7QI00574A
Citation: Inorg. Chem. Front., 2017, Accepted Manuscript
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    Architecture design of nitrogen-doped 3D bubble-like porous graphene for high performance sodium ion batteries

    Y. Qiao, X. Cheng, Y. Liu, R. Han, M. Ma, Q. Li, H. Dong, X. Li and S. Yang, Inorg. Chem. Front., 2017, Accepted Manuscript , DOI: 10.1039/C7QI00574A

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