3D free-standing nitrogen-doped reduced graphene oxide aerogel as anode material for sodium ion batteries with enhanced sodium storage

Abstract Sodium ion batteries have drawn extensive attentions for large-scale energy storage to replace lithium ion batteries primarily due to the natural abundance of sodium resource and low cost, but their energy density and electrochemical performance are hindered by the sluggish diffusion kineti...

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Autores principales:	Jiao Zhang, Chuanqi Li, Zhikun Peng, Yushan Liu, Jianmin Zhang, Zhongyi Liu, Dan Li
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/994ab5878e034895b718fab05cdd475b
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spelling	oai:doaj.org-article:994ab5878e034895b718fab05cdd475b2021-12-02T16:06:46Z3D free-standing nitrogen-doped reduced graphene oxide aerogel as anode material for sodium ion batteries with enhanced sodium storage10.1038/s41598-017-04958-12045-2322https://doaj.org/article/994ab5878e034895b718fab05cdd475b2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04958-1https://doaj.org/toc/2045-2322Abstract Sodium ion batteries have drawn extensive attentions for large-scale energy storage to replace lithium ion batteries primarily due to the natural abundance of sodium resource and low cost, but their energy density and electrochemical performance are hindered by the sluggish diffusion kinetics of sodium ion. Herein, free-standing nitrogen-doped graphene aerogel has been fabricated via hydrothermal reaction as the potential anode material for sodium ion batteries. The three dimensional porous network structure of the graphene aerogel provides sufficient interstitial space for sodium ion accommodation, allowing fast and reversible ion intercalation/de-intercalation. The nitrogen doping could introduce defects on the graphene sheets, making the feasible transport of large-sized sodium ion. Benefiting from the effective structure and nitrogen doping, the obtained material demonstrates high reversible capacities, good cycling performance (287.9 mA h g−1 after 200 cycles at a current density of 100 mA g−1), especially superior rate capability (151.9 mA h g−1 at a high current density of 5 A g−1).Jiao ZhangChuanqi LiZhikun PengYushan LiuJianmin ZhangZhongyi LiuDan LiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jiao Zhang Chuanqi Li Zhikun Peng Yushan Liu Jianmin Zhang Zhongyi Liu Dan Li 3D free-standing nitrogen-doped reduced graphene oxide aerogel as anode material for sodium ion batteries with enhanced sodium storage
description	Abstract Sodium ion batteries have drawn extensive attentions for large-scale energy storage to replace lithium ion batteries primarily due to the natural abundance of sodium resource and low cost, but their energy density and electrochemical performance are hindered by the sluggish diffusion kinetics of sodium ion. Herein, free-standing nitrogen-doped graphene aerogel has been fabricated via hydrothermal reaction as the potential anode material for sodium ion batteries. The three dimensional porous network structure of the graphene aerogel provides sufficient interstitial space for sodium ion accommodation, allowing fast and reversible ion intercalation/de-intercalation. The nitrogen doping could introduce defects on the graphene sheets, making the feasible transport of large-sized sodium ion. Benefiting from the effective structure and nitrogen doping, the obtained material demonstrates high reversible capacities, good cycling performance (287.9 mA h g−1 after 200 cycles at a current density of 100 mA g−1), especially superior rate capability (151.9 mA h g−1 at a high current density of 5 A g−1).
format	article
author	Jiao Zhang Chuanqi Li Zhikun Peng Yushan Liu Jianmin Zhang Zhongyi Liu Dan Li
author_facet	Jiao Zhang Chuanqi Li Zhikun Peng Yushan Liu Jianmin Zhang Zhongyi Liu Dan Li
author_sort	Jiao Zhang
title	3D free-standing nitrogen-doped reduced graphene oxide aerogel as anode material for sodium ion batteries with enhanced sodium storage
title_short	3D free-standing nitrogen-doped reduced graphene oxide aerogel as anode material for sodium ion batteries with enhanced sodium storage
title_full	3D free-standing nitrogen-doped reduced graphene oxide aerogel as anode material for sodium ion batteries with enhanced sodium storage
title_fullStr	3D free-standing nitrogen-doped reduced graphene oxide aerogel as anode material for sodium ion batteries with enhanced sodium storage
title_full_unstemmed	3D free-standing nitrogen-doped reduced graphene oxide aerogel as anode material for sodium ion batteries with enhanced sodium storage
title_sort	3d free-standing nitrogen-doped reduced graphene oxide aerogel as anode material for sodium ion batteries with enhanced sodium storage
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/994ab5878e034895b718fab05cdd475b
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3D free-standing nitrogen-doped reduced graphene oxide aerogel as anode material for sodium ion batteries with enhanced sodium storage

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