Towards stable and high‐capacity anode materials for sodium‐ion batteries by embedding of Sb/Sn nanoparticles into electrospun mesoporous carbon fibers

Abstract Antimony and tin are promising anode materials for sodium‐ion batteries due to their high theoretical sodium storage capacities. However, significant volume change during cycling limits their long‐term stability and rate performance. Composite engineering can minimize this problem. A versat...

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Autores principales:	Tian Liu, Runyu Yan, Elinor Josef, Haijian Huang, Long Pan, Markus Niederberger, Martin Oschatz
Formato:	article
Lenguaje:	EN
Publicado:	Wiley-VCH 2021
Materias:	anodes electrospinning mesoporous carbon fibers metal nanoparticles sodium‐ion batteries Industrial electrochemistry TP250-261 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/b91162852e1a4c7aaf018b87f874a235
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spelling	oai:doaj.org-article:b91162852e1a4c7aaf018b87f874a2352021-11-23T18:05:26ZTowards stable and high‐capacity anode materials for sodium‐ion batteries by embedding of Sb/Sn nanoparticles into electrospun mesoporous carbon fibers2698-597710.1002/elsa.202100010https://doaj.org/article/b91162852e1a4c7aaf018b87f874a2352021-11-01T00:00:00Zhttps://doi.org/10.1002/elsa.202100010https://doaj.org/toc/2698-5977Abstract Antimony and tin are promising anode materials for sodium‐ion batteries due to their high theoretical sodium storage capacities. However, significant volume change during cycling limits their long‐term stability and rate performance. Composite engineering can minimize this problem. A versatile method for the synthesis of Sb nanoparticles inside the mesopores of carbon fibers prepared through electrospinning and subsequent carbothermal reduction is presented in this work. The mesopore architecture can host up to 61 wt% of Sb nanoparticles and buffer the volume changes during cycling. Smaller pores in the carbon provide the pathways for reversible insertion/extraction of sodium. This binder‐free material provides high rate capability and a long‐term cycling performance when used as an anode in half‐cells. When cycled at 0.5 A g−1, the composite shows an initial capacity of 520 mA h g−1 with 507 mA h g−1 remaining after 500 cycles. Even at a high current density of 20 A g−1, a capacity of 197 mA h g−1 is still achieved. Sn nanoparticles can be embedded in the mesopores of the carbon fibers by a similar method. These Sn‐based anodes also show remarkable electrochemical performance, indicating that this approach represents a generally applicable strategy for synthesizing advanced battery anodes.Tian LiuRunyu YanElinor JosefHaijian HuangLong PanMarkus NiederbergerMartin OschatzWiley-VCHarticleanodeselectrospinningmesoporous carbon fibersmetal nanoparticlessodium‐ion batteriesIndustrial electrochemistryTP250-261ChemistryQD1-999ENElectrochemical Science Advances, Vol 1, Iss 4, Pp n/a-n/a (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	anodes electrospinning mesoporous carbon fibers metal nanoparticles sodium‐ion batteries Industrial electrochemistry TP250-261 Chemistry QD1-999
spellingShingle	anodes electrospinning mesoporous carbon fibers metal nanoparticles sodium‐ion batteries Industrial electrochemistry TP250-261 Chemistry QD1-999 Tian Liu Runyu Yan Elinor Josef Haijian Huang Long Pan Markus Niederberger Martin Oschatz Towards stable and high‐capacity anode materials for sodium‐ion batteries by embedding of Sb/Sn nanoparticles into electrospun mesoporous carbon fibers
description	Abstract Antimony and tin are promising anode materials for sodium‐ion batteries due to their high theoretical sodium storage capacities. However, significant volume change during cycling limits their long‐term stability and rate performance. Composite engineering can minimize this problem. A versatile method for the synthesis of Sb nanoparticles inside the mesopores of carbon fibers prepared through electrospinning and subsequent carbothermal reduction is presented in this work. The mesopore architecture can host up to 61 wt% of Sb nanoparticles and buffer the volume changes during cycling. Smaller pores in the carbon provide the pathways for reversible insertion/extraction of sodium. This binder‐free material provides high rate capability and a long‐term cycling performance when used as an anode in half‐cells. When cycled at 0.5 A g−1, the composite shows an initial capacity of 520 mA h g−1 with 507 mA h g−1 remaining after 500 cycles. Even at a high current density of 20 A g−1, a capacity of 197 mA h g−1 is still achieved. Sn nanoparticles can be embedded in the mesopores of the carbon fibers by a similar method. These Sn‐based anodes also show remarkable electrochemical performance, indicating that this approach represents a generally applicable strategy for synthesizing advanced battery anodes.
format	article
author	Tian Liu Runyu Yan Elinor Josef Haijian Huang Long Pan Markus Niederberger Martin Oschatz
author_facet	Tian Liu Runyu Yan Elinor Josef Haijian Huang Long Pan Markus Niederberger Martin Oschatz
author_sort	Tian Liu
title	Towards stable and high‐capacity anode materials for sodium‐ion batteries by embedding of Sb/Sn nanoparticles into electrospun mesoporous carbon fibers
title_short	Towards stable and high‐capacity anode materials for sodium‐ion batteries by embedding of Sb/Sn nanoparticles into electrospun mesoporous carbon fibers
title_full	Towards stable and high‐capacity anode materials for sodium‐ion batteries by embedding of Sb/Sn nanoparticles into electrospun mesoporous carbon fibers
title_fullStr	Towards stable and high‐capacity anode materials for sodium‐ion batteries by embedding of Sb/Sn nanoparticles into electrospun mesoporous carbon fibers
title_full_unstemmed	Towards stable and high‐capacity anode materials for sodium‐ion batteries by embedding of Sb/Sn nanoparticles into electrospun mesoporous carbon fibers
title_sort	towards stable and high‐capacity anode materials for sodium‐ion batteries by embedding of sb/sn nanoparticles into electrospun mesoporous carbon fibers
publisher	Wiley-VCH
publishDate	2021
url	https://doaj.org/article/b91162852e1a4c7aaf018b87f874a235
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Towards stable and high‐capacity anode materials for sodium‐ion batteries by embedding of Sb/Sn nanoparticles into electrospun mesoporous carbon fibers

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