Self-limiting electrode with double-carbon layers as walls for efficient sodium storage performance

Yinghui Wang; Deyang Zhang; Yangbo Wang; Yingge Zhang; Xianming Liu; Weiwei Zhou; Jang Kyo Kim; Yongsong Luo

doi:10.1039/c9nr02449b

Self-limiting electrode with double-carbon layers as walls for efficient sodium storage performance

Yinghui Wang, Deyang Zhang, Yangbo Wang, Yingge Zhang, Xianming Liu, Weiwei Zhou, Jang Kyo Kim, Yongsong Luo

Mechanical & Nuclear Engineering

Research output: Contribution to journal › Article › peer-review

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Abstract

As a promising energy storage device, sodium ion batteries (SIBs) have attracted more and more attention. Nevertheless, the radius of a sodium ion is much larger than that of a lithium ion, and it is still a significant challenge to solve the problem of volume expansion. In order to solve the problem of volume expansion, a rational nanostructure consisting of CNTs as a carbon matrix, and were sequentially coated with mesoporous SnO₂ and N-doped porous carbon tube (NCT). Mesoporous SnO₂ can alleviate the volume expansion caused by charge and discharge, and the N-doped porous carbon layer can further inhibit the volume expansion of SnO₂. When used as an anode material in sodium ion batteries, the CNT@SnO₂@NCT heterostructure achieves efficient capabilities (350 and 150 mA h g^-1 at current densities of 0.1 and 2 A g^-1, respectively).

Original language	British English
Pages (from-to)	11025-11032
Number of pages	8
Journal	Nanoscale
Volume	11
Issue number	22
DOIs	https://doi.org/10.1039/c9nr02449b
State	Published - 14 Jun 2019

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title = "Self-limiting electrode with double-carbon layers as walls for efficient sodium storage performance",

abstract = "As a promising energy storage device, sodium ion batteries (SIBs) have attracted more and more attention. Nevertheless, the radius of a sodium ion is much larger than that of a lithium ion, and it is still a significant challenge to solve the problem of volume expansion. In order to solve the problem of volume expansion, a rational nanostructure consisting of CNTs as a carbon matrix, and were sequentially coated with mesoporous SnO2 and N-doped porous carbon tube (NCT). Mesoporous SnO2 can alleviate the volume expansion caused by charge and discharge, and the N-doped porous carbon layer can further inhibit the volume expansion of SnO2. When used as an anode material in sodium ion batteries, the CNT@SnO2@NCT heterostructure achieves efficient capabilities (350 and 150 mA h g-1 at current densities of 0.1 and 2 A g-1, respectively).",

author = "Yinghui Wang and Deyang Zhang and Yangbo Wang and Yingge Zhang and Xianming Liu and Weiwei Zhou and Kim, {Jang Kyo} and Yongsong Luo",

note = "Funding Information: This work was financially supported by the National Natural Science Foundation of China (No. 61574122 and 61874093), the Zhongyuan Thousand Talents Plan – Science & Technology Innovation Leading Talents Project (No. 194200510009) and the Xinyang Normal University Analysis & Testing Center. Publisher Copyright: {\textcopyright} 2019 The Royal Society of Chemistry.",

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doi = "10.1039/c9nr02449b",

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T1 - Self-limiting electrode with double-carbon layers as walls for efficient sodium storage performance

AU - Wang, Yinghui

AU - Zhang, Deyang

AU - Wang, Yangbo

AU - Zhang, Yingge

AU - Liu, Xianming

AU - Zhou, Weiwei

AU - Kim, Jang Kyo

AU - Luo, Yongsong

N1 - Funding Information: This work was financially supported by the National Natural Science Foundation of China (No. 61574122 and 61874093), the Zhongyuan Thousand Talents Plan – Science & Technology Innovation Leading Talents Project (No. 194200510009) and the Xinyang Normal University Analysis & Testing Center. Publisher Copyright: © 2019 The Royal Society of Chemistry.

PY - 2019/6/14

Y1 - 2019/6/14

N2 - As a promising energy storage device, sodium ion batteries (SIBs) have attracted more and more attention. Nevertheless, the radius of a sodium ion is much larger than that of a lithium ion, and it is still a significant challenge to solve the problem of volume expansion. In order to solve the problem of volume expansion, a rational nanostructure consisting of CNTs as a carbon matrix, and were sequentially coated with mesoporous SnO2 and N-doped porous carbon tube (NCT). Mesoporous SnO2 can alleviate the volume expansion caused by charge and discharge, and the N-doped porous carbon layer can further inhibit the volume expansion of SnO2. When used as an anode material in sodium ion batteries, the CNT@SnO2@NCT heterostructure achieves efficient capabilities (350 and 150 mA h g-1 at current densities of 0.1 and 2 A g-1, respectively).

AB - As a promising energy storage device, sodium ion batteries (SIBs) have attracted more and more attention. Nevertheless, the radius of a sodium ion is much larger than that of a lithium ion, and it is still a significant challenge to solve the problem of volume expansion. In order to solve the problem of volume expansion, a rational nanostructure consisting of CNTs as a carbon matrix, and were sequentially coated with mesoporous SnO2 and N-doped porous carbon tube (NCT). Mesoporous SnO2 can alleviate the volume expansion caused by charge and discharge, and the N-doped porous carbon layer can further inhibit the volume expansion of SnO2. When used as an anode material in sodium ion batteries, the CNT@SnO2@NCT heterostructure achieves efficient capabilities (350 and 150 mA h g-1 at current densities of 0.1 and 2 A g-1, respectively).

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SN - 2040-3364

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SP - 11025

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JO - Nanoscale

JF - Nanoscale

IS - 22

ER -

Self-limiting electrode with double-carbon layers as walls for efficient sodium storage performance

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