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Based on Cu as framework constructed nanoporous CuO/Cu composites by a dealloy method for sodium-ion battery anode

Nanoporous CuO/Cu composites with a continuous channel structure were fabricated through a corroding Cu-Al alloy process. The width of the continuous channels was about 20~50 nm. Nanoporous structure could effectively sustain the volume expansion during the Na + insertion/extraction process and shor... Full description

Journal Title: Journal of Nanoparticle Research 2018, Vol.20(5), pp.1-10
Main Author: Zheng, Tian
Other Authors: Li, Guangda , Li, Deming , Meng, Xiangeng
Format: Electronic Article Electronic Article
Language: English
Subjects:
CuO
ID: ISSN: 1388-0764 ; E-ISSN: 1572-896X ; DOI: 10.1007/s11051-018-4245-z
Link: http://dx.doi.org/10.1007/s11051-018-4245-z
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recordid: springer_jour10.1007/s11051-018-4245-z
title: Based on Cu as framework constructed nanoporous CuO/Cu composites by a dealloy method for sodium-ion battery anode
format: Article
creator:
  • Zheng, Tian
  • Li, Guangda
  • Li, Deming
  • Meng, Xiangeng
subjects:
  • CuO
  • Sodium-ion battery
  • Electrochemical property
  • Nanoporous material
  • Energy storage
ispartof: Journal of Nanoparticle Research, 2018, Vol.20(5), pp.1-10
description: Nanoporous CuO/Cu composites with a continuous channel structure were fabricated through a corroding Cu-Al alloy process. The width of the continuous channels was about 20~50 nm. Nanoporous structure could effectively sustain the volume expansion during the Na + insertion/extraction process and shorten the Na + diffusion length as well, which thus helps improve the Na + storage performance. Moreover, the nanoporous structure can improve the contact area between the electrolyte and the electrode, leading to an increment in the number of Na + insertion/extraction sites. When used as the anode for sodium-ion batteries, the CuO/Cu exhibited an initial capacity of ~ 580 mAh g −1 , and the capacity is maintained at ~ 200 mAh g −1 after 200 cycles at a current density of 500 mA g −1 .
language: eng
source:
identifier: ISSN: 1388-0764 ; E-ISSN: 1572-896X ; DOI: 10.1007/s11051-018-4245-z
fulltext: fulltext
issn:
  • 1572-896X
  • 1572896X
  • 1388-0764
  • 13880764
url: Link


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titleBased on Cu as framework constructed nanoporous CuO/Cu composites by a dealloy method for sodium-ion battery anode
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subjectCuO ; Sodium-ion battery ; Electrochemical property ; Nanoporous material ; Energy storage
descriptionNanoporous CuO/Cu composites with a continuous channel structure were fabricated through a corroding Cu-Al alloy process. The width of the continuous channels was about 20~50 nm. Nanoporous structure could effectively sustain the volume expansion during the Na + insertion/extraction process and shorten the Na + diffusion length as well, which thus helps improve the Na + storage performance. Moreover, the nanoporous structure can improve the contact area between the electrolyte and the electrode, leading to an increment in the number of Na + insertion/extraction sites. When used as the anode for sodium-ion batteries, the CuO/Cu exhibited an initial capacity of ~ 580 mAh g −1 , and the capacity is maintained at ~ 200 mAh g −1 after 200 cycles at a current density of 500 mA g −1 .
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titleBased on Cu as framework constructed nanoporous CuO/Cu composites by a dealloy method for sodium-ion battery anode
descriptionNanoporous CuO/Cu composites with a continuous channel structure were fabricated through a corroding Cu-Al alloy process. The width of the continuous channels was about 20~50 nm. Nanoporous structure could effectively sustain the volume expansion during the Na + insertion/extraction process and shorten the Na + diffusion length as well, which thus helps improve the Na + storage performance. Moreover, the nanoporous structure can improve the contact area between the electrolyte and the electrode, leading to an increment in the number of Na + insertion/extraction sites. When used as the anode for sodium-ion batteries, the CuO/Cu exhibited an initial capacity of ~ 580 mAh g −1 , and the capacity is maintained at ~ 200 mAh g −1 after 200 cycles at a current density of 500 mA g −1 .
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abstractNanoporous CuO/Cu composites with a continuous channel structure were fabricated through a corroding Cu-Al alloy process. The width of the continuous channels was about 20~50 nm. Nanoporous structure could effectively sustain the volume expansion during the Na + insertion/extraction process and shorten the Na + diffusion length as well, which thus helps improve the Na + storage performance. Moreover, the nanoporous structure can improve the contact area between the electrolyte and the electrode, leading to an increment in the number of Na + insertion/extraction sites. When used as the anode for sodium-ion batteries, the CuO/Cu exhibited an initial capacity of ~ 580 mAh g −1 , and the capacity is maintained at ~ 200 mAh g −1 after 200 cycles at a current density of 500 mA g −1 .
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