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A novel dendritic crystal Co 3 O 4 as high-performance anode materials for lithium-ion batteries

The spinel-type Co 3 O 4 with a dendritic nanostructure is prepared via homogeneous co-precipitation method in the presence of oxalic as complex agent. The special structure was characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, and the... Full description

Journal Title: Journal of Applied Electrochemistry 2014, Vol.44(7), pp.781-788
Main Author: Mo, Yudi
Other Authors: Ru, Qiang , Song, Xiong , Hu, Shejun , An, Bonan
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0021-891X ; E-ISSN: 1572-8838 ; DOI: 10.1007/s10800-014-0690-2
Link: http://dx.doi.org/10.1007/s10800-014-0690-2
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recordid: springer_jour10.1007/s10800-014-0690-2
title: A novel dendritic crystal Co 3 O 4 as high-performance anode materials for lithium-ion batteries
format: Article
creator:
  • Mo, Yudi
  • Ru, Qiang
  • Song, Xiong
  • Hu, Shejun
  • An, Bonan
subjects:
  • Dendritic nanostructure
  • Lithium-ion batteries
  • Co-precipitation
  • Anode
ispartof: Journal of Applied Electrochemistry, 2014, Vol.44(7), pp.781-788
description: The spinel-type Co 3 O 4 with a dendritic nanostructure is prepared via homogeneous co-precipitation method in the presence of oxalic as complex agent. The special structure was characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, and thermogravimetric analysis, which show that the precursor can be transformed into dendritic crystal Co 3 O 4 by calcining at 500 °C for 2 h with a diameter of 20–50 nm. Such a three-dimensional interconnected structure used as an anode material for lithium-ion batteries shows that the discharge specific capacity still remains at 951.7 mA h g −1 after 100 cycles at a current density of 100 mA g −1 . Furthermore, this material also presents a good rate performance; when the current density increases to 1,000, 4,000, and 8,000 mA g −1 , the reversible capacity can render about 1,126.2, 932.3, and 344.2 mA h g −1 , respectively. The excellent electrochemical performance is mainly attributed to the dendritic nanostructure composed of interconnected Co 3 O 4 nanoparticles.
language: eng
source:
identifier: ISSN: 0021-891X ; E-ISSN: 1572-8838 ; DOI: 10.1007/s10800-014-0690-2
fulltext: fulltext
issn:
  • 1572-8838
  • 15728838
  • 0021-891X
  • 0021891X
url: Link


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titleA novel dendritic crystal Co 3 O 4 as high-performance anode materials for lithium-ion batteries
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subjectDendritic nanostructure ; Lithium-ion batteries ; Co-precipitation ; Anode
descriptionThe spinel-type Co 3 O 4 with a dendritic nanostructure is prepared via homogeneous co-precipitation method in the presence of oxalic as complex agent. The special structure was characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, and thermogravimetric analysis, which show that the precursor can be transformed into dendritic crystal Co 3 O 4 by calcining at 500 °C for 2 h with a diameter of 20–50 nm. Such a three-dimensional interconnected structure used as an anode material for lithium-ion batteries shows that the discharge specific capacity still remains at 951.7 mA h g −1 after 100 cycles at a current density of 100 mA g −1 . Furthermore, this material also presents a good rate performance; when the current density increases to 1,000, 4,000, and 8,000 mA g −1 , the reversible capacity can render about 1,126.2, 932.3, and 344.2 mA h g −1 , respectively. The excellent electrochemical performance is mainly attributed to the dendritic nanostructure composed of interconnected Co 3 O 4 nanoparticles.
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descriptionThe spinel-type Co 3 O 4 with a dendritic nanostructure is prepared via homogeneous co-precipitation method in the presence of oxalic as complex agent. The special structure was characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, and thermogravimetric analysis, which show that the precursor can be transformed into dendritic crystal Co 3 O 4 by calcining at 500 °C for 2 h with a diameter of 20–50 nm. Such a three-dimensional interconnected structure used as an anode material for lithium-ion batteries shows that the discharge specific capacity still remains at 951.7 mA h g −1 after 100 cycles at a current density of 100 mA g −1 . Furthermore, this material also presents a good rate performance; when the current density increases to 1,000, 4,000, and 8,000 mA g −1 , the reversible capacity can render about 1,126.2, 932.3, and 344.2 mA h g −1 , respectively. The excellent electrochemical performance is mainly attributed to the dendritic nanostructure composed of interconnected Co 3 O 4 nanoparticles.
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abstractThe spinel-type Co 3 O 4 with a dendritic nanostructure is prepared via homogeneous co-precipitation method in the presence of oxalic as complex agent. The special structure was characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, and thermogravimetric analysis, which show that the precursor can be transformed into dendritic crystal Co 3 O 4 by calcining at 500 °C for 2 h with a diameter of 20–50 nm. Such a three-dimensional interconnected structure used as an anode material for lithium-ion batteries shows that the discharge specific capacity still remains at 951.7 mA h g −1 after 100 cycles at a current density of 100 mA g −1 . Furthermore, this material also presents a good rate performance; when the current density increases to 1,000, 4,000, and 8,000 mA g −1 , the reversible capacity can render about 1,126.2, 932.3, and 344.2 mA h g −1 , respectively. The excellent electrochemical performance is mainly attributed to the dendritic nanostructure composed of interconnected Co 3 O 4 nanoparticles.
copDordrecht
pubSpringer Netherlands
doi10.1007/s10800-014-0690-2
pages781-788
date2014-07