Self-assembly of cubic Co3O4 crystals and charge and discharge performances for lithium-ion battery
Self-assembly of cubic Co3O4 crystals and charge and discharge performances for lithium-ion battery
- Author(s): Duliang He ; Jun Wang ; Fei Teng ; Mindong Chen ; Yong Wang ; Deinns D. Meng ; Guiqing Li
- DOI: 10.1049/mnl.2012.0354
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- Author(s): Duliang He 1 ; Jun Wang 1 ; Fei Teng 1 ; Mindong Chen 1 ; Yong Wang 1 ; Deinns D. Meng 2 ; Guiqing Li 1
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View affiliations
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Affiliations:
1: Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, People's Republic of China
2: Department of Mechanical Engineering-Engineering Mechanics, Michigan Technological University, Houghton, USA
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Affiliations:
1: Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, People's Republic of China
- Source:
Volume 7, Issue 8,
August 2012,
p.
773 – 777
DOI: 10.1049/mnl.2012.0354 , Online ISSN 1750-0443
In this Letter, cubic Co3O4 samples are synthesised by a simple hydrothermal reaction. The samples are characterised by scanning electron microscopy, transmission electron microscopy, electron diffraction, X-ray powder diffractometer and nitrogen adsorption. The results show that the formed Co3O4 samples are not solid cubes, but cube-like assemblies of nanoparticles. The charge and discharge performances of the cubic Co3O4 crystals are investigated. It shows that the Co3O4 cubes have a high-rate capacity and an excellent cyclability, which is attributed to the high-surface area and porous structure.
Inspec keywords: electron diffraction; scanning electron microscopy; secondary cells; porous materials; X-ray diffraction; transmission electron microscopy; nanofabrication; nanoparticles; cobalt compounds; self-assembly; crystal growth from solution
Other keywords:
Subjects: Secondary cells; Crystal growth from solution; Structure of powders and porous materials; Secondary cells; Structure of solid clusters, nanoparticles, nanotubes and nanostructured materials; Self-assembly in nanofabrication
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