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  Controllable Synthesis of Mesoporous Peapod-like Co3O4@Carbon Nanotube Arrays for High-Performance Lithium-Ion Batteries

Gu, D., Li, W., Wang, F., Bongard, H., Spliethoff, B., Schmidt, W., et al. (2015). Controllable Synthesis of Mesoporous Peapod-like Co3O4@Carbon Nanotube Arrays for High-Performance Lithium-Ion Batteries. Angewandte Chemie International Edition, 54(24), 7060-7064. doi:10.1002/anie.201501475.

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 Creators:
Gu, Dong1, Author              
Li, Wei2, Author
Wang, Fei2, Author
Bongard, Hans3, Author              
Spliethoff, Bernd3, Author              
Schmidt, Wolfgang4, Author              
Weidenthaler, Claudia5, Author              
Xia, Yongyao2, Author
Zhao, Dongyuan2, Author
Schüth, Ferdi1, Author              
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433 (P. R. China), ou_persistent22              
3Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445625              
4Research Group Schmidt, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445618              
5Research Group Weidenthaler, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1950291              

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Free keywords: Co3O4/carbon nanocomposite; lithium ion batteries; mesoporous materials; template syntheses
 Abstract: Transition metal oxides are regarded as promising anode materials for lithium-ion batteries because of their high theoretical capacities compared with commercial graphite. Unfortunately, the implementation of such novel anodes is hampered by their large volume changes during the Li+ insertion and extraction process and their low electric conductivities. Herein, we report a specifically designed anode architecture to overcome such problems, that is, mesoporous peapod-like Co3O4@carbon nanotube arrays, which are constructed through a controllable nanocasting process. Co3O4 nanoparticles are confined exclusively in the intratubular pores of the nanotube arrays. The pores between the nanotubes are open, and thus render the Co3O4 nanoparticles accessible for effective electrolyte diffusion. Moreover, the carbon nanotubes act as a conductive network. As a result, the peapod-like Co3O4@carbon nanotube electrode shows a high specific capacity, excellent rate capacity, and very good cycling performance.

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Language(s): eng - English
 Dates: 2015-02-172015-04-272015-06-08
 Publication Status: Published in print
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/anie.201501475
 Degree: -

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Title: Angewandte Chemie International Edition
  Abbreviation : Angew. Chem., Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 54 (24) Sequence Number: - Start / End Page: 7060 - 7064 Identifier: ISSN: 1433-7851
CoNE: https://pure.mpg.de/cone/journals/resource/1433-7851