Journal
RSC ADVANCES
Volume 3, Issue 25, Pages 10001-10006Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra41132j
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Funding
- National Natural Science Fund of China [91022033, 21201158]
- 973 Project of China [2011CB935901]
- Anhui Provincial Natural Science Foundation [1208085QE101]
- Fundamental Research Funds for the Central Universities [WK 2340000027]
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MnO@1-D carbon composites were synthesized simultaneously through a single heating procedure using C4H4MnO6 as the precursor for both the MnO and 1-D carbon. MnO nanoparticles are uniformly dispersed inside or adhered to the surface of the 1-D carbon nanotubes, and these carbon nanotubes overlap each other to form carbon scaffolds. As an anode for lithium-ion batteries, the MnO@1-D carbon composites deliver a reversible capacity of 1482 mA h g(-1) at a current density of 200 mA g(-1). When the current density rises to 1460 mA g(-1), the capacity remains at 810 mA h g(-1) even after 1000 cycles. Such a unique carbon structure can act as a scaffold for MnO, which not only improves the electronic conductivity, but also provides a support for loading MnO nanoparticles. This synchronous process may pave a way to obtain such uniform and stable electrode materials with enhanced performance, which may find use in other applications such as catalysis, water treatment and supercapacitors.
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