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Title: Integrated charge transfer in colloidal Cu-MnO heterostructures for high-performance lithium-ion batteries
Authors: Tan, Hui Teng
Rui, Xianhong
Lu, Ziyang
Xu, Chen
Liu, Weiling
Hng, Huey Hoon
Yan, Qingyu
Keywords: DRNTU::Engineering::Materials::Energy materials
Issue Date: 2014
Source: Tan, H. T., Rui, X., Lu, Z., Xu, C., Liu, W., Hng, H. H., et al. (2014). Integrated charge transfer in colloidal Cu-MnO heterostructures for high-performance lithium-ion batteries. The journal of physical chemistry C, 118(31), 17452-17460.
Series/Report no.: The journal of physical chemistry C
Abstract: Nanodimensional monodispersed Cu–MnO heterostructures were synthesized via a facile solution-based method. Cu–MnO heterostructures with narrow size distribution were successfully achieved in the presence of organic surfactants to prevent agglomeration during the growth process. Furthermore, the unique architecture of carbon-coated Cu–MnO (Cu–MnO@C) core–shell heterostructures obtained after a thermal annealing process preserved the electrical integrity of the electrode via the conductive copper “nanobridge” to provide an efficient electron transfer pathway between the active materials and the current collector. On the other hand, the amorphous carbonaceous shell evidently gives a protective layer to attain structural integrity throughout the electrochemical measurements. Enhancement in the electrochemical performance can be reflected by the excellent cycling stability and high rate capability of the Cu–MnO@C heterostructures as compared to the MnO@C nanoparticles.
ISSN: 1932-7447
DOI: 10.1021/jp505026f
Rights: © 2014 American Chemical Society.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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