期刊
CRYSTENGCOMM
卷 16, 期 5, 页码 814-819出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ce41915k
关键词
-
资金
- National Science Foundation of China [21221061]
Novel 3D hierarchical flower-like Co1-xS architectures were successfully synthesized via a hydrothermal process using trisodium citrate (Na(3)Cit) as a chelating agent. The crystal structure and morphology of the as-prepared products were characterized and the results demonstrated that the Na(3)Cit could efficiently control the formation of flower-like Co1-xS hierarchitectures. A possible growth mechanism for this hierarchical flower-like Co1-xS nanostructure was proposed on the basis of a series of time-dependent experiments, and this work provides an efficient route for designing desirable micro-/nanostructures. The flower-like Co1-xS nanostructures were fabricated as anode materials of lithium ion batteries and tested in the range of 0.01 V-3.00 V. The initial discharge capacity was up to 1244 mAh g(-1) at the current density of 50 mA g(-1). The electrochemical measurement suggested that the flower-like Co1-xS nanostructures have high capacity and excellent cycle stability as a Li-ion battery anode.
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