期刊
INORGANIC CHEMISTRY FRONTIERS
卷 7, 期 6, 页码 1420-1427出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9qi01636h
关键词
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资金
- National Nature Science Foundation of China [21625101, 21521005]
- National Key Research and Development Program of China [2017YFB0307303]
- Fundamental Research Funds for the Central Universities [XK1802-6, XK1803-05, XK1902, 12060093063]
Polyoxometalate (POM)-based molecular cluster batteries have attracted wide interest due to their rich redox properties. To date, no studies on POM-based ionic crystals for LIBs have been reported, although the redox-active metals can be incorporated and finely tuned in the ionic crystals. Herein, a POM-based ionic crystal (denoted as Composite 1) was prepared for the first time by the complexation of the trinuclear acetate-bridged cobalt-containing macrocation ([Co3O(CH3CO2)(6)(C5H5N)(3)](+)) with the anion [PMo12O40](3-). Further interaction of Composite 1 and single-walled carbon nanotubes (SWNTs) resulted in the formation of a novel Composite 1/SWNT nanocomposite through a facile one-pot strategy, in which the Composite 1 clusters were uniformly grown onto the surface of SWNTs. The as-prepared Composite 1/SWNT nanocomposite showed outstanding electrochemical performance as an anode material of LIBs by delivering a storage capacity of 1012 mA h g(-1) at 100 mA g(-1) for 100 cycles. The results may open a new pathway for exploring novel anode materials of LIBs.
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