期刊
ADVANCED MATERIALS
卷 30, 期 1, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201702875
关键词
Co3O4; Co3V2O8; lithium-ion batteries; multishelled; nanoboxes
类别
资金
- National Research Foundation (NRF) of Singapore via the NRF [NRF-NRFI2016-04]
A novel metal-organic-framework-engaged strategy is demonstrated for the preparation of multishelled Co3O4@Co3V2O8 hybrid nanoboxes. This strategy relies on the unique reaction of zeolitic imidazolate framework-67 with the vanadium source of vanadium oxytriisopropoxide. Benefitting from the synthetic versatility, a series of nanostructures can be realized including triple-shelled and double-shelled Co3O4@Co3V2O8 nanoboxes and single-shelled Co3V2O8 nanoboxes. When evaluated as electrode materials for lithium-ion batteries, these unique hollow structures demonstrate remarkable lithium storage properties. For example, the triple-shelled Co3O4@Co3V2O8 nanoboxes retain a high capacity of 948 mAh g(-1) after 100 cycles at 100 mA g(-1).
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