期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 21, 期 4, 页码 1526-1532出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201405698
关键词
electrochemistry; electrodes; flake-like MnCo2O4; lithium-ion batteries; mesoporous materials; supercapacitors
资金
- Australian Research Council (ARC) through the ARC FT project [CFT110100800]
- fundamental research funds for the Centre Universities of China [CNE2014301]
A mesoporous flake-like manganese-cobalt composite oxide (MnCo2O4) is synthesized successfully through the hydrothermal method. The crystalline phase and morphology of the materials are characterized by X-ray diffraction, field-emission scanning electron microscopy, transmission electron microscopy, and Brunauer-Emmett-Teller methods. The flake-like MnCo2O4 is evaluated as the anode material for lithium-ion batteries. Owing to its mesoporous nature, it exhibits a high reversible capacity of 1066 mAh g(-1), good rate capability, and superior cycling stability. As an electrode material for supercapacitors, the flake-like MnCo2O4 also demonstrates a high supercapacitance of 1487 Fg(-1) at a current density of 1 A g(-1), and an exceptional cycling performance over 2000 charge/discharge cycles.
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