Journal
RSC ADVANCES
Volume 5, Issue 45, Pages 36117-36121Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra04447b
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Funding
- National Natural Science Foundation of China [11179038]
- Specialized Research Fund for the Doctoral Program of Higher Education [20120211130005]
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Interconnected porous Co3O4 nanoflakes were prepared on nickel foam by a simple electrochemical deposition combined with a subsequent heat treatment. The featured nanoflakes consisted of interconnected primary nanoparticles and nanopores resulting in a large specific surface area. As an anode material of lithium ion batteries, the as-prepared samples exhibited superior cyclic performance and excellent rate capacity. The discharge capacity remained at 1211 mA h g(-1) after 100 cycles at a current density of 1 A g(-1). Notably, after cycling at various current densities up to 5 A g(-1), the capacity recovered to 1266 mA h g(-1) at 0.1 A g(-1).
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