Journal
MATERIALS LETTERS
Volume 157, Issue -, Pages 7-10Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.05.097
Keywords
Porous materials; Anode; Nanoparticles; Lithium-ion batteries
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 NiO@MnO2 nanosheets are synthesized on nickel foam by hydrothermal method. As an anode of lithium-ion batteries (LIBs), such a architecture could shorten the diffusion distance of lithium ions and largen the contact area between the active material and electrolyte. It displays a high capacity of 1000 mAh g(-1) after 160 cycles at a rate of 1.0 C. More importantly, the electrode exhibits an excellent rate performance, it delivers a capacity about 787 mAh g(-1) at 5.0 C. The superior lithium storage properties suggest that the interconnected porous NiO@MnO2 nanosheets can function as a promising anode material for high-performance LIBs. (C) 2015 Elsevier B.V. All rights reserved.
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