Journal
NANO ENERGY
Volume 9, Issue -, Pages 168-175Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nanoen.2014.06.022
Keywords
Li-ion batteries; Anodes; Transition metal oxides; Nickel oxides; Nanocomposites
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Funding
- China Scholarship Council (CSC)
- Thousand Talents Program, the Natural Science Foundation of Jiangsu Province of China [BK20140315]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- International Research Training Group (IRTG) project Rolled-up nanotech for on-chip energy storage, G9
- PAKT project Electrochemical energy storage in autonomous systems [49004401]
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Herein we present the preparation of novel multifunctional metallic nickel/oxide (Ni/NiO) hybrid nanomembranes with rough and undulating surface morphologies, by a physical deposition method combined with chemical etching and thermal oxidation. Benefiting from the advantages of intrinsic architecture and electrochemical catalysis of metallic nickel, the anodes can be discharged and charged at an ultrahigh rate of similar to 115 C (1 C=718 mA g(-1)) if only the mass of NiO is taken into calculation or 60 C if the total mass of Ni/NiO nanomembranes is considered. To our knowledge, this is the best reported rate performance for NiO-based anodes in Li-ion batteries to date. Furthermore, excellent cycling stability is also demonstrated. (C) 2014 Elsevier Ltd. All rights reserved.
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