期刊
APPLIED SURFACE SCIENCE
卷 368, 期 -, 页码 298-302出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2016.01.270
关键词
NiO nanocones; Lithium-ion batteries; Hydrothermal synthesis; Annealing; SEI layer
类别
资金
- National Natural Science Foundation of China [11179038]
- Specialized Research Fund for the Doctoral Program of Higher Education [20120211130005]
NiO nanocone arrays are fabricated on nickel foam substrate by a simple hydrothermal synthesis anda subsequent annealing in air. The obtained architecture is directly used as an anode for lithium-ion batteries without any binder. It delivers a capacity of 969 mAh g(-1) in the 120th cycle at a current density of 0.5 degrees C. Even at 10 degrees C, the electrode can still deliver a capacity as high as 605.9 mAh g(-1). The excellent electrochemical performance could be ascribed to the integrity and porosity of the cycled electrodes. (C) 2016 Elsevier B.V. All rights reserved.
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