Nickel-Doped Lithium Trivanadate Nanosheets Synthesized by Hydrothermal Synthesis as High Performance Cathode Materials for Lithium Ion Batteries
Nickel-doped lithium trivanadate (Ni-LiV3O8) with nanosheet structure was synthesized by hydrothermal method. When used as a cathode material, the hydrothermal Ni-LiV3O8 exhibited significantly better cycling performance with a capacity of 161.1 mA h g–1 after 100 cycles at a 1 C rate (1 C = 300 mA g–1), and much better rate performance compared with sol–gel-derived Ni-LiV3O8. The Ni-LiV3O8 synthesized by the hydrothermal method contained a large amount of mesopores and consisted of appreciable oxygen vacancies and tetravalent vanadium ions, which make it a competitive candidate for lithium ion batteries with high capacity at moderate discharge voltage.
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Document Type: Research Article
Publication date: April 1, 2016
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