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Facile Synthesis of Tremella-Like V2O5 Microspheres and Their Application as Cathode Materials in Lithium Ion Batteries

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Tremella-like V2O5 microspheres were successfully synthesized in this study through a facile hydrothermal method. The microstructures and electrochemical properties were investigated by X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM) measurements and galvanostatic charge–discharge tests. V2O5 microspheres with unique tremella-like structure exhibited good reversible capacity, with an initial discharge capacity of 147 mA·h·g−1 at 1 C rate. Moreover, the capacity retention rate was 91.36% and charge–discharge efficiency was still over 98% after 400 cycles. Such outstanding properties can be ascribed to their unique tremella-like structure.
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Keywords: Energy Storage and Conversion; Hydrothermal Method; Tremella-Like Structure; V2O5

Document Type: Research Article

Affiliations: 1: College of Metallurgy and Materials Engineering, Hunan University of Technology, Zhuzhou 412008, China 2: State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China 3: College of Materials Science and Engineering, Changsha University of Science and Technology, Changsha, 410114, PR China

Publication date: January 1, 2019

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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