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Facile Synthesis and Lithium Storage Properties of Zn1−x Co x CO3 Microspheres

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Zn1−x Co x CO3 (ZCCO) microspheres were synthesized by a modified solvothermal method (ball milling-solvothermal combination method) using ZnCl2, CoCl2, and NH4HCO3 as raw materials. All samples were characterized by X-ray diffractometer (XRD), Fourier transform infrared spectra (FT-IR), and Scanning electron microscopy (SEM) technique. The results showed the introduction of Co and molar ratio of Zn and Co play crucial roles in the morphology and electrochemical performance of the ZCCO. As anode materials for lithium ion battery (LIB), all ZCCO electrodes possess high specific capacities and good cycle performance. The as-obtained Zn0.5Co0.5CO3 electrode exhibits higher discharge capacity (1526 mAh/g) and better rate properties with the reversible capacity of 976 mAh/g after 100 cycles when the molar ratio of Zn/Co is 1:1. Moreover, the present work provides a new and simple approach to the fabrication of novel anode materials (transition metal carbonates) for LIB applications.
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Keywords: Anode Material; Electrochemical Performance; Lithium Ion Battery; Solvothermal Synthesis; Transition Metal Carbonates; Zn1−xCoxCO3

Document Type: Research Article

Affiliations: 1: Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Applications of Organic Functional Molecules, Hubei University, Wuhan 430062, China 2: Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), School of Environmental Sciences and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China 3: School of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310032, China

Publication date: April 1, 2018

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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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