One-Pot Synthesis of Co-Based Coordination Polymer Nanowire for Li-Ion Batteries with Great Capacity and Stable Cycling Stability

• Published in: Nano-micro letters 2018, Vol.10 (2), p.19-9, Article 19
• Main Authors: Wang, Peng, Lou, Xiaobing, Li, Chao, Hu, Xiaoshi, Yang, Qi, Hu, Bingwen
• Format: Article
• Language: English
• Subjects: Anode; Anodes; Chemical synthesis; Cobalt; Coordination polymer; Coordination polymers; Cycles; Electrochemical analysis; Electron microscopy; Engineering; Fourier transforms; Lithium; Lithium-ion batteries; Lithium-ion battery; Metal-organic frameworks; Morphology; Nanoscale Science and Technology; Nanotechnology; Nanotechnology and Microengineering; Nanowire; Nanowires; NMR; Nuclear magnetic resonance; Polymers; Rechargeable batteries; Stability; Synergistic effect; Ultra-high capacity
• ISSN: 2311-6706; 2150-5551
• DOI: 10.1007/s40820-017-0177-x

Nanowire coordination polymer cobalt–terephthalonitrile (Co-BDCN) was successfully synthesized using a simple solvothermal method and applied as anode material for lithium-ion batteries (LIBs). A reversible capacity of 1132 mAh g −1 was retained after 100 cycles at a rate of 100 mA g −1 , which should be one of the best LIBs performances among metal organic frameworks and coordination polymers-based anode materials at such a rate. On the basis of the comprehensive structural and morphology characterizations including fourier transform infrared spectroscopy, 1 H NMR, 13 C NMR, and scanning electron microscopy, we demonstrated that the great electrochemical performance of the as-synthesized Co-BDCN coordination polymer can be attributed to the synergistic effect of metal centers and organic ligands, as well as the stability of the nanowire morphology during cycling.