Journal
CRYSTENGCOMM
Volume 15, Issue 47, Pages 10340-10345Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ce41647j
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Funding
- Natural Science Foundation of Jiangsu Province [BK20130900]
- NSFC [21376122]
- Natural Science Foundation of Jiangsu Higher Education Institutions of China [13KJB150026]
- Industry-Academia Cooperation Innovation Fund Project of Jiangsu Province [BY2012001]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
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We propose a facile, scalable, yet versatile methodology for the formation of three-dimensional mesoporous (3DMP) tin-based alloy anodes for lithium-ion batteries (LIBs), using cyanogel coordination polymers as precursors for the first time. The synthesis of a 3DMP Sn-Ni alloy network with a high surface area and uniform mesopores has been demonstrated as an example using SnCl4/K2Ni(CN)(4) cyanogel as the precursor. After surface carbon coating, the 3DMP Sn-Ni@C network exhibited enhanced lithium storage capabilities by virtue of its unique structural characteristics, such as its excellent structural stability, high charge transport capability, and improved reaction kinetics of lithium insertion/extraction. The proposed synthetic strategy could open up new opportunities for constructing advanced tin-based alloy anodes for LIBs.
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