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Abstract We report a simple carbonization strategy to obtain a composite structured SnO/SnO2 particles encapsulated into carbon matrix from a tin-based coordination polymer precursor at 500 °C carbonization. SnO/SnO2@C electrode delivers… Click to show full abstract
Abstract We report a simple carbonization strategy to obtain a composite structured SnO/SnO2 particles encapsulated into carbon matrix from a tin-based coordination polymer precursor at 500 °C carbonization. SnO/SnO2@C electrode delivers a capacity of 601.7 mAh g−1 at 100 mA g−1 after 50 cycles and a high capacity retention of 84.6% after 400 cycles, which is far superior to the precursor Sn-1 electrode. The excellent electrochemical performance of SnO/SnO2@C could be mainly attributed to the abundant carbon and well-dispersed SnO/SnO2 particles which can improve the electronic conductivity and provide a path for the migration of electrons and ions.
Journal Title: Materials Letters
Year Published: 2019
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