Abstract
Ag/TiNb2O7 composites are synthesized by a facile and effective solid state method and following solvothermal process. It is found that Ag nanoparticles are deposited on the surfaces of TiNb2O7 microcrystals. When Ag/TiNb2O7 is used as the anode for lithium-ion battery, its 2nd discharge capacity is 275.3mA·h·g−1 at 1C, larger than that of pure TiNb2O7 (234.2mA·h·g−1); moreover, Ag/TiNb2O7 exhibits better rate capacity performance than TiNb2O7. The electronic conductivity of the Ag/TiNb2O7 electrode is increased for the incorporation of Ag nanoparticles, which can effectively improve the electron transport in the Li+ insertion/extraction process and accordingly enhance the electrochemical performance.
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