Nanoporous TiO2/MoO2/Fe3O4 composite as anode for high-performance lithium-ion batteries

Abstract TiO2/MoO2/Fe3O4 composite was simply synthesized through one step dealloying of Ti7Mo3Fe2Al88 alloy as a promising candidate anode material for lithium ion batteries (LIBs). The as-prepared composite composed of TiO2, MoO2 and Fe3O4 species exhibits three-dimensional interconnected network structure, which provides rich porosity to facilitate the diffusion of Li+. Based on the hierarchical nanoporous structure and the synergistic effects among TiO2, MoO2 and Fe3O4, the nanoporous composite exhibits high specific capacity and excellent cycling stability (471 mAh g−1 and 326.9 mAh g−1 at 300 mA g−1 and 1000 mA g−1 up to 200 cycles, respectively), which shows the promise of TiO2/MoO2/Fe3O4 composite as an anode material in next-generation lithium ion batteries.

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