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An unexplored promising lithiation-host anode material, Bi4Ge3O12, delivers a reversible specific discharge capacity of ∼586 mA h g-1 at 200 mA g-1 after 500 cycles with a coulombic efficiency of… Click to show full abstract
An unexplored promising lithiation-host anode material, Bi4Ge3O12, delivers a reversible specific discharge capacity of ∼586 mA h g-1 at 200 mA g-1 after 500 cycles with a coulombic efficiency of ∼99.8%. DFT calculations detected distorted [BiO6]9- octahedra, and the band structure of BGO revealed an indirect gap of 3.50 eV. A plausible reaction mechanism of storing lithium is proposed.
Keywords:
bi4ge3o12;
capacity;
bi4ge3o12 promising;
bismuth germanate;
lithium;
germanate bi4ge3o12
Journal Title: Chemical communications
Year Published: 2018
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Journal Title: Chemical communications
Year Published: 2018
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!