Journal
MATERIALS LETTERS
Volume 304, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2021.130681
Keywords
Anode material; TiNb2O7; Diffusion; Li-ion battery
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Monoclinic TiNb2O7 nanoparticles synthesized by co-precipitation method show good capacity retention at a high current charge/discharge rate and high cycling stability, with an initial specific capacity of 186 mAh/g.
We report on electrochemical properties of monoclinic TiNb2O7 nanoparticles synthesized by simple co-precipitation method. Cyclic voltammetry shows oxidation peak at 1.72 V and reduction peak at 1.51 V. TiNb2O7 nanoparticles deliver initial specific capacity of 186 mAh/g and 154 mAh/g after 500 cycles at a high current charge/discharge rate of 0.5C, retaining 84% of the initial capacity. The long cycle charge/discharge capacity of TiNb2O7 nanoparticles with 95% columbic efficiency shows that the prepared TiNb2O7 nanoparticles can be employed as a promising anode material for lithium ion batteries.
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