2 research outputs found
H<sub>2</sub>V<sub>3</sub>O<sub>8</sub> Nanowires as High-Capacity Cathode Materials for Magnesium-Based Battery
Magnesium-based
batteries have received much attention as promising candidates to
next-generation batteries because of high volumetric capacity, low
price, and dendrite-free property of Mg metal. Herein, we reported
H<sub>2</sub>V<sub>3</sub>O<sub>8</sub> nanowire cathode with excellent
electrochemical property in magnesium-based batteries. First, it shows
a satisfactory magnesium storage ability with 304.2 mA h g<sup>–1</sup> capacity at 50 mA g<sup>–1</sup>. Second, it possesses a
high-voltage platform of ∼2.0 V vs Mg/Mg<sup>2+</sup>. Furthermore,
when evaluated as a cathode material for magnesium-based hybrid Mg<sup>2+</sup>/Li<sup>+</sup> battery, it exhibits a high specific capacity
of 305.4 mA h g<sup>–1</sup> at 25 mA g<sup>–1</sup> and can be performed in a wide working temperature range (−20
to 55 °C). Notably, the insertion-type ion storage mechanism
of H<sub>2</sub>V<sub>3</sub>O<sub>8</sub> nanowires in hybrid Mg<sup>2+</sup>/Li<sup>+</sup> batteries are investigated by ex situ X-ray
diffraction and Fourier transform infrared. This research demonstrates
that the H<sub>2</sub>V<sub>3</sub>O<sub>8</sub> nanowire cathode
is a potential candidate for high-performance magnesium-based batteries