2013
DOI: 10.1021/am401854v
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Low-Cost Synthesis of Hierarchical V2O5 Microspheres as High-Performance Cathode for Lithium-Ion Batteries

Abstract: Hierarchical V2O5 microspheres composed of stacked platelets are fabricated through a facile, low-cost, and energy-saving approach. The preparation procedure involves a room-temperature precipitation of precursor microspheres in aqueous solution and subsequent calcination. Because of this unique structure, V2O5 microspheres manifest a high capacity (266 mA h g(-1)), excellent rate capability (223 mA h g(-1) at a current density 2400 mA g(-1)), and good cycling stability (200 mA h g(-1) after 100 cycles) as cat… Show more

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Cited by 93 publications
(46 citation statements)
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“…Single Li insertion occurs at the predicted voltages of similar order in all VO phases (3.13-3.65 V), in good agreement with the experimental measurements [125,139,140]. Single-atom insertion of Na and K is much less favorable in VO 2 [142].…”
Section: LI Na K Mg and Al Insertion Propertiessupporting
confidence: 84%
See 1 more Smart Citation
“…Single Li insertion occurs at the predicted voltages of similar order in all VO phases (3.13-3.65 V), in good agreement with the experimental measurements [125,139,140]. Single-atom insertion of Na and K is much less favorable in VO 2 [142].…”
Section: LI Na K Mg and Al Insertion Propertiessupporting
confidence: 84%
“…The calculated insertion energies in [31,36] and demonstrate several important differences between V2O5 and VO2 phases. Single Li insertion occurs at the predicted voltages of similar order in all VO phases (3.13-3.65 V), in good agreement with the experimental measurements [125,139,140]. Single-atom insertion of Na and K is much less favorable in VO2 versus V2O5, as evidenced by the significant drop-off in respective voltages.…”
Section: LI Na K Mg and Al Insertion Propertiessupporting
confidence: 84%
“…Hierarchical V 2 O 5 microspheres, composed of stacked platelets, prepared from ammonium vanadate, manifested a high capacity (266 mA h g −1 ), excellent rate capability (223 mA h g −1 at a current density 2400 mA g −1 ), and good cycling stability (200 mA h g −1 after 100 cycles) [282], all properties useful for lithium-ion batteries cathodic material.…”
Section: O 5 and Related Speciesmentioning
confidence: 99%
“…Second, the as-sintered pellets were used in the melt-quenching approach. [ 34 ] After they were melted completely on an acetylene and oxygen fl ame, they were quickly quenched in water to obtain highly dense bulks.…”
Section: Sample Preparationmentioning
confidence: 99%