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Reversible Lithium-Ion Insertion in Molybdenum Oxide Nanoparticles

Authors


  • This work was funded by the U.S. Department of Energy under subcontract number DE-AC36-99-GO10337 through: the NREL Laboratory Directed Research and Development Program and the DOE Office of Energy Efficiency and Renewable Energy Office of the Vehicle Technologies Program. Supporting Information is available online from Wiley InterScience or from the authors.

Abstract

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Li-ion battery anodes fabricated from crystalline MoO3 nanoparticles display an anomalous reversible capacity of 630 mAhg−1 when cycled at high rate. The nanoparticle anodes show no degradation in capacity for 150 cycles, where micron sized MoO3 particles are shown to fail after several cycles. Theoretical calculations elucidate the Li-ion intercalation mechanism and explain the reversible capacity.

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