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Xiao-Jun Wang, Reinhard Nesper, Claire Villevieille and Petr Novák Ammonolyzed MoO3 Nanobelts as Novel Cathode Material of Rechargeable Li-Ion Batteries Advanced Energy Materials 3

Article first published online: 21 NOV 2012 | DOI: 10.1002/aenm.201200692

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Nitrogen doping is successfully applied to terminal oxygen ligands of [MoO6] octahedral layers in α-MoO3 nanobelts through ammonolysis at soft chemical conditions. In addition to an enhanced electronic conductivity, the ammonolyzed compound exhibits faster lithium ion mobility than regular α-MoO3. As a consequence, the material exhibits specific capacities above 250 A h kg−1 in the potential window 1.5–3.5 V, accompanied by an activation process. The material shows much better cycling stability than MoO3 and performs without fading during more than 300 cycles.

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