Orthorhombic MoO3 Nanofibers as Cathode Materials for Lithium Batteries
- Hashem, A.M.
- Groult, H.
- Mauger, A.
- Zaghib, K.
- Trottier, J.
- Julien, C.M.
DOIAbstract
International audienceWe report the structural and electrochemical properties of MoO3 nanofibers synthesized by hydrothermal reaction from acidified ammonium heptamolybdate tetrahydrate precursor. Structural analysis shows that MoO3 nanofibers 50-80 nm in diameter and a several micrometers in length are grown in the orthorhombic system (Pbnm S.G.). The composition MoO2.9975 was determined by Rietveld refinement and magnetic susceptibility measurements. The electrochemical performance of Li//MoO3 cells with nanofibers deliver a better discharge capacity after 40 cycles than MoO3 bulk
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