Characterization of nanosize molybdenum trisulfide for lithium batteries and MoS3 structure confirmation via electrochemistry

Publisher:
Electrochemical Society, Inc.
Publication Type:
Journal article
Citation:
Wang J. et al. 2007, 'Characterization of nanosize molybdenum trisulfide for lithium batteries and MoS3 structure confirmation via electrochemistry', Electrochemical Society, Inc., vol. 10, no. 9, pp. A204-A207.
Issue Date:
2007
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Nanosize molybdenum trisulfide, MoS3, was synthesized in a polyoxyethylene (2) nonylphenyl ether/ cyclohexane/ water micro-emulsion by acidifying ammonium tetrathiomolybdate solubilized in the water cores of inverse micelles. MoS3 was also prepared by thermal decomposition for comparison. X- ray diffraction, TEM, and electrochemical testing characterized the molybdenum trisulfide. By comparing the cyclic voltammetry results on MoS3 and S electrodes in lithium cells, the conclusions about the structure of MoS3 from previous research work have been confirmed. That is, the molybdenum trisulfide molecules were not a mixture of MoS2 and elemental S. Molybdenum trisulfide exists as Mo3S9 clusters, which are, in turn, linked by bridging S - S bonds
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