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ANSTO Publications Online >
Journal Publications >
Journal Articles >
Please use this identifier to cite or link to this item:
http://apo.ansto.gov.au/dspace/handle/10238/4055
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| Title: | In-situ neutron diffraction study of the MoS2 anode using a custom-built Li-ion battery |
| Authors: | Sharma, N Du, G Studer, AJ Guo, Z Peterson, VK |
| Keywords: | Neutron Diffraction ANODES Radioisotope Batteries LITHIUM IONS ENERGY STORAGE X-ray Diffraction |
| Issue Date: | 28-Sep-2011 |
| Publisher: | ELSEVIER |
| Citation: | Sharma, N., Du, G. D., Studer, A. J., Guo, Z. P., Peterson, V. K. (2011). In-situ neutron diffraction study of the MoS2 anode using a custom-built Li-ion battery. Solid State Ionics, 199-200, 37-43. |
| Abstract: | This work presents the first in-situ neutron diffraction study of the MoS2 electrode, undertaken in a custom-built Li-ion battery during discharge. A review of custom-designed cells for in-situ neutron diffraction experiments is presented along with our optimised cell, which we use to show real-time information corresponding to Li-insertion into MoS2 via disappearance of the (103) reflection and increase in the d-spacing of the (002) reflection. The changes in the diffraction patterns begin at the 1.1 V plateau and are complete during the 0.5 V plateau. Sequential Rietveld-refinement indicates the presence of an intermediate lithiated phase (LixMoS2) between MoS2 and LiMoS2. We observe the disappearance of all reflections for the MoS2, corresponding to the loss of long-range order, during the 0.5 V plateau and no new diffraction peaks appear with further electrochemical cycling. This result is indicative of a transformation from long-range ordered MoS2 to short-range ordered LiMoS2, a result that we confirm using ex-situ synchrotron X-ray and neutron diffraction. © 2011, Elsevier Ltd. |
| URI: | http://dx.doi.org/10.1016/j.ssi.2011.07.015 http://apo.ansto.gov.au/dspace/handle/10238/4055 |
| ISSN: | 0167-2738 |
| Appears in Collections: | Journal Articles |
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