Lithium in In2S3 |
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Authors: | Dedryvère R Uhrmacher M Lohstroh A Picard-Garcia A Olivier-Fourcade J Jumas J-C |
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Institution: | 1.II. Physikalisches Institut, Universit?t G?ttingen, Bunsenstr. 7-9, D-37073, G?ttingen, Germany ;2.Laboratoire des Agrégats Moléculaires et des Matériaux Inorganiques, CC15, Université Montpellier 2, F-34095, Montpellier cedex 5, France ; |
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Abstract: | The electrochemical insertion of lithium into β-In2S3 at different concentrations has been investigated by means of γγ-Perturbed Angular Correlations measurements using implanted
radioactive 111In nuclei. The study of the hyperfine interactions of the 111Cd nuclei during the decay 111In(EC)111Cd allowed to determine the evolution of the three observed electric field gradients at different temperatures and lithium
contents. This study reveals a great difference of behavior between the three indium sites of the structure, and shows the
mobility of indium ions and their partial reduction after lithium insertion. In2S3 is good model material to study the properties of more complex materials based on this structure, which may be used as electrodes
for lithium-ion batteries.
This revised version was published online in September 2006 with corrections to the Cover Date. |
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Keywords: | lithium-ion battery In2S3 PAC sulfospinel Li-insertion |
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