Electrochemical properties of Ti-Ni-Sn materials predicted by 119Sn Mössbauer spectroscopy
| العنوان: | Electrochemical properties of Ti-Ni-Sn materials predicted by 119Sn Mössbauer spectroscopy |
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| المؤلفون: | Josette Olivier-Fourcade, Pierre-Emmanuel Lippens, C. Cenac-Morthe, Laurent Aldon, Alix Ladam, Jean-Claude Jumas |
| المصدر: | Hyperfine Interactions. 237 |
| بيانات النشر: | Springer Science and Business Media LLC, 2016. |
| سنة النشر: | 2016 |
| مصطلحات موضوعية: | Nuclear and High Energy Physics, Electrode material, Materials science, Metallurgy, Diagram, Analytical chemistry, 02 engineering and technology, 010402 general chemistry, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Electrochemistry, 01 natural sciences, Atomic and Molecular Physics, and Optics, 0104 chemical sciences, Mössbauer spectroscopy, Physical and Theoretical Chemistry, 0210 nano-technology, Ternary operation, Ball mill, Electronic density |
| الوصف: | The electrochemical activity of TiNiSn, TiNi 2Sn and Ti 6Sn 5 compounds considered as negative electrode materials for Li-ion batteries has been predicted from the isomer shift- Hume-Rothery electronic density correlation diagram. The ternary compounds were obtained from solid-state reactions and Ti 6Sn 5 by ball milling. The 119Sn Mossbauer parameters were experimentally determined and used to evaluate the Hume-Rothery electronic density [e av]. The values of [e av] are in the region of Li-rich Li-Sn alloys for Ti 6Sn 5 and outside this region for the ternary compounds, suggesting that the former compound is electrochemically active but not the two latter ones. Electrochemical tests were performed for these different materials confirming this prediction. The close values of [e av] for Ti 6Sn 5 and Li-rich Li-Sn alloys indicate that the observed good capacity retention could be related to small changes in the global structures during cycling. |
| تدمد: | 1572-9540 0304-3843 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::9f4621ddc252a4232ca99784ed2be5f5 https://doi.org/10.1007/s10751-016-1295-4 |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi...........9f4621ddc252a4232ca99784ed2be5f5 |
| قاعدة البيانات: | OpenAIRE |
Find this article in full text from Springer Verlag. | تدمد: | 15729540 03043843 |
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