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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.chemmater.0c02460
|2 doi
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|a pubmed24n1354.xml
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|a eng
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|a Hiebl, Caroline
|e verfasserin
|4 aut
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|a Rapid Low-Dimensional Li+ Ion Hopping Processes in Synthetic Hectorite-Type Li0.5[Mg2.5Li0.5]Si4O10F2
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|c 2020
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 29.03.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright © 2020 American Chemical Society.
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|a Understanding the origins of fast ion transport in solids is important to develop new ionic conductors for batteries and sensors. Nature offers a rich assortment of rather inspiring structures to elucidate these origins. In particular, layer-structured materials are prone to show facile Li+ transport along their inner surfaces. Here, synthetic hectorite-type Li0.5[Mg2.5Li0.5]Si4O10F2, being a phyllosilicate, served as a model substance to investigate Li+ translational ion dynamics by both broadband conductivity spectroscopy and diffusion-induced 7Li nuclear magnetic resonance (NMR) spin-lattice relaxation experiments. It turned out that conductivity spectroscopy, electric modulus data, and NMR are indeed able to detect a rapid 2D Li+ exchange process governed by an activation energy as low as 0.35 eV. At room temperature, the bulk conductivity turned out to be in the order of 0.1 mS cm-1. Thus, the silicate represents a promising starting point for further improvements by crystal chemical engineering. To the best of our knowledge, such a high Li+ ionic conductivity has not been observed for any silicate yet
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|a Journal Article
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|a Loch, Patrick
|e verfasserin
|4 aut
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1 |
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|a Brinek, Marina
|e verfasserin
|4 aut
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|a Gombotz, Maria
|e verfasserin
|4 aut
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1 |
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|a Gadermaier, Bernhard
|e verfasserin
|4 aut
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1 |
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|a Heitjans, Paul
|e verfasserin
|4 aut
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|a Breu, Josef
|e verfasserin
|4 aut
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|a Wilkening, H Martin R
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Chemistry of materials : a publication of the American Chemical Society
|d 1998
|g 32(2020), 17 vom: 08. Sept., Seite 7445-7457
|w (DE-627)NLM098194763
|x 0897-4756
|7 nnns
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| 773 |
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|g volume:32
|g year:2020
|g number:17
|g day:08
|g month:09
|g pages:7445-7457
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|u http://dx.doi.org/10.1021/acs.chemmater.0c02460
|3 Volltext
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