Resolving the different silicon clusters in Li12Si7 by 29Si and (6,7)Li solid-state NMR spectroscopy |
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| Authors: | Köster Thomas K-J Salager Elodie Morris Andrew J Key Baris Seznec Vincent Morcrette Mathieu Pickard Chris J Grey Clare P |
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| Affiliation: | Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK. |
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| Abstract: | Structural signatures: The analysis of Si-Si and Si-Li connectivities by solid-state NMR spectroscopy allows the different types of silicon clusters to be discriminated in the model lithium silicide compound Li(12)Si(7) (see picture, Si clusters red and blue, Li ions gray). The results provide new NMR spectroscopic strategies with which to differentiate and study the structures formed in silicon-based electrode materials. |
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| Keywords: | lithium NMR spectroscopy silicon |
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