Solid-State NMR Studies of Chemically Lithiated CF

Three types of fluorinated carbon, all in their original form and upon sequential chemical lithiations via n-butyllithium, were investigated by (13)C and (19)F solid-state NMR methods. The three starting CF(x) materials [where x = 1 (nominally)] were fiber based, graphite based, and petroleum coke b...

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Bibliographic Details
Published in:Journal of the Electrochemical Society 2010-01, Vol.157 (2), p.A148-A154
Main Authors: Leifer, N D, Johnson, V S, Ben-Ari, R, Gan, H, Lehnes, J M, Guo, R, Lu, W, Muffoletto, B C, Reddy, T, Stallworth, P E, Greenbaum, S G
Format: Article
Language:English
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Summary:Three types of fluorinated carbon, all in their original form and upon sequential chemical lithiations via n-butyllithium, were investigated by (13)C and (19)F solid-state NMR methods. The three starting CF(x) materials [where x = 1 (nominally)] were fiber based, graphite based, and petroleum coke based. The aim of the current study was to identify, at the atomic/molecular structural level, factors that might account for differences in electrochemical performance among the different kinds of CF(x). Differences were noted in the covalent F character among the starting compounds and in the details of LiF production among the lithiated samples.
ISSN:0013-4651
DOI:10.1149/1.3267042