期刊
CHEMICAL PHYSICS LETTERS
卷 354, 期 5-6, 页码 389-394出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0009-2614(02)00148-3
关键词
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Both amorphous and polycrystalline films of the aromatic hydrocarbon perylene are found to accept as high as one lithium per 3.3 +/- 0.1 carbon atoms. Phases composed of stoichiometric compounds with two, four and six lithium atoms per molecule are observed. The intercalation involves a substantial charge transfer from the lithium atoms to the molecules. Moreover, a high binding energy of the dopant-induced valence band electronic states is observed by photoelectron spectroscopy. Those observations suggest a high energy storage capacity for small- and medium-size aromatic hydrocarbons and their potential use in batteries. (C) 2002 Elsevier Science B.V. All rights reserved.
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