期刊
JOURNAL OF POWER SOURCES
卷 109, 期 2, 页码 308-312出版社
ELSEVIER
DOI: 10.1016/S0378-7753(02)00081-2
关键词
lithium; X-ray diffraction; electrochemical reaction; cobalt phosphide; X-ray absorption
The electrochemical reaction of lithium with the skutterudite-type CoP3 compound has been studied. To follow the reaction mechanism, Xray diffraction (XRD), Li-7 nuclear magnetic resonance (NMR) and X-ray absorption (XAS) experiments have been carried out. During the first reaction of the CoP3 phase, cobalt is reduced and lithium-phosphide is formed. The reversible process observed during subsequent cycles consists of the formation of Li3P from its elements, giving a maximum in reversible gravimetric capacity of 487 mAh/g. (C) 2002 Elsevier Science B.V. All rights reserved.
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