Electrochemical reaction of lithium with CoP3

作者: R Alcantara , JL Tirado , JC Jumas , L Monconduit , J Olivier-Fourcade

DOI: 10.1016/S0378-7753(02)00081-2

关键词: X-ray absorption spectroscopyX-ray crystallographyReversible processGravimetric analysisReaction mechanismPhysical chemistryElectrochemistryNuclear chemistryChemistryCobaltLithium

摘要: Abstract The electrochemical reaction of lithium with the skutterudite-type CoP3 compound has been studied. To follow mechanism, X-ray diffraction (XRD), 7 Li nuclear magnetic resonance (NMR) and absorption (XAS) experiments have carried out. During first phase, cobalt is reduced lithium-phosphide formed. reversible process observed during subsequent cycles consists formation Li3P from its elements, giving a maximum in gravimetric capacity 487 mAh/g.

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