Electronic Aspect of Intercalation in Layered, Spinel and Olivine Type Cathode Materials

• Autorzy: Molenda J.
• Języki publikacji: EN

Abstrakty

EN

The ability and efficiency of lithium intercalation into transition metal compounds has been found to depend strongly on their electronic structure. This work is a brief review of physicochemical properties of intercalated transition metal compounds with layered, spinel or olivine type structure in order to correlate their microscopic electronic properties i.e. the nature of electronic states with the efficiency of lithium intercalation process which is directed by the chemical diffusion coefficient of lithium. The data concerning cell voltages and character of discharge curves for various materials are correlated with the nature of chemical bonding and electronic structure. The nature of the metallic type conductivity of doped phospho-olivine is discussed and some fundamental arguments against the bulk nature of the observed high electronic conductivity are presented.

Słowa kluczowe

EN

Li-ion batteries; intercalation; transition metal compounds; LiFePO4

• Wydawca: Polskie Towarzystwo Chemiczne
• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2004
• Tom: Vol. 78 / nr 9
• Strony: 1413--1421
• Opis fizyczny: Bibliogr. 20 poz., rys.

Twórcy

autor

Molenda J.

• Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. A. Mickiewicza 30, 30-059 Cracow, Poland,

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