Abstract

Modern rechargeable lithium batteries based on topochemical reactions are built by the assembly of a lithium-ion source, a non-aqueous electrolyte and an insertion compound in which guest ions are inserted into the host lattice [1]. A variety of molybdenum oxides has been noted as active materials in lithium batteries [2–9], due to the high energy density of the Li-Mo-O cells. Because the insertion process in host compounds is influenced by their crystal structure and electronic properties, i.e., Li+ mobility is mainly related to the geometry of diffusion pathways and maximum Li uptake is a function of ionic sites that can accommodate Li-ions and/or the number of electronic sites available for the corresponding electrons, the morphological characteristics of the subsequent cathode-active materials are of prime importance.

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