Vanadium pentoxide xerogel (XRG) materials have shown promise for use as cathodes in high energy density batteries. A composite cathode was formed from a mixture of the XRG, carbon, and two binders and studied in a coin cell configuration. The cathode, separator, and lithium anode were stacked in a 2016 coin cell container, and a liquid electrolyte was used for the investigation. In contrast to thin film configurations where may be inserted per mole of the XRG host, the composite cathode supported the insertion of less than per mole of (XRG). It appears that morphology, electronic conductivity, and solid‐state diffusivity combined to limit the performance of the cathodes.
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Tipton et al. (1996) studied this question.