Dip-coated silver-doped V2O5 xerogels as host materials for lithium intercalation

F. Coustier, S. Passerini, W. H. Smyrl

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71 Scopus citations


Vanadium pentoxide xerogels have shown high electrochemical performance in terms of energy content. The high specific energy and high intercalation capability make the materials promising for thin film lithium battery and electrochromic device applications. In order to enhance the rate capabilities of the host we increased the electronic conductivity by doping the V2O5 xerogels with silver. Samples were prepared by mixing various amounts of silver powder with V2O5 hydrogel. We were able to prepare silver-doped vanadium pentoxide dip-coated thin films with a molar ratio (Ag/V) ranging from 0.005 to 0.5 (AgyV2O5 with y = 0.01, 0.1 and 1). With the successful doping, the electronic conductivity of V2O5 was increased by 2 to 3 orders of magnitude. The insertion capacity of the material was maintained and up to 4 moles of lithium per mole of silver-doped V2O5 (XRG) were found to be reversibly intercalated.

Original languageEnglish (US)
Pages (from-to)247-258
Number of pages12
JournalSolid State Ionics
Issue number3-4
StatePublished - Oct 1997


  • Electronic conductivity
  • Intercalation host
  • Lithium batteries
  • Sol-gel
  • Vanadium pentoxide
  • Xerogel

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