Performance of copper-doped V2O5 xerogel in coin cell assembly

Fabrice Coustier, Gabriel Jarero, Stefano Passerini, William H Smyrl

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

Copper-doped, vanadium pentoxide xerogel is prepared through a simple sol-gel procedure, followed by heterogeneous doping and freeze-drying. Composite cathodes were formed by spray-coating a mixture of the Cu-doped material, carbon, and binder onto aluminum foils. The composite cathodes were studied in 2016 coin cells with lithium anodes and supported liquid electrolyte. The electrochemical performance of the doped material is excellent. Up to 2.2 mol of lithium per mol of doped V2O5 can be reversibly intercalated. The composite cathodes also showed very high intercalation rate performance and an excellent cyclability with no capacity fading over a few hundred cycles (> 450).

Original languageEnglish (US)
Pages (from-to)9-14
Number of pages6
JournalJournal of Power Sources
Volume83
Issue number1-2
DOIs
StatePublished - Oct 1999

Bibliographical note

Funding Information:
The work was supported by DOE under contract DE-FG02-93ER14384 and by a subcontract from ARO/ITT through the Minority HUB MURI.

Keywords

  • Coin cell
  • Copper vanadium oxide
  • Lithium/lithium-ion battery
  • VO
  • Xerogel

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