Electrochemical intercalation of lithium ions into LiV3O8 in an aqueous electrolyte

G. J. Wang, Q. T. Qu, B. Wang, Y. Shi, S. Tian, Y. P. Wu, R. Holze

Research output: Contribution to journalArticlepeer-review

70 Scopus citations

Abstract

Electrochemical intercalation of lithium ions from a saturated LiNO3 aqueous electrolyte solution into LiV3O8 prepared by a solid-state reaction at 680 °C was studied with cyclic voltammetry and electrochemical impedance spectroscopy (EIS). Results show that there are three steps of intercalation in the presence of an aqueous electrolyte, in agreement with those previously observed with organic liquid electrolytes. In addition, variations of several parameters including the charge transfer resistance (Rct), the capacitance of the double layer (CDL), the Warburg diffusion impedance (Zw), and diffusion coefficient of lithium ions (DL i+) during the intercalation process are reported.

Original languageEnglish
Pages (from-to)503-506
Number of pages4
JournalJournal of Power Sources
Volume189
Issue number1
DOIs
StatePublished - 1 Apr 2009
Externally publishedYes

Keywords

  • Aqueous electrolyte
  • Aqueous rechargeable lithium battery (ARLB)
  • Cyclic voltammogram
  • LiVO

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