Modeling the voltage profile for LiFePO

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Abstract

The voltage profile of LiFePO 4 is described as the sum of three individual contributions: (i) the rapid segregation of lithium on the grain surface during the first stage of the intercalation process; (ii) the flat voltage region characteristic of a two-phase system; and (iii) the decay of the voltage to the end of the intercalation process. A general equation describing the voltage profile as a function of the degree of intercalation was developed for low discharge rate. The equation was successfully used to describe the voltage profile of LiFePO 4 for increasing discharge rates up to 10 C. © 2005 The Electrochemical Society. All rights reserved.
Original languageEnglish
Pages (from-to)-
JournalJournal of the Electrochemical Society
Volume152
Issue number10
DOIs
Publication statusPublished - 2005

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All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Condensed Matter Physics
  • Surfaces, Coatings and Films
  • Materials Chemistry
  • Electrochemistry

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