Study of the lithium insertion and de-insertion in perovskite praseodymium bismuth lithium titanate

Mario Fidel García, Nestor Fernández, Katia Borrego, María Luisa Martínez-Sarrión, Lourdes Mestres, Marta Herraiz

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The stoichiometry and lithium-insertion reactions with n BuLi in solid solutions Pr0.5+x-yLi0.5-3xBiy TiO3 have been studied. The results indicate that bismuth affects these processes. Two joins with bismuth and lithium constant, respectively, are studied in the phase diagram. The amount of lithium inserted depends on the number of vacancies and the amount of bismuth in the original sample. The amount of lithium de-inserted depends only on the amount of bismuth. The cell volume increases when the amount of the lithium inserted increases, but anomalous dependence is observed in de-insertion. The presence of bismuth decreases the amount of lithium inserted in the sample, but favors the reversibility of the insertion.

Original languageEnglish
Pages (from-to)729-734
Number of pages6
JournalJournal of the European Ceramic Society
Volume25
Issue number5
DOIs
StatePublished - Feb 2005
Externally publishedYes

Keywords

  • (Pr,Li,Bi)TiO
  • Insertion reactions
  • Intercalation
  • Perovskites

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