Lithium intercalation behavior of iron cyanometallates

N. Imanishi, T. Morikawa, J. Kondo, R. Yamane, Y. Takeda, O. Yamamoto, H. Sakaebe, M. Tabuchi

Research output: Contribution to journalConference articlepeer-review

86 Citations (Scopus)


Iron cyanometallates having a formula, Mg6-mn+[Fem+ (CN)6]n (M = V, Mn, Co, Ni, Cu) were prepared and their charge-discharge behavior was discussed. In the V-Fe complex, average discharge potential is about 3.6 V corresponding to reduction of V3+ , whereas the Mn, Co, Ni, and Cu complexes show similar discharge potential around 3.3 V that is resulted from reduction of [Fe3+ (CN)6]3- unit in the lattice. The specific capacity of V, Mn, Co, Ni complexes show about 60-80 mA h g-1, but copper complex indicates almost double capacity, ca. 140 mA h g-1. This is explained by considering the capacity caused by Cu2+ to Cu+ reduction in addition to [Fe3+ (CN)6]3+ → [Fe2+ (CN)6]4- reduction.

Original languageEnglish
Pages (from-to)530-534
Number of pages5
JournalJournal of Power Sources
Publication statusPublished - Sep 1999
Externally publishedYes
EventProceedings of the 1998 Ninth International Meeting on Lithium Batteries - Edingburgh, United Kingdom
Duration: Jul 12 1998Jul 17 1998

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering


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