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Burmakin E. I., Nechaev G. V., Shekhtman G. S. Potassium ion conductivity in mixed gallate-ferrite solid electrolytes. Electrochemical Energetics, 2014, vol. 14, iss. 1, pp. 35-39. , EDN: TAKNIT

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Language: 
Russian
Heading: 
Acid batteries
Article type: 
Article
UDC: 
544.6.018.462
EDN: 
TAKNIT

Potassium ion conductivity in mixed gallate-ferrite solid electrolytes

Autors: 
Burmakin Evgenii Iraklievich, Institute of high-temperature Electrochemistry UB of RAS
Nechaev Grigorii Viktorovich, Institute of high-temperature Electrochemistry UB of RAS
Shekhtman Georgii Shaevich, Institute of high-temperature Electrochemistry UB of RAS
Abstract: 

New potassium solid electrolytes in the mixed gallate-ferrite systems K0.85Pb0.75(Ga1−xFex)O2 and K1.85(Ga1−xFex)1.925V0.75O4 were synthesized and studied. In the both systems the monotonic increasing of conductivity with increasing of Fe3+ concentration takes place, anomalies as in the early investigated aluminate-ferrite systems does not fixed. Conductivities at the intermediate ranges of «x» have rather high values (> 10−2 Cm·sm−1 at 50°C, > 1 Cm·sm−1 at 70°C), this allowes to optimize the composition of solid electrolytes at the relation of conductivity/stability properties.

Key words: 
solid electrolytes
potassium ion conductivity
potassium monogallate
potassium monoferrite
Pb2+ and V5+ additives
Reference: 
  1. Burmakin E. I. Tverdye elektrolity s provodimost’ju po kationam shhelochnyh metallov [Solid electrolytes with conductivity cations alkali metal] Moskow, Nauka Publ., 1992, 264 p. (in Russian).
  2. Crosbi G. H. J. Electrochem. Soc., 1982, vol.129, pp.2727.
  3. Aleksandrov K. A., Batalov N. N., Kozlova Z. R., Surikov V. T. Elektrokhimicheskaya Energetika [ Electrochemical Energetics], 2007, vol.7, pp. 21. (in Russian).
  4. Ivanov-Shic A. K., Murin I. V. Ionika tverdogo tela [ Solid state ionics]. S-Peterburg, SPbGU Publ., 2000, 616 p. (in Russian).
  5. Burmakin E. I., Shehtman G. Sh., Antonov B. D. Elektrokhimiya [ Russian Journal of Electrochemistry], 2011, vol. 47, pp. 480–483. (in Russian).
  6. Burmakin E. I., Shehtman G. Sh., Nechaev G. V. Russian J. Electrochem., 2012, vol. 48, pp. 1079–1083.
  7. Burmakin E. I., Nechaev G. V., Plaksin S. V. Elektrokhimicheskaya Energetika [ Electrochemical Energetics], 2011, vol. 11, pp. 26–30. (in Russian).
  8. Burmakin E. I., Shehtman G. Sh., Zhidovinova S. V. Zhurnal neorganicheskoi khimii [ Russian J. Inorganic Chemistry], 1985, vol. 30, pp. 2228–2230 (in Russian).
  9. Natarajan M, Secco E. A. Canad. J. Chem., 1975, vol. 53, pp. 1542–1547.
  10. Lutz H., Schmidt W., Haueseler H. Z. anorg. allg. Chem., 1979, bd. 453, pp. 121–126.
  11. Vielhaber E., Hoppe E. Z. anorg. allg. Chem., 1969, bd. 369. pp. 14–32.
  12. Burmakin E. I., Venediktova M. Je., Shehtman G. Sh. Elektrokhimiya, [ Russian J. Electrochem.], 1985, vol. 21, pp. 747–751. (in Russian).
  13. Shannon R. D. Acta Cryst., 1976, vol. A32, pp. 751–767.
Received: 
10.03.2014
Accepted: 
10.03.2014
Published: 
31.03.2014