Oxygen reduction at the interface of nonstoichiometric fluoride single crystals with metal electrodes

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Oxygen reduction at the interface of nonstoichiometric fluoride single crystals with metal electrodes. / Turaeva, M. S.; Tarasenkova, I. V.; Urchukova, M. M.; Murin, I. V.

In: Russian Journal of Electrochemistry, Vol. 49, No. 7, 07.2013, p. 704-711.

Research output: Contribution to journal › Article › peer-review

Author

Turaeva, M. S. ; Tarasenkova, I. V. ; Urchukova, M. M. ; Murin, I. V. / Oxygen reduction at the interface of nonstoichiometric fluoride single crystals with metal electrodes. In: Russian Journal of Electrochemistry. 2013 ; Vol. 49, No. 7. pp. 704-711.

BibTeX

@article{361a0f2c43304975b72634c4ff400a0b,

title = "Oxygen reduction at the interface of nonstoichiometric fluoride single crystals with metal electrodes",

abstract = "Electrochemical measurements are carried out on three-phase boundaries LaF3:Eu2+/Me, oxygen gas, where Me = Ti, Be, Ta, Au and also on the boundaries of CeF3:Sr2+ with Ag-supported Ag and Bi microelectrodes by the methods of linear scan voltammetry, chronoamperometry, and cyclic voltammetry. The conditions beneficial for reduction of oxygen gas, transformations of chemisorbed oxygen, and the appearance of its mobile forms are considered. Results on the interaction of gaseous oxygen with metals in contact with LaF3:Eu2+ single crystals are generalized. The correlation is found between the oxygen reduction potential and the difference of electronegativities Δχ Me-O. The relationship is revealed between the oxygen reduction potential and the Me-Me bond energy by taking into account the structural factor f/k n, where f is the number of binding electrons and k n is the coordination number.",

keywords = "nonstoichiometric fluorides, oxygen gas reduction, solid electrolytes, voltammmetry",

author = "Turaeva, {M. S.} and Tarasenkova, {I. V.} and Urchukova, {M. M.} and Murin, {I. V.}",

year = "2013",

month = jul,

doi = "10.1134/S1023193513070173",

language = "English",

volume = "49",

pages = "704--711",

journal = "Russian Journal of Electrochemistry",

issn = "1023-1935",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "7",

}

RIS

TY - JOUR

T1 - Oxygen reduction at the interface of nonstoichiometric fluoride single crystals with metal electrodes

AU - Turaeva, M. S.

AU - Tarasenkova, I. V.

AU - Urchukova, M. M.

AU - Murin, I. V.

PY - 2013/7

Y1 - 2013/7

N2 - Electrochemical measurements are carried out on three-phase boundaries LaF3:Eu2+/Me, oxygen gas, where Me = Ti, Be, Ta, Au and also on the boundaries of CeF3:Sr2+ with Ag-supported Ag and Bi microelectrodes by the methods of linear scan voltammetry, chronoamperometry, and cyclic voltammetry. The conditions beneficial for reduction of oxygen gas, transformations of chemisorbed oxygen, and the appearance of its mobile forms are considered. Results on the interaction of gaseous oxygen with metals in contact with LaF3:Eu2+ single crystals are generalized. The correlation is found between the oxygen reduction potential and the difference of electronegativities Δχ Me-O. The relationship is revealed between the oxygen reduction potential and the Me-Me bond energy by taking into account the structural factor f/k n, where f is the number of binding electrons and k n is the coordination number.

AB - Electrochemical measurements are carried out on three-phase boundaries LaF3:Eu2+/Me, oxygen gas, where Me = Ti, Be, Ta, Au and also on the boundaries of CeF3:Sr2+ with Ag-supported Ag and Bi microelectrodes by the methods of linear scan voltammetry, chronoamperometry, and cyclic voltammetry. The conditions beneficial for reduction of oxygen gas, transformations of chemisorbed oxygen, and the appearance of its mobile forms are considered. Results on the interaction of gaseous oxygen with metals in contact with LaF3:Eu2+ single crystals are generalized. The correlation is found between the oxygen reduction potential and the difference of electronegativities Δχ Me-O. The relationship is revealed between the oxygen reduction potential and the Me-Me bond energy by taking into account the structural factor f/k n, where f is the number of binding electrons and k n is the coordination number.

KW - nonstoichiometric fluorides

KW - oxygen gas reduction

KW - solid electrolytes

KW - voltammmetry

UR - http://www.scopus.com/inward/record.url?scp=84880296902&partnerID=8YFLogxK

U2 - 10.1134/S1023193513070173

DO - 10.1134/S1023193513070173

M3 - Article

VL - 49

SP - 704

EP - 711

JO - Russian Journal of Electrochemistry

JF - Russian Journal of Electrochemistry

SN - 1023-1935

IS - 7

ER -

ID: 7396571