The electrode resistance of ZrO2---Y2O3(-Bi2O3) solid electrolytes with Pt electrodes

Aloysius J.A. Winnubst, A.H.A. Scharenborg, A.J. Burggraaf

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Abstract

The electrode resistance (Re1) at low over-voltages has been determined for Bi2O3 free and Bi2O3 doped yttria-stabilized zirconia with sputtered platinum electrodes. The anode and cathode resistances are measured separately and are equal. Bi2O3 causes a decrease of the electrode resistance at small overvoltage and with 5 × 10−4 < PO2 less-than-or-equals, slant 1 atm. The rate determining step for the electrode reaction under the measuring conditions probably is a charge-transfer process in which oxygen adsorbs dissociatively on the bismuth free and associatively on the bismuth doped samples. The complex impedance behaviour of the electrode reaction can be interpreted in terms of R-C circuits in the PO2 range of 10−2−1 atm.
Original languageUndefined
Pages (from-to)319-327
JournalSolid state ionics
Volume14
Issue number4
DOIs
Publication statusPublished - 1984

Keywords

  • IR-61534

Cite this

Winnubst, Aloysius J.A. ; Scharenborg, A.H.A. ; Burggraaf, A.J. / The electrode resistance of ZrO2---Y2O3(-Bi2O3) solid electrolytes with Pt electrodes. In: Solid state ionics. 1984 ; Vol. 14, No. 4. pp. 319-327.
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The electrode resistance of ZrO2---Y2O3(-Bi2O3) solid electrolytes with Pt electrodes. / Winnubst, Aloysius J.A.; Scharenborg, A.H.A.; Burggraaf, A.J.

In: Solid state ionics, Vol. 14, No. 4, 1984, p. 319-327.

Research output: Contribution to journalArticleAcademic

TY - JOUR

T1 - The electrode resistance of ZrO2---Y2O3(-Bi2O3) solid electrolytes with Pt electrodes

AU - Winnubst, Aloysius J.A.

AU - Scharenborg, A.H.A.

AU - Burggraaf, A.J.

PY - 1984

Y1 - 1984

N2 - The electrode resistance (Re1) at low over-voltages has been determined for Bi2O3 free and Bi2O3 doped yttria-stabilized zirconia with sputtered platinum electrodes. The anode and cathode resistances are measured separately and are equal. Bi2O3 causes a decrease of the electrode resistance at small overvoltage and with 5 × 10−4 < PO2 less-than-or-equals, slant 1 atm. The rate determining step for the electrode reaction under the measuring conditions probably is a charge-transfer process in which oxygen adsorbs dissociatively on the bismuth free and associatively on the bismuth doped samples. The complex impedance behaviour of the electrode reaction can be interpreted in terms of R-C circuits in the PO2 range of 10−2−1 atm.

AB - The electrode resistance (Re1) at low over-voltages has been determined for Bi2O3 free and Bi2O3 doped yttria-stabilized zirconia with sputtered platinum electrodes. The anode and cathode resistances are measured separately and are equal. Bi2O3 causes a decrease of the electrode resistance at small overvoltage and with 5 × 10−4 < PO2 less-than-or-equals, slant 1 atm. The rate determining step for the electrode reaction under the measuring conditions probably is a charge-transfer process in which oxygen adsorbs dissociatively on the bismuth free and associatively on the bismuth doped samples. The complex impedance behaviour of the electrode reaction can be interpreted in terms of R-C circuits in the PO2 range of 10−2−1 atm.

KW - IR-61534

U2 - 10.1016/0167-2738(84)90116-4

DO - 10.1016/0167-2738(84)90116-4

M3 - Article

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