Bulk and electrochemical properties of BiVO4

I.C. Vinke; J. Diepgrond; B.A. Boukamp; K.J. de Vries; A.J. Burggraaf

doi:10.1016/0167-2738(92)90067-Y

Bulk and electrochemical properties of BiVO₄

I.C. Vinke, J. Diepgrond, B.A. Boukamp, K.J. de Vries, A.J. Burggraaf

Inorganic Materials Science

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Abstract

The mixed (oxygen ionic-electronic) conductor bismuth vanadate (BiVO₄) was studied with respect to its electrochemical properties. The ionic transference numbers, measured by the concentration cell method in the temperature range of 800 to 1000 K, vary from 0.7 to 0.3. The total conductivity of this ceramic material isone order of magnitude lower than found for cubic yttria-stabilized zirconia (YSZ). The activation enthalpy for the electronic conductivity is high (193 kJ/mol) compared to the ionic conductivity (71 kJ/mol). The P_O2 dependence of the conductivity data in combination with the Seebeck measurements showed electrons to be the majority charge carriers, indicating that BiVO₄ is an n-type mixed conductor.

Original language	English
Pages (from-to)	83-89
Number of pages	7
Journal	Solid state ionics
Volume	57
Issue number	1-2
DOIs	https://doi.org/10.1016/0167-2738(92)90067-Y
Publication status	Published - 1992

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title = "Bulk and electrochemical properties of BiVO4",

abstract = "The mixed (oxygen ionic-electronic) conductor bismuth vanadate (BiVO4) was studied with respect to its electrochemical properties. The ionic transference numbers, measured by the concentration cell method in the temperature range of 800 to 1000 K, vary from 0.7 to 0.3. The total conductivity of this ceramic material isone order of magnitude lower than found for cubic yttria-stabilized zirconia (YSZ). The activation enthalpy for the electronic conductivity is high (193 kJ/mol) compared to the ionic conductivity (71 kJ/mol). The PO2 dependence of the conductivity data in combination with the Seebeck measurements showed electrons to be the majority charge carriers, indicating that BiVO4 is an n-type mixed conductor.",

author = "I.C. Vinke and J. Diepgrond and B.A. Boukamp and {de Vries}, K.J. and A.J. Burggraaf",

year = "1992",

doi = "10.1016/0167-2738(92)90067-Y",

language = "English",

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journal = "Solid state ionics",

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T1 - Bulk and electrochemical properties of BiVO4

AU - Vinke, I.C.

AU - Diepgrond, J.

AU - Boukamp, B.A.

AU - de Vries, K.J.

AU - Burggraaf, A.J.

PY - 1992

Y1 - 1992

N2 - The mixed (oxygen ionic-electronic) conductor bismuth vanadate (BiVO4) was studied with respect to its electrochemical properties. The ionic transference numbers, measured by the concentration cell method in the temperature range of 800 to 1000 K, vary from 0.7 to 0.3. The total conductivity of this ceramic material isone order of magnitude lower than found for cubic yttria-stabilized zirconia (YSZ). The activation enthalpy for the electronic conductivity is high (193 kJ/mol) compared to the ionic conductivity (71 kJ/mol). The PO2 dependence of the conductivity data in combination with the Seebeck measurements showed electrons to be the majority charge carriers, indicating that BiVO4 is an n-type mixed conductor.

AB - The mixed (oxygen ionic-electronic) conductor bismuth vanadate (BiVO4) was studied with respect to its electrochemical properties. The ionic transference numbers, measured by the concentration cell method in the temperature range of 800 to 1000 K, vary from 0.7 to 0.3. The total conductivity of this ceramic material isone order of magnitude lower than found for cubic yttria-stabilized zirconia (YSZ). The activation enthalpy for the electronic conductivity is high (193 kJ/mol) compared to the ionic conductivity (71 kJ/mol). The PO2 dependence of the conductivity data in combination with the Seebeck measurements showed electrons to be the majority charge carriers, indicating that BiVO4 is an n-type mixed conductor.

U2 - 10.1016/0167-2738(92)90067-Y

DO - 10.1016/0167-2738(92)90067-Y

M3 - Article

SN - 0167-2738

VL - 57

SP - 83

EP - 89

JO - Solid state ionics

JF - Solid state ionics

IS - 1-2

ER -