Electrochemical characterization of nanostructured zirconias

S. Boulfrad; E. Djurado; J. Fouletier

doi:10.1016/j.ssi.2009.04.014

Electrochemical characterization of nanostructured zirconias

S. Boulfrad, E. Djurado^*, J. Fouletier

^*Corresponding author for this work

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

15 Scopus citations

Abstract

Redox stability of cubic nanostructured zirconia ceramics, free of any secondary phases, has been investigated experimentally as a function of grain size. Pure 8 mol% Y₂O₃-doped ZrO₂ powders were synthesized by a spray pyrolysis process and then compacted by uniaxial pressing, followed by cold isostatic pressing. Using appropriate thermal treatments, average grain sizes ranging from 25 to 242 nm and relative densities from 71% up to 98% were obtained. An electrochemical characterization was performed with comparison on ceramics of 3.2 and 7.6 μm and 98% of theoretical density starting from commercial YSZ powder.

Original language	English (US)
Pages (from-to)	978-983
Number of pages	6
Journal	Solid State Ionics
Volume	180
Issue number	14-16
DOIs	https://doi.org/10.1016/j.ssi.2009.04.014
State	Published - Jun 25 2009
Externally published	Yes

Keywords

Cubic
Electrochemical reduction
Electrolyte
Nanostructured zirconia
Redox stability
Solid oxide fuel cell

ASJC Scopus subject areas

General Chemistry
General Materials Science
Condensed Matter Physics

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10.1016/j.ssi.2009.04.014

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title = "Electrochemical characterization of nanostructured zirconias",

abstract = "Redox stability of cubic nanostructured zirconia ceramics, free of any secondary phases, has been investigated experimentally as a function of grain size. Pure 8 mol% Y2O3-doped ZrO2 powders were synthesized by a spray pyrolysis process and then compacted by uniaxial pressing, followed by cold isostatic pressing. Using appropriate thermal treatments, average grain sizes ranging from 25 to 242 nm and relative densities from 71% up to 98% were obtained. An electrochemical characterization was performed with comparison on ceramics of 3.2 and 7.6 μm and 98% of theoretical density starting from commercial YSZ powder.",

keywords = "Cubic, Electrochemical reduction, Electrolyte, Nanostructured zirconia, Redox stability, Solid oxide fuel cell",

author = "S. Boulfrad and E. Djurado and J. Fouletier",

year = "2009",

month = jun,

day = "25",

doi = "10.1016/j.ssi.2009.04.014",

language = "English (US)",

volume = "180",

pages = "978--983",

journal = "Solid State Ionics",

issn = "0167-2738",

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number = "14-16",

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TY - JOUR

T1 - Electrochemical characterization of nanostructured zirconias

AU - Boulfrad, S.

AU - Djurado, E.

AU - Fouletier, J.

PY - 2009/6/25

Y1 - 2009/6/25

N2 - Redox stability of cubic nanostructured zirconia ceramics, free of any secondary phases, has been investigated experimentally as a function of grain size. Pure 8 mol% Y2O3-doped ZrO2 powders were synthesized by a spray pyrolysis process and then compacted by uniaxial pressing, followed by cold isostatic pressing. Using appropriate thermal treatments, average grain sizes ranging from 25 to 242 nm and relative densities from 71% up to 98% were obtained. An electrochemical characterization was performed with comparison on ceramics of 3.2 and 7.6 μm and 98% of theoretical density starting from commercial YSZ powder.

AB - Redox stability of cubic nanostructured zirconia ceramics, free of any secondary phases, has been investigated experimentally as a function of grain size. Pure 8 mol% Y2O3-doped ZrO2 powders were synthesized by a spray pyrolysis process and then compacted by uniaxial pressing, followed by cold isostatic pressing. Using appropriate thermal treatments, average grain sizes ranging from 25 to 242 nm and relative densities from 71% up to 98% were obtained. An electrochemical characterization was performed with comparison on ceramics of 3.2 and 7.6 μm and 98% of theoretical density starting from commercial YSZ powder.

KW - Cubic

KW - Electrochemical reduction

KW - Electrolyte

KW - Nanostructured zirconia

KW - Redox stability

KW - Solid oxide fuel cell

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U2 - 10.1016/j.ssi.2009.04.014

DO - 10.1016/j.ssi.2009.04.014

M3 - Article

AN - SCOPUS:67349278772

SN - 0167-2738

VL - 180

SP - 978

EP - 983

JO - Solid State Ionics

JF - Solid State Ionics

IS - 14-16

ER -

Electrochemical characterization of nanostructured zirconias

Abstract

Keywords

ASJC Scopus subject areas

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