CobaltMaghrebV1, PascalFrancis, Curation, bibRecord, 000176

Preparation and electrochemical characterization of spinel type Fe-Co3O4 thin film electrodes in alkaline medium

Identifieur interne : 000176 ( PascalFrancis/Curation ); précédent : 000175; suivant : 000177

Preparation and electrochemical characterization of spinel type Fe-Co3O4 thin film electrodes in alkaline medium

Auteurs : E. Laouini [Maroc] ; M. Hamdani [Maroc] ; M. I. S. Pereira [Portugal] ; J. Douch [Maroc] ; M. H. Mendonca [Portugal] ; Y. Berghoute [Maroc] ; R. N. Singh [Inde]

Source :

International journal of hydrogen energy [ 0360-3199 ] ; 2008.

RBID : Pascal:09-0038187

Descripteurs français

Pascal (Inist)
- Préparation, Caractéristique électrochimique, Spinelle, Fer, Acier inoxydable, Décomposition thermique, Voltammétrie cyclique, Impédance, Oxyde de cobalt, Couche mince, Oxyde de fer, Electrocatalyse.
Wicri :
- topic : Fer.

English descriptors

KwdEn :
- Cobalt oxide, Cyclic voltammetry, Electrocatalysis, Electrochemical characteristic, Impedance, Iron, Iron oxide, Preparation, Spinel, Stainless steel, Thermal decomposition, Thin film.

Abstract

Spinel type Fe-CO₃O₄ (0, 5 and 10% of Fe) adherent and stable films have been prepared on stainless steel supports using the thermal decomposition method at 400 °C. All the oxides prepared by this method produced the pure spinel phase. The electrochemical characterization of the catalytic films towards O₂-evolution has been made using cyclic voltammetry and ac impedance techniques. The data show that the partial replacement of Co-ion by Fe-ion in the cobalt cobaltite CO₃O₄ leads to electrodes with lower surface areas. On the other hand, an enhancement of the electrocatalytic activity, towards the oxygen evolution, is confirmed by the values calculated for the corrected Tafel slopes. Values ranging from 71 to 44 mV were obtained for the pure and iron containing oxides. The reaction order with respect to OH concentration was found to be ∼ 1 on pure and ∼ 2 on the substituted oxides.

A01	`01`	`1`		`@0 0360-3199`
A02	`01`			`@0 IJHEDX`
A03		`1`		`@0 Int. j. hydrogen energy`
A05				`@2 33`
A06				`@2 19`
A08	`01`	`1`	`ENG`	`@1 Preparation and electrochemical characterization of spinel type Fe-Co₃O₄ thin film electrodes in alkaline medium`
A11	`01`	`1`		`@1 LAOUINI (E.)`
A11	`02`	`1`		`@1 HAMDANI (M.)`
A11	`03`	`1`		`@1 PEREIRA (M. I. S.)`
A11	`04`	`1`		`@1 DOUCH (J.)`
A11	`05`	`1`		`@1 MENDONCA (M. H.)`
A11	`06`	`1`		`@1 BERGHOUTE (Y.)`
A11	`07`	`1`		`@1 SINGH (R. N.)`
A14	`01`			`@1 Laboratoire de Chimie Physique, Faculté des Sciences, Uniuersité Ibn Zohr, B.P. 8106/S Cité Dakhla @2 Agadir @3 MAR @Z 1 aut. @Z 2 aut. @Z 4 aut. @Z 6 aut.`
A14	`02`			`@1 Departamento de Quimica e Bioquímica, Centro Ciências Moleculares e Materiais, Faculdade de Ciências da Uniuersidade de Lisboa, Campo Grande @2 1749-016, Lisboa @3 PRT @Z 3 aut. @Z 5 aut.`
A14	`03`			`@1 Department of Chemistry, Faculty of Science, Banaras Hindu University @2 Varanasi 221 005 @3 IND @Z 7 aut.`
A20				`@1 4936-4944`
A21				`@1 2008`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 17522 @5 354000184237570020`
A44				`@0 0000 @1 © 2009 INIST-CNRS. All rights reserved.`
A45				`@0 41 ref.`
A47	`01`	`1`		`@0 09-0038187`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 International journal of hydrogen energy`
A66	`01`			`@0 GBR`
C01	`01`		`ENG`	@0 Spinel type Fe-CO₃O₄ (0, 5 and 10% of Fe) adherent and stable films have been prepared on stainless steel supports using the thermal decomposition method at 400 °C. All the oxides prepared by this method produced the pure spinel phase. The electrochemical characterization of the catalytic films towards O₂-evolution has been made using cyclic voltammetry and ac impedance techniques. The data show that the partial replacement of Co-ion by Fe-ion in the cobalt cobaltite CO₃O₄ leads to electrodes with lower surface areas. On the other hand, an enhancement of the electrocatalytic activity, towards the oxygen evolution, is confirmed by the values calculated for the corrected Tafel slopes. Values ranging from 71 to 44 mV were obtained for the pure and iron containing oxides. The reaction order with respect to OH concentration was found to be ∼ 1 on pure and ∼ 2 on the substituted oxides.
C02	`01`	`X`		`@0 001D06B06B`
C02	`02`	`X`		`@0 230`
C03	`01`	`X`	`FRE`	`@0 Préparation @5 05`
C03	`01`	`X`	`ENG`	`@0 Preparation @5 05`
C03	`01`	`X`	`SPA`	`@0 Preparación @5 05`
C03	`02`	`X`	`FRE`	`@0 Caractéristique électrochimique @5 06`
C03	`02`	`X`	`ENG`	`@0 Electrochemical characteristic @5 06`
C03	`02`	`X`	`SPA`	`@0 Característica electroquímica @5 06`
C03	`03`	`X`	`FRE`	`@0 Spinelle @5 07`
C03	`03`	`X`	`ENG`	`@0 Spinel @5 07`
C03	`03`	`X`	`SPA`	`@0 Espinela @5 07`
C03	`04`	`X`	`FRE`	`@0 Fer @2 NC @5 08`
C03	`04`	`X`	`ENG`	`@0 Iron @2 NC @5 08`
C03	`04`	`X`	`SPA`	`@0 Hierro @2 NC @5 08`
C03	`05`	`X`	`FRE`	`@0 Acier inoxydable @5 09`
C03	`05`	`X`	`ENG`	`@0 Stainless steel @5 09`
C03	`05`	`X`	`SPA`	`@0 Acero inoxidable @5 09`
C03	`06`	`X`	`FRE`	`@0 Décomposition thermique @5 10`
C03	`06`	`X`	`ENG`	`@0 Thermal decomposition @5 10`
C03	`06`	`X`	`SPA`	`@0 Descomposición térmica @5 10`
C03	`07`	`X`	`FRE`	`@0 Voltammétrie cyclique @5 11`
C03	`07`	`X`	`ENG`	`@0 Cyclic voltammetry @5 11`
C03	`07`	`X`	`SPA`	`@0 Voltametría cíclica @5 11`
C03	`08`	`X`	`FRE`	`@0 Impédance @5 12`
C03	`08`	`X`	`ENG`	`@0 Impedance @5 12`
C03	`08`	`X`	`SPA`	`@0 Impedancia @5 12`
C03	`09`	`X`	`FRE`	`@0 Oxyde de cobalt @5 13`
C03	`09`	`X`	`ENG`	`@0 Cobalt oxide @5 13`
C03	`09`	`X`	`SPA`	`@0 Cobalto óxido @5 13`
C03	`10`	`X`	`FRE`	`@0 Couche mince @5 14`
C03	`10`	`X`	`ENG`	`@0 Thin film @5 14`
C03	`10`	`X`	`SPA`	`@0 Capa fina @5 14`
C03	`11`	`X`	`FRE`	`@0 Oxyde de fer @5 15`
C03	`11`	`X`	`ENG`	`@0 Iron oxide @5 15`
C03	`11`	`X`	`SPA`	`@0 Hierro óxido @5 15`
C03	`12`	`X`	`FRE`	`@0 Electrocatalyse @5 16`
C03	`12`	`X`	`ENG`	`@0 Electrocatalysis @5 16`
C03	`12`	`X`	`SPA`	`@0 Electrocatálisis @5 16`
N21				`@1 026`

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Pascal:09-0038187

Le document en format XML

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O<sub>4</sub>
 thin film electrodes in alkaline medium</title>
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<author><name sortKey="Singh, R N" sort="Singh, R N" uniqKey="Singh R" first="R. N." last="Singh">R. N. Singh</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Preparation and electrochemical characterization of spinel type Fe-Co<sub>3</sub>
O<sub>4</sub>
 thin film electrodes in alkaline medium</title>
<author><name sortKey="Laouini, E" sort="Laouini, E" uniqKey="Laouini E" first="E." last="Laouini">E. Laouini</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Physique, Faculté des Sciences, Uniuersité Ibn Zohr, B.P. 8106/S Cité Dakhla</s1>
<s2>Agadir</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
</affiliation>
</author>
<author><name sortKey="Hamdani, M" sort="Hamdani, M" uniqKey="Hamdani M" first="M." last="Hamdani">M. Hamdani</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Physique, Faculté des Sciences, Uniuersité Ibn Zohr, B.P. 8106/S Cité Dakhla</s1>
<s2>Agadir</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
</affiliation>
</author>
<author><name sortKey="Pereira, M I S" sort="Pereira, M I S" uniqKey="Pereira M" first="M. I. S." last="Pereira">M. I. S. Pereira</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Departamento de Quimica e Bioquímica, Centro Ciências Moleculares e Materiais, Faculdade de Ciências da Uniuersidade de Lisboa, Campo Grande</s1>
<s2>1749-016, Lisboa</s2>
<s3>PRT</s3>
<sZ>3 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Portugal</country>
</affiliation>
</author>
<author><name sortKey="Douch, J" sort="Douch, J" uniqKey="Douch J" first="J." last="Douch">J. Douch</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Physique, Faculté des Sciences, Uniuersité Ibn Zohr, B.P. 8106/S Cité Dakhla</s1>
<s2>Agadir</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
</affiliation>
</author>
<author><name sortKey="Mendonca, M H" sort="Mendonca, M H" uniqKey="Mendonca M" first="M. H." last="Mendonca">M. H. Mendonca</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Departamento de Quimica e Bioquímica, Centro Ciências Moleculares e Materiais, Faculdade de Ciências da Uniuersidade de Lisboa, Campo Grande</s1>
<s2>1749-016, Lisboa</s2>
<s3>PRT</s3>
<sZ>3 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Portugal</country>
</affiliation>
</author>
<author><name sortKey="Berghoute, Y" sort="Berghoute, Y" uniqKey="Berghoute Y" first="Y." last="Berghoute">Y. Berghoute</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Physique, Faculté des Sciences, Uniuersité Ibn Zohr, B.P. 8106/S Cité Dakhla</s1>
<s2>Agadir</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
</affiliation>
</author>
<author><name sortKey="Singh, R N" sort="Singh, R N" uniqKey="Singh R" first="R. N." last="Singh">R. N. Singh</name>
<affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Chemistry, Faculty of Science, Banaras Hindu University</s1>
<s2>Varanasi 221 005</s2>
<s3>IND</s3>
<sZ>7 aut.</sZ>
</inist:fA14>
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</author>
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<series><title level="j" type="main">International journal of hydrogen energy</title>
<title level="j" type="abbreviated">Int. j. hydrogen energy</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt oxide</term>
<term>Cyclic voltammetry</term>
<term>Electrocatalysis</term>
<term>Electrochemical characteristic</term>
<term>Impedance</term>
<term>Iron</term>
<term>Iron oxide</term>
<term>Preparation</term>
<term>Spinel</term>
<term>Stainless steel</term>
<term>Thermal decomposition</term>
<term>Thin film</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Préparation</term>
<term>Caractéristique électrochimique</term>
<term>Spinelle</term>
<term>Fer</term>
<term>Acier inoxydable</term>
<term>Décomposition thermique</term>
<term>Voltammétrie cyclique</term>
<term>Impédance</term>
<term>Oxyde de cobalt</term>
<term>Couche mince</term>
<term>Oxyde de fer</term>
<term>Electrocatalyse</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Fer</term>
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<front><div type="abstract" xml:lang="en">Spinel type Fe-CO<sub>3</sub>
O<sub>4</sub>
 (0, 5 and 10% of Fe) adherent and stable films have been prepared on stainless steel supports using the thermal decomposition method at 400 °C. All the oxides prepared by this method produced the pure spinel phase. The electrochemical characterization of the catalytic films towards O<sub>2</sub>
-evolution has been made using cyclic voltammetry and ac impedance techniques. The data show that the partial replacement of Co-ion by Fe-ion in the cobalt cobaltite CO<sub>3</sub>
O<sub>4</sub>
 leads to electrodes with lower surface areas. On the other hand, an enhancement of the electrocatalytic activity, towards the oxygen evolution, is confirmed by the values calculated for the corrected Tafel slopes. Values ranging from 71 to 44 mV were obtained for the pure and iron containing oxides. The reaction order with respect to OH concentration was found to be ∼ 1 on pure and ∼ 2 on the substituted oxides.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0360-3199</s0>
</fA01>
<fA02 i1="01"><s0>IJHEDX</s0>
</fA02>
<fA03 i2="1"><s0>Int. j. hydrogen energy</s0>
</fA03>
<fA05><s2>33</s2>
</fA05>
<fA06><s2>19</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Preparation and electrochemical characterization of spinel type Fe-Co<sub>3</sub>
O<sub>4</sub>
 thin film electrodes in alkaline medium</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>LAOUINI (E.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>HAMDANI (M.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>PEREIRA (M. I. S.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>DOUCH (J.)</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>MENDONCA (M. H.)</s1>
</fA11>
<fA11 i1="06" i2="1"><s1>BERGHOUTE (Y.)</s1>
</fA11>
<fA11 i1="07" i2="1"><s1>SINGH (R. N.)</s1>
</fA11>
<fA14 i1="01"><s1>Laboratoire de Chimie Physique, Faculté des Sciences, Uniuersité Ibn Zohr, B.P. 8106/S Cité Dakhla</s1>
<s2>Agadir</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Departamento de Quimica e Bioquímica, Centro Ciências Moleculares e Materiais, Faculdade de Ciências da Uniuersidade de Lisboa, Campo Grande</s1>
<s2>1749-016, Lisboa</s2>
<s3>PRT</s3>
<sZ>3 aut.</sZ>
<sZ>5 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Department of Chemistry, Faculty of Science, Banaras Hindu University</s1>
<s2>Varanasi 221 005</s2>
<s3>IND</s3>
<sZ>7 aut.</sZ>
</fA14>
<fA20><s1>4936-4944</s1>
</fA20>
<fA21><s1>2008</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
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<s5>354000184237570020</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2009 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>41 ref.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>09-0038187</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>International journal of hydrogen energy</s0>
</fA64>
<fA66 i1="01"><s0>GBR</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Spinel type Fe-CO<sub>3</sub>
O<sub>4</sub>
 (0, 5 and 10% of Fe) adherent and stable films have been prepared on stainless steel supports using the thermal decomposition method at 400 °C. All the oxides prepared by this method produced the pure spinel phase. The electrochemical characterization of the catalytic films towards O<sub>2</sub>
-evolution has been made using cyclic voltammetry and ac impedance techniques. The data show that the partial replacement of Co-ion by Fe-ion in the cobalt cobaltite CO<sub>3</sub>
O<sub>4</sub>
 leads to electrodes with lower surface areas. On the other hand, an enhancement of the electrocatalytic activity, towards the oxygen evolution, is confirmed by the values calculated for the corrected Tafel slopes. Values ranging from 71 to 44 mV were obtained for the pure and iron containing oxides. The reaction order with respect to OH concentration was found to be ∼ 1 on pure and ∼ 2 on the substituted oxides.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>001D06B06B</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>230</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Préparation</s0>
<s5>05</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Preparation</s0>
<s5>05</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Preparación</s0>
<s5>05</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Caractéristique électrochimique</s0>
<s5>06</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Electrochemical characteristic</s0>
<s5>06</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Característica electroquímica</s0>
<s5>06</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Spinelle</s0>
<s5>07</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Spinel</s0>
<s5>07</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Espinela</s0>
<s5>07</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Fer</s0>
<s2>NC</s2>
<s5>08</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Iron</s0>
<s2>NC</s2>
<s5>08</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Hierro</s0>
<s2>NC</s2>
<s5>08</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Acier inoxydable</s0>
<s5>09</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Stainless steel</s0>
<s5>09</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Acero inoxidable</s0>
<s5>09</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Décomposition thermique</s0>
<s5>10</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Thermal decomposition</s0>
<s5>10</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Descomposición térmica</s0>
<s5>10</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Voltammétrie cyclique</s0>
<s5>11</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Cyclic voltammetry</s0>
<s5>11</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Voltametría cíclica</s0>
<s5>11</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Impédance</s0>
<s5>12</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Impedance</s0>
<s5>12</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Impedancia</s0>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Oxyde de cobalt</s0>
<s5>13</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Cobalt oxide</s0>
<s5>13</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Cobalto óxido</s0>
<s5>13</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Couche mince</s0>
<s5>14</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Thin film</s0>
<s5>14</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Capa fina</s0>
<s5>14</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Oxyde de fer</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Iron oxide</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Hierro óxido</s0>
<s5>15</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Electrocatalyse</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Electrocatalysis</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Electrocatálisis</s0>
<s5>16</s5>
</fC03>
<fN21><s1>026</s1>
</fN21>
</pA>
</standard>
</inist>
</record>

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	Serveur d'exploration sur le cobalt au Maghreb
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Preparation and electrochemical characterization of spinel type Fe-Co3O4 thin film electrodes in alkaline medium

Preparation and electrochemical characterization of spinel type Fe-Co3O4 thin film electrodes in alkaline medium

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