Electrocatalytic activity and stability of La1-xCaxCoO3 perovskite-type oxides in alkaline medium
Identifieur interne : 000208 ( PascalFrancis/Checkpoint ); précédent : 000207; suivant : 000209Electrocatalytic activity and stability of La1-xCaxCoO3 perovskite-type oxides in alkaline medium
Auteurs : Abdelkrim Kahoul [Algérie] ; Abderrezak Hammouche [Allemagne] ; Gérard Poillerat [France] ; Rik W. De Doncker [Allemagne]Source :
- Catalysis today [ 0920-5861 ] ; 2004.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Oxyde.
English descriptors
- KwdEn :
Abstract
Electrocatalytic activity versus oxygen evolution of perovskite-type cobalt oxide (La1-xCaxCoO3, with x = 0.0, 0.2, 0.4 and 0.6) was evaluated by potentiostatic polarization technique, as a function of the electrode chemical composition. Stability of the electrode material in alkaline medium under stressing galvanostatic conditions was investigated. Highly sensitive differential pulse adsorptive stripping voltammetry (DPAdSV) technique was successfully applied for determination of traces of dissolved cobalt in the electrolyte solution. The results point out the optimum electrode activity and stability of the x = 0.4 composition.
Affiliations:
- Algérie, Allemagne, France
- Alsace (région administrative), District de Cologne, Grand Est, Rhénanie-du-Nord-Westphalie
- Aix-la-Chapelle, Strasbourg
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De Doncker</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Institute for Power Electronics and Electrical Drives, Aachen University of Technology, Jägerstr. 17-19</s1><s2>52066 Aachen</s2><s3>DEU</s3><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Allemagne</country><placeName><region type="land" nuts="1">Rhénanie-du-Nord-Westphalie</region><region type="district" nuts="2">District de Cologne</region><settlement type="city">Aix-la-Chapelle</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Catalysis today</title><title level="j" type="abbreviated">Catal. today</title><idno type="ISSN">0920-5861</idno><imprint><date when="2004">2004</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Catalysis today</title><title level="j" type="abbreviated">Catal. today</title><idno type="ISSN">0920-5861</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt oxide</term><term>Oxides</term><term>Perovskite</term><term>Stability</term><term>Voltammetry</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Stabilité</term><term>Perovskite</term><term>Oxyde</term><term>Cobalt oxyde</term><term>Voltammétrie</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Oxyde</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Electrocatalytic activity versus oxygen evolution of perovskite-type cobalt oxide (La<sub>1-x</sub>Ca<sub>x</sub>CoO<sub>3</sub>, with x = 0.0, 0.2, 0.4 and 0.6) was evaluated by potentiostatic polarization technique, as a function of the electrode chemical composition. Stability of the electrode material in alkaline medium under stressing galvanostatic conditions was investigated. Highly sensitive differential pulse adsorptive stripping voltammetry (DPAdSV) technique was successfully applied for determination of traces of dissolved cobalt in the electrolyte solution. The results point out the optimum electrode activity and stability of the x = 0.4 composition.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0920-5861</s0></fA01><fA02 i1="01"><s0>CATTEA</s0></fA02><fA03 i2="1"><s0>Catal. today</s0></fA03><fA05><s2>89</s2></fA05><fA06><s2>3</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Electrocatalytic activity and stability of La<sub>1-x</sub>Ca<sub>x</sub>CoO<sub>3</sub> perovskite-type oxides in alkaline medium</s1></fA08><fA09 i1="01" i2="1" l="ENG"><s1>Emerging Materials</s1></fA09><fA11 i1="01" i2="1"><s1>KAHOUL (Abdelkrim)</s1></fA11><fA11 i1="02" i2="1"><s1>HAMMOUCHE (Abderrezak)</s1></fA11><fA11 i1="03" i2="1"><s1>POILLERAT (Gérard)</s1></fA11><fA11 i1="04" i2="1"><s1>DE DONCKER (Rik W.)</s1></fA11><fA12 i1="01" i2="1"><s1>GARIN (François)</s1><s9>ed.</s9></fA12><fA12 i1="02" i2="1"><s1>PARLEBAS (Jean-Claude)</s1><s9>ed.</s9></fA12><fA12 i1="03" i2="1"><s1>MINOT (Christian)</s1><s9>ed.</s9></fA12><fA12 i1="04" i2="1"><s1>GUEMMAZ (Mohamed)</s1><s9>ed.</s9></fA12><fA14 i1="01"><s1>Laboratory for Energetics and Electrochemistry of Solids, Department of Processes Engineering E Abbas University of Setif</s1><s2>19000 Setif</s2><s3>DZA</s3><sZ>1 aut.</sZ></fA14><fA14 i1="02"><s1>Institute for Power Electronics and Electrical Drives, Aachen University of Technology, Jägerstr. 17-19</s1><s2>52066 Aachen</s2><s3>DEU</s3><sZ>2 aut.</sZ><sZ>4 aut.</sZ></fA14><fA14 i1="03"><s1>Laboratoire d'Electrochimie et Chimie Physique du Corps Solide, UMR CNRS/ULP 7512, 4 Rue Blaise Pascal</s1><s2>67000 Strasbourg</s2><s3>FRA</s3><sZ>3 aut.</sZ></fA14><fA15 i1="01"><s1>Laboratoire des Matériaux, Surfaces et Procédés pour la Catalyse (LMSPC), UMR 7515-CNRS-ECPM-ULP, 25 rue Becquerel</s1><s2>67087 Strasbourg</s2><s3>FRA</s3><sZ>1 aut.</sZ></fA15><fA15 i1="02"><s1>Institut de physique et Chimie des Matériaux (IPCMS), Université Louis Pasteur, UMR 7504 du CNRS, 23 rue du Loess, BP 43</s1><s2>67034 Strasbourg</s2><s3>FRA</s3><sZ>2 aut.</sZ></fA15><fA15 i1="03"><s1>Laboratoire de Chimie Théorique, Boîte 137, UPMC</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>3 aut.</sZ></fA15><fA15 i1="04"><s1>Faculté des Sciences, Université Ferhat Abbas</s1><s2>19000 Sétif</s2><s3>DZA</s3><sZ>4 aut.</sZ></fA15><fA18 i1="01" i2="1"><s1>Ferhat Abbas University of Setif</s1><s2>19000 Setif</s2><s3>DZA</s3><s9>patr.</s9></fA18><fA20><s1>287-291</s1></fA20><fA21><s1>2004</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>21357</s2><s5>354000116771020040</s5></fA43><fA44><s0>0000</s0><s1>© 2004 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>20 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>04-0235916</s0></fA47><fA60><s1>P</s1><s2>C</s2></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Catalysis today</s0></fA64><fA66 i1="01"><s0>NLD</s0></fA66><fC01 i1="01" l="ENG"><s0>Electrocatalytic activity versus oxygen evolution of perovskite-type cobalt oxide (La<sub>1-x</sub>Ca<sub>x</sub>CoO<sub>3</sub>, with x = 0.0, 0.2, 0.4 and 0.6) was evaluated by potentiostatic polarization technique, as a function of the electrode chemical composition. Stability of the electrode material in alkaline medium under stressing galvanostatic conditions was investigated. Highly sensitive differential pulse adsorptive stripping voltammetry (DPAdSV) technique was successfully applied for determination of traces of dissolved cobalt in the electrolyte solution. The results point out the optimum electrode activity and stability of the x = 0.4 composition.</s0></fC01><fC02 i1="01" i2="X"><s0>001C01A03</s0></fC02><fC03 i1="01" i2="X" l="FRE"><s0>Stabilité</s0><s5>01</s5></fC03><fC03 i1="01" i2="X" l="ENG"><s0>Stability</s0><s5>01</s5></fC03><fC03 i1="01" i2="X" l="SPA"><s0>Estabilidad</s0><s5>01</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Perovskite</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Perovskite</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Perovskita</s0><s5>02</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Oxyde</s0><s2>NA</s2><s5>03</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Oxides</s0><s2>NA</s2><s5>03</s5></fC03><fC03 i1="03" i2="X" l="SPA"><s0>Óxido</s0><s2>NA</s2><s5>03</s5></fC03><fC03 i1="04" i2="X" l="FRE"><s0>Cobalt oxyde</s0><s5>04</s5></fC03><fC03 i1="04" i2="X" l="ENG"><s0>Cobalt oxide</s0><s5>04</s5></fC03><fC03 i1="04" i2="X" l="SPA"><s0>Cobalto óxido</s0><s5>04</s5></fC03><fC03 i1="05" i2="X" l="FRE"><s0>Voltammétrie</s0><s5>05</s5></fC03><fC03 i1="05" i2="X" l="ENG"><s0>Voltammetry</s0><s5>05</s5></fC03><fC03 i1="05" i2="X" l="SPA"><s0>Voltametría</s0><s5>05</s5></fC03><fN21><s1>152</s1></fN21><fN82><s1>OTO</s1></fN82></pA><pR><fA30 i1="01" i2="1" l="ENG"><s1>French-Algerian Scientific Congress</s1><s2>1</s2><s3>Tamanrasset DZA</s3><s4>2003-02-22</s4></fA30></pR></standard></inist><affiliations><list><country><li>Algérie</li><li>Allemagne</li><li>France</li></country><region><li>Alsace (région administrative)</li><li>District de Cologne</li><li>Grand Est</li><li>Rhénanie-du-Nord-Westphalie</li></region><settlement><li>Aix-la-Chapelle</li><li>Strasbourg</li></settlement></list><tree><country name="Algérie"><noRegion><name sortKey="Kahoul, Abdelkrim" sort="Kahoul, Abdelkrim" uniqKey="Kahoul A" first="Abdelkrim" last="Kahoul">Abdelkrim Kahoul</name></noRegion></country><country name="Allemagne"><region name="Rhénanie-du-Nord-Westphalie"><name sortKey="Hammouche, Abderrezak" sort="Hammouche, Abderrezak" uniqKey="Hammouche A" first="Abderrezak" last="Hammouche">Abderrezak Hammouche</name></region><name sortKey="De Doncker, Rik W" sort="De Doncker, Rik W" uniqKey="De Doncker R" first="Rik W." last="De Doncker">Rik W. De Doncker</name></country><country name="France"><region name="Grand Est"><name sortKey="Poillerat, Gerard" sort="Poillerat, Gerard" uniqKey="Poillerat G" first="Gérard" last="Poillerat">Gérard Poillerat</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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