CobaltMaghrebV1, PascalFrancis, Corpus, bibRecord, 000093

Preparation of Co-Sn alloys by electroreduction of Co(II) and Sn(II) in molten LiCl-KCl

Identifieur interne : 000093 ( PascalFrancis/Corpus ); précédent : 000092; suivant : 000094

Preparation of Co-Sn alloys by electroreduction of Co(II) and Sn(II) in molten LiCl-KCl

Auteurs : H. Groult ; H. El Ghallali ; A. Barhoun ; E. Briot ; L. Perrigaud ; S. Hernandorena ; F. Lantelme

Source :

Electrochimica acta [ 0013-4686 ] ; 2010.

RBID : Pascal:10-0269538

Descripteurs français

Pascal (Inist)
- Potassium Chlorure, Lithium Chlorure, Réduction chimique, Cobalt alliage, Etain alliage, Sel fondu, Electrolyte fondu, Alliage binaire, Dépôt électrolytique, Cobalt II Composé, Etain II Composé, Effet température, Electrode, Carbone, Etat vitreux, Molybdène, Microscopie électronique balayage, Diffraction RX, Réaction électrochimique, Condition opératoire, Structure surface, Morphologie.

English descriptors

KwdEn :
- Binary alloy, Carbon, Chemical reduction, Cobalt II Compounds, Cobalt alloy, Electrochemical reaction, Electrodeposition, Electrodes, Glassy state, Lithium Chlorides, Molten electrolyte, Molten salt, Molybdenum, Morphology, Operating conditions, Potassium Chlorides, Scanning electron microscopy, Surface structure, Temperature effect, Tin II Compounds, Tin alloy, X ray diffraction.

Abstract

Co-Sn alloys were prepared by an electrochemical route in molten LiCl-KCl between 400 and 550 °C. The Sn(IV)/Sn(II), Sn(II)/Sn(0) and Co(II)/Co(0) redox couples were studied by cyclic voltammetry and/or chronopotentiometry over the temperature range. The diffusion coefficient values of Co(II) ions were measured. For example, it was found that the D_Co(II) values deduced from chronopotentiometry range from D_Co(II) = 1.65 x 10^-5 cm² s^-1 at 400°C to 4.95 × 10^-5cm² s^-1 at 550°C. The standard potential of the Co(II)/Co(0) redox couple in molten LiCl-KCl was measured at 400°C: E⁰_Co(II)/Co(0) = -1.35 V vs Cl₂/Cl^-. Finally, Co-Sn alloys were prepared in potentiostatic mode. The influence of the temperature of molten LiCl-KCl, the applied potential and the deposition time on the morphology and the composition of the Co-Sn alloys were also investigated. For T > 450°C, the following tendency has been observed: the more negative the potential, the higher the Sn content in the deposited alloy. Thus, depending on the operating conditions, pure CoSn or CoSn₂ can be prepared.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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Format Inist (serveur)

NO :	PASCAL 10-0269538 INIST
ET :	Preparation of Co-Sn alloys by electroreduction of Co(II) and Sn(II) in molten LiCl-KCl
AU :	GROULT (H.); EL GHALLALI (H.); BARHOUN (A.); BRIOT (E.); PERRIGAUD (L.); HERNANDORENA (S.); LANTELME (F.)
AF :	UPMC Univ Paris 06, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques/75005 Paris/France (1 aut., 2 aut., 4 aut., 5 aut., 6 aut., 7 aut.); CNRS, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques/75005 Paris/France (1 aut., 4 aut., 5 aut., 6 aut., 7 aut.); Université Abdelmalek Essaâdi, Faculté des Sciences, LPCIE/93000 Tétouan/Maroc (2 aut., 3 aut.)
DT :	Publication en série; Niveau analytique
SO :	Electrochimica acta; ISSN 0013-4686; Coden ELCAAV; Royaume-Uni; Da. 2010; Vol. 55; No. 6; Pp. 1926-1932; Bibl. 49 ref.
LA :	Anglais
EA :	Co-Sn alloys were prepared by an electrochemical route in molten LiCl-KCl between 400 and 550 °C. The Sn(IV)/Sn(II), Sn(II)/Sn(0) and Co(II)/Co(0) redox couples were studied by cyclic voltammetry and/or chronopotentiometry over the temperature range. The diffusion coefficient values of Co(II) ions were measured. For example, it was found that the D_Co(II) values deduced from chronopotentiometry range from D_Co(II) = 1.65 x 10^-5 cm² s^-1 at 400°C to 4.95 × 10^-5cm² s^-1 at 550°C. The standard potential of the Co(II)/Co(0) redox couple in molten LiCl-KCl was measured at 400°C: E⁰_Co(II)/Co(0) = -1.35 V vs Cl₂/Cl^-. Finally, Co-Sn alloys were prepared in potentiostatic mode. The influence of the temperature of molten LiCl-KCl, the applied potential and the deposition time on the morphology and the composition of the Co-Sn alloys were also investigated. For T > 450°C, the following tendency has been observed: the more negative the potential, the higher the Sn content in the deposited alloy. Thus, depending on the operating conditions, pure CoSn or CoSn₂ can be prepared.
CC :	001C01H04A; 001C01H06
FD :	Potassium Chlorure; Lithium Chlorure; Réduction chimique; Cobalt alliage; Etain alliage; Sel fondu; Electrolyte fondu; Alliage binaire; Dépôt électrolytique; Cobalt II Composé; Etain II Composé; Effet température; Electrode; Carbone; Etat vitreux; Molybdène; Microscopie électronique balayage; Diffraction RX; Réaction électrochimique; Condition opératoire; Structure surface; Morphologie
FG :	Métal transition
ED :	Potassium Chlorides; Lithium Chlorides; Chemical reduction; Cobalt alloy; Tin alloy; Molten salt; Molten electrolyte; Binary alloy; Electrodeposition; Cobalt II Compounds; Tin II Compounds; Temperature effect; Electrodes; Carbon; Glassy state; Molybdenum; Scanning electron microscopy; X ray diffraction; Electrochemical reaction; Operating conditions; Surface structure; Morphology
EG :	Transition metal
SD :	Potasio Cloruro; Litio Cloruro; Reducción química; Cobalto aleación; Estaño aleación; Sal fundida; Electrólito fundido; Aleación binaria; Depósito electrolítico; Cobalto II Compuesto; Estaño II Compuesto; Efecto temperatura; Electrodo; Carbono; Estado vitreo; Molibdeno; Microscopía electrónica barrido; Difracción RX; Reacción electroquímica; Condición operatoria; Estructura superficie; Morfología
LO :	INIST-1516.354000189635210100
ID :	10-0269538

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Preparation of Co-Sn alloys by electroreduction of Co(II) and Sn(II) in molten LiCl-KCl</title>
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</author>
<author><name sortKey="El Ghallali, H" sort="El Ghallali, H" uniqKey="El Ghallali H" first="H." last="El Ghallali">H. El Ghallali</name>
<affiliation><inist:fA14 i1="01"><s1>UPMC Univ Paris 06, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
</inist:fA14>
</affiliation>
<affiliation><inist:fA14 i1="03"><s1>Université Abdelmalek Essaâdi, Faculté des Sciences, LPCIE</s1>
<s2>93000 Tétouan</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Barhoun, A" sort="Barhoun, A" uniqKey="Barhoun A" first="A." last="Barhoun">A. Barhoun</name>
<affiliation><inist:fA14 i1="03"><s1>Université Abdelmalek Essaâdi, Faculté des Sciences, LPCIE</s1>
<s2>93000 Tétouan</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Briot, E" sort="Briot, E" uniqKey="Briot E" first="E." last="Briot">E. Briot</name>
<affiliation><inist:fA14 i1="01"><s1>UPMC Univ Paris 06, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
</inist:fA14>
</affiliation>
<affiliation><inist:fA14 i1="02"><s1>CNRS, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
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<author><name sortKey="Perrigaud, L" sort="Perrigaud, L" uniqKey="Perrigaud L" first="L." last="Perrigaud">L. Perrigaud</name>
<affiliation><inist:fA14 i1="01"><s1>UPMC Univ Paris 06, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
</inist:fA14>
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<affiliation><inist:fA14 i1="02"><s1>CNRS, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
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</affiliation>
</author>
<author><name sortKey="Hernandorena, S" sort="Hernandorena, S" uniqKey="Hernandorena S" first="S." last="Hernandorena">S. Hernandorena</name>
<affiliation><inist:fA14 i1="01"><s1>UPMC Univ Paris 06, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
</inist:fA14>
</affiliation>
<affiliation><inist:fA14 i1="02"><s1>CNRS, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
</inist:fA14>
</affiliation>
</author>
<author><name sortKey="Lantelme, F" sort="Lantelme, F" uniqKey="Lantelme F" first="F." last="Lantelme">F. Lantelme</name>
<affiliation><inist:fA14 i1="01"><s1>UPMC Univ Paris 06, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
</inist:fA14>
</affiliation>
<affiliation><inist:fA14 i1="02"><s1>CNRS, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
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</author>
</analytic>
<series><title level="j" type="main">Electrochimica acta</title>
<title level="j" type="abbreviated">Electrochim. acta</title>
<idno type="ISSN">0013-4686</idno>
<imprint><date when="2010">2010</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt><title level="j" type="main">Electrochimica acta</title>
<title level="j" type="abbreviated">Electrochim. acta</title>
<idno type="ISSN">0013-4686</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Binary alloy</term>
<term>Carbon</term>
<term>Chemical reduction</term>
<term>Cobalt II Compounds</term>
<term>Cobalt alloy</term>
<term>Electrochemical reaction</term>
<term>Electrodeposition</term>
<term>Electrodes</term>
<term>Glassy state</term>
<term>Lithium Chlorides</term>
<term>Molten electrolyte</term>
<term>Molten salt</term>
<term>Molybdenum</term>
<term>Morphology</term>
<term>Operating conditions</term>
<term>Potassium Chlorides</term>
<term>Scanning electron microscopy</term>
<term>Surface structure</term>
<term>Temperature effect</term>
<term>Tin II Compounds</term>
<term>Tin alloy</term>
<term>X ray diffraction</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Potassium Chlorure</term>
<term>Lithium Chlorure</term>
<term>Réduction chimique</term>
<term>Cobalt alliage</term>
<term>Etain alliage</term>
<term>Sel fondu</term>
<term>Electrolyte fondu</term>
<term>Alliage binaire</term>
<term>Dépôt électrolytique</term>
<term>Cobalt II Composé</term>
<term>Etain II Composé</term>
<term>Effet température</term>
<term>Electrode</term>
<term>Carbone</term>
<term>Etat vitreux</term>
<term>Molybdène</term>
<term>Microscopie électronique balayage</term>
<term>Diffraction RX</term>
<term>Réaction électrochimique</term>
<term>Condition opératoire</term>
<term>Structure surface</term>
<term>Morphologie</term>
</keywords>
</textClass>
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<front><div type="abstract" xml:lang="en">Co-Sn alloys were prepared by an electrochemical route in molten LiCl-KCl between 400 and 550 °C. The Sn(IV)/Sn(II), Sn(II)/Sn(0) and Co(II)/Co(0) redox couples were studied by cyclic voltammetry and/or chronopotentiometry over the temperature range. The diffusion coefficient values of Co(II) ions were measured. For example, it was found that the D<sub>Co</sub>
(II) values deduced from chronopotentiometry range from D<sub>Co</sub>
(II) = 1.65 x 10<sup>-5</sup>
 cm<sup>2</sup>
 s<sup>-1</sup>
 at 400°C to 4.95 × 10<sup>-5 </sup>
cm<sup>2</sup>
 s<sup>-1</sup>
 at 550°C. The standard potential of the Co(II)/Co(0) redox couple in molten LiCl-KCl was measured at 400°C: E<sup>0</sup>
<sub>Co(II)/Co(0)</sub>
 = -1.35 V vs Cl<sub>2</sub>
/Cl<sup>-</sup>
. Finally, Co-Sn alloys were prepared in potentiostatic mode. The influence of the temperature of molten LiCl-KCl, the applied potential and the deposition time on the morphology and the composition of the Co-Sn alloys were also investigated. For T > 450°C, the following tendency has been observed: the more negative the potential, the higher the Sn content in the deposited alloy. Thus, depending on the operating conditions, pure CoSn or CoSn<sub>2</sub>
 can be prepared.</div>
</front>
</TEI>
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</fA02>
<fA03 i2="1"><s0>Electrochim. acta</s0>
</fA03>
<fA05><s2>55</s2>
</fA05>
<fA06><s2>6</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Preparation of Co-Sn alloys by electroreduction of Co(II) and Sn(II) in molten LiCl-KCl</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>GROULT (H.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>EL GHALLALI (H.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>BARHOUN (A.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>BRIOT (E.)</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>PERRIGAUD (L.)</s1>
</fA11>
<fA11 i1="06" i2="1"><s1>HERNANDORENA (S.)</s1>
</fA11>
<fA11 i1="07" i2="1"><s1>LANTELME (F.)</s1>
</fA11>
<fA14 i1="01"><s1>UPMC Univ Paris 06, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>CNRS, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques</s1>
<s2>75005 Paris</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Université Abdelmalek Essaâdi, Faculté des Sciences, LPCIE</s1>
<s2>93000 Tétouan</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</fA14>
<fA20><s1>1926-1932</s1>
</fA20>
<fA21><s1>2010</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>1516</s2>
<s5>354000189635210100</s5>
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<fA44><s0>0000</s0>
<s1>© 2010 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>49 ref.</s0>
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<fA47 i1="01" i2="1"><s0>10-0269538</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
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<fA64 i1="01" i2="1"><s0>Electrochimica acta</s0>
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<fA66 i1="01"><s0>GBR</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Co-Sn alloys were prepared by an electrochemical route in molten LiCl-KCl between 400 and 550 °C. The Sn(IV)/Sn(II), Sn(II)/Sn(0) and Co(II)/Co(0) redox couples were studied by cyclic voltammetry and/or chronopotentiometry over the temperature range. The diffusion coefficient values of Co(II) ions were measured. For example, it was found that the D<sub>Co</sub>
(II) values deduced from chronopotentiometry range from D<sub>Co</sub>
(II) = 1.65 x 10<sup>-5</sup>
 cm<sup>2</sup>
 s<sup>-1</sup>
 at 400°C to 4.95 × 10<sup>-5 </sup>
cm<sup>2</sup>
 s<sup>-1</sup>
 at 550°C. The standard potential of the Co(II)/Co(0) redox couple in molten LiCl-KCl was measured at 400°C: E<sup>0</sup>
<sub>Co(II)/Co(0)</sub>
 = -1.35 V vs Cl<sub>2</sub>
/Cl<sup>-</sup>
. Finally, Co-Sn alloys were prepared in potentiostatic mode. The influence of the temperature of molten LiCl-KCl, the applied potential and the deposition time on the morphology and the composition of the Co-Sn alloys were also investigated. For T > 450°C, the following tendency has been observed: the more negative the potential, the higher the Sn content in the deposited alloy. Thus, depending on the operating conditions, pure CoSn or CoSn<sub>2</sub>
 can be prepared.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>001C01H04A</s0>
</fC02>
<fC02 i1="02" i2="X"><s0>001C01H06</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Potassium Chlorure</s0>
<s1>SOL</s1>
<s2>NC</s2>
<s2>FR</s2>
<s2>NA</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Potassium Chlorides</s0>
<s1>SOL</s1>
<s2>NC</s2>
<s2>FR</s2>
<s2>NA</s2>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Potasio Cloruro</s0>
<s1>SOL</s1>
<s2>NC</s2>
<s2>FR</s2>
<s2>NA</s2>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Lithium Chlorure</s0>
<s1>SOL</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Lithium Chlorides</s0>
<s1>SOL</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Litio Cloruro</s0>
<s1>SOL</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Réduction chimique</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Chemical reduction</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Reducción química</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Cobalt alliage</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Cobalt alloy</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Cobalto aleación</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Etain alliage</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Tin alloy</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Estaño aleación</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Sel fondu</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Molten salt</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Sal fundida</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Electrolyte fondu</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Molten electrolyte</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Electrólito fundido</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Alliage binaire</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Binary alloy</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Aleación binaria</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Dépôt électrolytique</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Electrodeposition</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Depósito electrolítico</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Cobalt II Composé</s0>
<s1>ENT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Cobalt II Compounds</s0>
<s1>ENT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Cobalto II Compuesto</s0>
<s1>ENT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Etain II Composé</s0>
<s1>ENT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Tin II Compounds</s0>
<s1>ENT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Estaño II Compuesto</s0>
<s1>ENT</s1>
<s2>NC</s2>
<s2>NA</s2>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Effet température</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Temperature effect</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Efecto temperatura</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Electrode</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Electrodes</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Electrodo</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Carbone</s0>
<s2>NC</s2>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Carbon</s0>
<s2>NC</s2>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Carbono</s0>
<s2>NC</s2>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Etat vitreux</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Glassy state</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Estado vitreo</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Molybdène</s0>
<s2>NC</s2>
<s2>FX</s2>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG"><s0>Molybdenum</s0>
<s2>NC</s2>
<s2>FX</s2>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA"><s0>Molibdeno</s0>
<s2>NC</s2>
<s2>FX</s2>
<s5>16</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Microscopie électronique balayage</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="X" l="ENG"><s0>Scanning electron microscopy</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="X" l="SPA"><s0>Microscopía electrónica barrido</s0>
<s5>17</s5>
</fC03>
<fC03 i1="18" i2="X" l="FRE"><s0>Diffraction RX</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="X" l="ENG"><s0>X ray diffraction</s0>
<s5>18</s5>
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<s5>18</s5>
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<s5>32</s5>
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<s5>33</s5>
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<s5>33</s5>
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<s5>34</s5>
</fC03>
<fC03 i1="21" i2="X" l="ENG"><s0>Surface structure</s0>
<s5>34</s5>
</fC03>
<fC03 i1="21" i2="X" l="SPA"><s0>Estructura superficie</s0>
<s5>34</s5>
</fC03>
<fC03 i1="22" i2="X" l="FRE"><s0>Morphologie</s0>
<s5>35</s5>
</fC03>
<fC03 i1="22" i2="X" l="ENG"><s0>Morphology</s0>
<s5>35</s5>
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<fC03 i1="22" i2="X" l="SPA"><s0>Morfología</s0>
<s5>35</s5>
</fC03>
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<s2>NC</s2>
<s5>53</s5>
</fC07>
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<s2>NC</s2>
<s5>53</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Metal transición</s0>
<s2>NC</s2>
<s5>53</s5>
</fC07>
<fN21><s1>172</s1>
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<server><NO>PASCAL 10-0269538 INIST</NO>
<ET>Preparation of Co-Sn alloys by electroreduction of Co(II) and Sn(II) in molten LiCl-KCl</ET>
<AU>GROULT (H.); EL GHALLALI (H.); BARHOUN (A.); BRIOT (E.); PERRIGAUD (L.); HERNANDORENA (S.); LANTELME (F.)</AU>
<AF>UPMC Univ Paris 06, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques/75005 Paris/France (1 aut., 2 aut., 4 aut., 5 aut., 6 aut., 7 aut.); CNRS, UMR 7195 PECSA, Physicochimie des Electrolytes, Colloïdes, Sciences Analytiques/75005 Paris/France (1 aut., 4 aut., 5 aut., 6 aut., 7 aut.); Université Abdelmalek Essaâdi, Faculté des Sciences, LPCIE/93000 Tétouan/Maroc (2 aut., 3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Electrochimica acta; ISSN 0013-4686; Coden ELCAAV; Royaume-Uni; Da. 2010; Vol. 55; No. 6; Pp. 1926-1932; Bibl. 49 ref.</SO>
<LA>Anglais</LA>
<EA>Co-Sn alloys were prepared by an electrochemical route in molten LiCl-KCl between 400 and 550 °C. The Sn(IV)/Sn(II), Sn(II)/Sn(0) and Co(II)/Co(0) redox couples were studied by cyclic voltammetry and/or chronopotentiometry over the temperature range. The diffusion coefficient values of Co(II) ions were measured. For example, it was found that the D<sub>Co</sub>
(II) values deduced from chronopotentiometry range from D<sub>Co</sub>
(II) = 1.65 x 10<sup>-5</sup>
 cm<sup>2</sup>
 s<sup>-1</sup>
 at 400°C to 4.95 × 10<sup>-5 </sup>
cm<sup>2</sup>
 s<sup>-1</sup>
 at 550°C. The standard potential of the Co(II)/Co(0) redox couple in molten LiCl-KCl was measured at 400°C: E<sup>0</sup>
<sub>Co(II)/Co(0)</sub>
 = -1.35 V vs Cl<sub>2</sub>
/Cl<sup>-</sup>
. Finally, Co-Sn alloys were prepared in potentiostatic mode. The influence of the temperature of molten LiCl-KCl, the applied potential and the deposition time on the morphology and the composition of the Co-Sn alloys were also investigated. For T > 450°C, the following tendency has been observed: the more negative the potential, the higher the Sn content in the deposited alloy. Thus, depending on the operating conditions, pure CoSn or CoSn<sub>2</sub>
 can be prepared.</EA>
<CC>001C01H04A; 001C01H06</CC>
<FD>Potassium Chlorure; Lithium Chlorure; Réduction chimique; Cobalt alliage; Etain alliage; Sel fondu; Electrolyte fondu; Alliage binaire; Dépôt électrolytique; Cobalt II Composé; Etain II Composé; Effet température; Electrode; Carbone; Etat vitreux; Molybdène; Microscopie électronique balayage; Diffraction RX; Réaction électrochimique; Condition opératoire; Structure surface; Morphologie</FD>
<FG>Métal transition</FG>
<ED>Potassium Chlorides; Lithium Chlorides; Chemical reduction; Cobalt alloy; Tin alloy; Molten salt; Molten electrolyte; Binary alloy; Electrodeposition; Cobalt II Compounds; Tin II Compounds; Temperature effect; Electrodes; Carbon; Glassy state; Molybdenum; Scanning electron microscopy; X ray diffraction; Electrochemical reaction; Operating conditions; Surface structure; Morphology</ED>
<EG>Transition metal</EG>
<SD>Potasio Cloruro; Litio Cloruro; Reducción química; Cobalto aleación; Estaño aleación; Sal fundida; Electrólito fundido; Aleación binaria; Depósito electrolítico; Cobalto II Compuesto; Estaño II Compuesto; Efecto temperatura; Electrodo; Carbono; Estado vitreo; Molibdeno; Microscopía electrónica barrido; Difracción RX; Reacción electroquímica; Condición operatoria; Estructura superficie; Morfología</SD>
<LO>INIST-1516.354000189635210100</LO>
<ID>10-0269538</ID>
</server>
</inist>
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	Serveur d'exploration sur le cobalt au Maghreb
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Preparation of Co-Sn alloys by electroreduction of Co(II) and Sn(II) in molten LiCl-KCl

Preparation of Co-Sn alloys by electroreduction of Co(II) and Sn(II) in molten LiCl-KCl

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