Study of the structural, thermodynamic and electrochemical properties of LaNi3.55Mn0.4Al0.3 (Co1-xFex)0.75 (0 ≤ x ≤ 1) compounds used as negative electrode in Ni-MH batteries
Identifieur interne : 000170 ( France/Analysis ); précédent : 000169; suivant : 000171Study of the structural, thermodynamic and electrochemical properties of LaNi3.55Mn0.4Al0.3 (Co1-xFex)0.75 (0 ≤ x ≤ 1) compounds used as negative electrode in Ni-MH batteries
Auteurs : M. Ayari [Tunisie] ; V. Paul-Boncour [France] ; Jilani Lamloumi [Tunisie] ; H. Mathlouthi [Tunisie] ; A. Percheron-Guegan [France]Source :
- Journal of alloys and compounds [ 0925-8388 ] ; 2006.
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- Pascal (Inist)
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Abstract
This study concerns the influence of iron for cobalt substitution on the structural, thermodynamic and electrochemical properties of the hydrides of poly-substituted LaNi3.55Mn0.4Al0.3(Co1-xFex)0.75(0 ≤ x ≤ 1) alloys used as material for negative electrode in Ni-MH batteries. The Fe substitution leads to an increase of the cell parameter, this increase is linear according to the rate of substitution, and a decrease of the equilibrium pressure in agreement with the geometric law. Nevertheless, it is observed that the Fe substitution leads to a deviation from the linear variation between the logarithm of the pressure and the cell volume observed for Co, Mn and Al for Ni substitution. The Fe for Co substitution leads also to a decrease of the solid-gas and electrochemical capacity.
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Pascal:06-0357007Le document en format XML
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Ayari</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Mécanique, Matériaux et Procédés. ESSTT, 5 Avenue Taha Hussein</s1><s2>1008 Tunis</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Tunisie</country><placeName><settlement type="city">Tunis</settlement><region nuts="2">Gouvernorat de Tunis</region></placeName></affiliation></author><author><name sortKey="Paul Boncour, V" sort="Paul Boncour, V" uniqKey="Paul Boncour V" first="V." last="Paul-Boncour">V. Paul-Boncour</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Laboratoire de Chimie Métallurgique des Terres Rares, GLVT, CNRS, 2-8 Rue Henri Dunant</s1><s2>94320 Thiais</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Thiais</settlement></placeName></affiliation></author><author><name sortKey="Lamloumi, J" sort="Lamloumi, J" uniqKey="Lamloumi J" first="J." last="Lamloumi">Jilani Lamloumi</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Mécanique, Matériaux et Procédés. ESSTT, 5 Avenue Taha Hussein</s1><s2>1008 Tunis</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Tunisie</country><placeName><settlement type="city">Tunis</settlement><region nuts="2">Gouvernorat de Tunis</region></placeName><placeName><settlement type="city">Tunis</settlement><region type="region" nuts="2">Gouvernorat de Tunis</region></placeName><orgName type="university" n="3">Université de Tunis</orgName></affiliation></author><author><name sortKey="Mathlouthi, H" sort="Mathlouthi, H" uniqKey="Mathlouthi H" first="H." last="Mathlouthi">H. Mathlouthi</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Mécanique, Matériaux et Procédés. ESSTT, 5 Avenue Taha Hussein</s1><s2>1008 Tunis</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Tunisie</country><placeName><settlement type="city">Tunis</settlement><region nuts="2">Gouvernorat de Tunis</region></placeName></affiliation></author><author><name sortKey="Percheron Guegan, A" sort="Percheron Guegan, A" uniqKey="Percheron Guegan A" first="A." last="Percheron-Guegan">A. Percheron-Guegan</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Laboratoire de Chimie Métallurgique des Terres Rares, GLVT, CNRS, 2-8 Rue Henri Dunant</s1><s2>94320 Thiais</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Thiais</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Journal of alloys and compounds</title><title level="j" type="abbreviated">J. alloys compd.</title><idno type="ISSN">0925-8388</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of alloys and compounds</title><title level="j" type="abbreviated">J. alloys compd.</title><idno type="ISSN">0925-8388</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chemical composition</term><term>Cyclic voltammetry</term><term>Electrochemical properties</term><term>Electrode material</term><term>Intermetallic compound</term><term>Lattice parameters</term><term>Nickel hydrogen batteries</term><term>Thermodynamic properties</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Propriété thermodynamique</term><term>Propriété électrochimique</term><term>Composition chimique</term><term>Paramètre cristallin</term><term>Voltammétrie cyclique</term><term>Batterie nickel hydrogène</term><term>Matériau électrode</term><term>Composé intermétallique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study concerns the influence of iron for cobalt substitution on the structural, thermodynamic and electrochemical properties of the hydrides of poly-substituted LaNi<sub>3.55</sub>Mn<sub>0.4</sub>Al<sub>0.3</sub>(Co<sub>1-x</sub>Fe<sub>x</sub>)<sub>0.75</sub>(0 ≤ x ≤ 1) alloys used as material for negative electrode in Ni-MH batteries. The Fe substitution leads to an increase of the cell parameter, this increase is linear according to the rate of substitution, and a decrease of the equilibrium pressure in agreement with the geometric law. Nevertheless, it is observed that the Fe substitution leads to a deviation from the linear variation between the logarithm of the pressure and the cell volume observed for Co, Mn and Al for Ni substitution. The Fe for Co substitution leads also to a decrease of the solid-gas and electrochemical capacity.</div></front></TEI><affiliations><list><country><li>France</li><li>Tunisie</li></country><region><li>Gouvernorat de Tunis</li><li>Île-de-France</li></region><settlement><li>Thiais</li><li>Tunis</li></settlement><orgName><li>Université de Tunis</li></orgName></list><tree><country name="Tunisie"><region name="Gouvernorat de Tunis"><name sortKey="Ayari, M" sort="Ayari, M" uniqKey="Ayari M" first="M." last="Ayari">M. Ayari</name></region><name sortKey="Lamloumi, J" sort="Lamloumi, J" uniqKey="Lamloumi J" first="J." last="Lamloumi">Jilani Lamloumi</name><name sortKey="Mathlouthi, H" sort="Mathlouthi, H" uniqKey="Mathlouthi H" first="H." last="Mathlouthi">H. Mathlouthi</name></country><country name="France"><region name="Île-de-France"><name sortKey="Paul Boncour, V" sort="Paul Boncour, V" uniqKey="Paul Boncour V" first="V." last="Paul-Boncour">V. Paul-Boncour</name></region><name sortKey="Percheron Guegan, A" sort="Percheron Guegan, A" uniqKey="Percheron Guegan A" first="A." last="Percheron-Guegan">A. Percheron-Guegan</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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