An electrochemical study of mono-substituted intermetallic hydrides
Identifieur interne : 000226 ( PascalFrancis/Corpus ); précédent : 000225; suivant : 000227An electrochemical study of mono-substituted intermetallic hydrides
Auteurs : R. Baddour-Hadjean ; H. Mathlouthi ; J. P. Pereira-Ramos ; J. Lamloumi ; M. Latroche ; A. Percheron-GueganSource :
- Journal of alloys and compounds [ 0925-8388 ] ; 2003.
Descripteurs français
- Pascal (Inist)
- Cinétique, Corrosion, Diffusion chimique, Coefficient diffusion, Longueur diffusion(transport), Epaisseur, Etude expérimentale, Stockage hydrogène, Impédance, Composé intermétallique, Couche oxyde, Nickel alliage, Cobalt alliage, Lanthane alliage, Manganèse alliage, Aluminium alliage, Alliage LaNiCo, Co La Ni, Alliage LaNiMn, La Mn Ni, 8460V, 6630F, 8245B, Alliage LaNiAl, Al La Ni.
English descriptors
- KwdEn :
Abstract
The electrochemical behaviour of LaNi2.5Co2.5, LaNi4.5Mn0.5 and LaNi4.5Al0.5 intermetallic compounds was investigated using chronopotentiometric and impedance measurements. Electrochemical isotherms have been found to be in good agreement with solid gas determinations. Kinetics data are drawn from impedance spectroscopy for the three compounds. Important changes in the magnitude of a low frequency semicircle in the impedance diagrams have been correlated to a corrosion layer effect which is strongly reduced from the first cycle and as cycling proceeds. A subsequent increase in the apparent hydrogen chemical diffusion coefficient DH is found from the first cycle, which is well correlated to the decrease of the diffusion length through the oxide layer as the thickness of the corrosion layer decreases. The apparent hydrogen chemical diffusion coefficient is found to be one order of magnitude larger in the α phase (10-10 cm2/s) than in the β phase.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 03-0428988 INIST |
---|---|
ET : | An electrochemical study of mono-substituted intermetallic hydrides |
AU : | BADDOUR-HADJEAN (R.); MATHLOUTHI (H.); PEREIRA-RAMOS (J. P.); LAMLOUMI (J.); LATROCHE (M.); PERCHERON-GUEGAN (A.); PERCHERON-GUEGAN (Annick); GUPTA (Michèle) |
AF : | LADIR, CNRS UMR 7075, 2 rue Henri Dunant/94320 Thiais/France (1 aut.); L.M.M.P., ESSTT, 5 Avenue Taha Hussein/1008 Tunis/Tunisie (2 aut., 4 aut.); LECSO, CNRS UMR 7582, 2 rue Henri Dunant/94320 Thiais/France (3 aut.); LCMTR, CNRS UPR 209, 2 rue Henri Dunant/94320 Thiais/France (5 aut., 6 aut.) |
DT : | Publication en série; Congrès; Niveau analytique |
SO : | Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 2003; Vol. 356-57; Pp. 750-754; Bibl. 29 ref. |
LA : | Anglais |
EA : | The electrochemical behaviour of LaNi2.5Co2.5, LaNi4.5Mn0.5 and LaNi4.5Al0.5 intermetallic compounds was investigated using chronopotentiometric and impedance measurements. Electrochemical isotherms have been found to be in good agreement with solid gas determinations. Kinetics data are drawn from impedance spectroscopy for the three compounds. Important changes in the magnitude of a low frequency semicircle in the impedance diagrams have been correlated to a corrosion layer effect which is strongly reduced from the first cycle and as cycling proceeds. A subsequent increase in the apparent hydrogen chemical diffusion coefficient DH is found from the first cycle, which is well correlated to the decrease of the diffusion length through the oxide layer as the thickness of the corrosion layer decreases. The apparent hydrogen chemical diffusion coefficient is found to be one order of magnitude larger in the α phase (10-10 cm2/s) than in the β phase. |
CC : | 001D05I03F; 001B60F30F; 001D11E01; 240 |
FD : | Cinétique; Corrosion; Diffusion chimique; Coefficient diffusion; Longueur diffusion(transport); Epaisseur; Etude expérimentale; Stockage hydrogène; Impédance; Composé intermétallique; Couche oxyde; Nickel alliage; Cobalt alliage; Lanthane alliage; Manganèse alliage; Aluminium alliage; Alliage LaNiCo; Co La Ni; Alliage LaNiMn; La Mn Ni; 8460V; 6630F; 8245B; Alliage LaNiAl; Al La Ni |
FG : | Composé minéral; Métal transition alliage; Lanthanide alliage |
ED : | Kinetics; Corrosion; Chemical diffusion; Diffusion coefficient; Diffusion length; Thickness; Experimental study; Hydrogen storage; Impedance; Intermetallic compound; Oxide layer; Nickel alloy; Cobalt alloy; Lanthanum alloy; Manganèse alloy; Aluminium alloy |
EG : | Inorganic compound; Transition metal alloy; Rare earth metal alloy |
GD : | Kinetik; Korrosion; Diffusionskoeffizient; Dicke; Experimentelle Untersuchung; Intermetallische Verbindung; Oxidschicht; Nickellegierung; Cobaltlegierung; Lanthanlegierung; Manganlegierung; Aluminiumlegierung |
SD : | Cinética; Corrosión; Difusión química; Coeficiente difusión; Espesor; Estudio experimental; Impedancia; Compuesto intermetálico; Capa óxido; Níquel aleación; Cobalto aleación; Lantano aleación; Manganeso aleación; Aluminio aleación |
LO : | INIST-1151.354000112625411600 |
ID : | 03-0428988 |
Links to Exploration step
Pascal:03-0428988Le document en format XML
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<series><title level="j" type="main">Journal of alloys and compounds</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aluminium alloy</term>
<term>Chemical diffusion</term>
<term>Cobalt alloy</term>
<term>Corrosion</term>
<term>Diffusion coefficient</term>
<term>Diffusion length</term>
<term>Experimental study</term>
<term>Hydrogen storage</term>
<term>Impedance</term>
<term>Intermetallic compound</term>
<term>Kinetics</term>
<term>Lanthanum alloy</term>
<term>Manganèse alloy</term>
<term>Nickel alloy</term>
<term>Oxide layer</term>
<term>Thickness</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Cinétique</term>
<term>Corrosion</term>
<term>Diffusion chimique</term>
<term>Coefficient diffusion</term>
<term>Longueur diffusion(transport)</term>
<term>Epaisseur</term>
<term>Etude expérimentale</term>
<term>Stockage hydrogène</term>
<term>Impédance</term>
<term>Composé intermétallique</term>
<term>Couche oxyde</term>
<term>Nickel alliage</term>
<term>Cobalt alliage</term>
<term>Lanthane alliage</term>
<term>Manganèse alliage</term>
<term>Aluminium alliage</term>
<term>Alliage LaNiCo</term>
<term>Co La Ni</term>
<term>Alliage LaNiMn</term>
<term>La Mn Ni</term>
<term>8460V</term>
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<front><div type="abstract" xml:lang="en">The electrochemical behaviour of LaNi<sub>2.5</sub>
Co<sub>2.5</sub>
, LaNi<sub>4.5</sub>
Mn<sub>0.5</sub>
and LaNi<sub>4.5</sub>
Al<sub>0.5</sub>
intermetallic compounds was investigated using chronopotentiometric and impedance measurements. Electrochemical isotherms have been found to be in good agreement with solid gas determinations. Kinetics data are drawn from impedance spectroscopy for the three compounds. Important changes in the magnitude of a low frequency semicircle in the impedance diagrams have been correlated to a corrosion layer effect which is strongly reduced from the first cycle and as cycling proceeds. A subsequent increase in the apparent hydrogen chemical diffusion coefficient D<sub>H</sub>
is found from the first cycle, which is well correlated to the decrease of the diffusion length through the oxide layer as the thickness of the corrosion layer decreases. The apparent hydrogen chemical diffusion coefficient is found to be one order of magnitude larger in the α phase (10<sup>-10</sup>
cm<sup>2</sup>
/s) than in the β phase.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0925-8388</s0>
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<fA11 i1="02" i2="1"><s1>MATHLOUTHI (H.)</s1>
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<fA11 i1="03" i2="1"><s1>PEREIRA-RAMOS (J. P.)</s1>
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<fA11 i1="04" i2="1"><s1>LAMLOUMI (J.)</s1>
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<fA14 i1="01"><s1>LADIR, CNRS UMR 7075, 2 rue Henri Dunant</s1>
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<s3>FRA</s3>
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<s2>94320 Thiais</s2>
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<fC01 i1="01" l="ENG"><s0>The electrochemical behaviour of LaNi<sub>2.5</sub>
Co<sub>2.5</sub>
, LaNi<sub>4.5</sub>
Mn<sub>0.5</sub>
and LaNi<sub>4.5</sub>
Al<sub>0.5</sub>
intermetallic compounds was investigated using chronopotentiometric and impedance measurements. Electrochemical isotherms have been found to be in good agreement with solid gas determinations. Kinetics data are drawn from impedance spectroscopy for the three compounds. Important changes in the magnitude of a low frequency semicircle in the impedance diagrams have been correlated to a corrosion layer effect which is strongly reduced from the first cycle and as cycling proceeds. A subsequent increase in the apparent hydrogen chemical diffusion coefficient D<sub>H</sub>
is found from the first cycle, which is well correlated to the decrease of the diffusion length through the oxide layer as the thickness of the corrosion layer decreases. The apparent hydrogen chemical diffusion coefficient is found to be one order of magnitude larger in the α phase (10<sup>-10</sup>
cm<sup>2</sup>
/s) than in the β phase.</s0>
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<fC02 i1="01" i2="X"><s0>001D05I03F</s0>
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<fC02 i1="03" i2="X"><s0>001D11E01</s0>
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<s5>02</s5>
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<s5>03</s5>
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<fC03 i1="02" i2="X" l="ENG"><s0>Corrosion</s0>
<s5>03</s5>
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<s5>03</s5>
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<s5>03</s5>
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<s5>04</s5>
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<s5>05</s5>
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<fC03 i1="04" i2="X" l="ENG"><s0>Diffusion coefficient</s0>
<s5>05</s5>
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<fC03 i1="04" i2="X" l="GER"><s0>Diffusionskoeffizient</s0>
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<fC03 i1="04" i2="X" l="SPA"><s0>Coeficiente difusión</s0>
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<fC03 i1="05" i2="3" l="FRE"><s0>Longueur diffusion(transport)</s0>
<s5>06</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Diffusion length</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Epaisseur</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Thickness</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="X" l="GER"><s0>Dicke</s0>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Espesor</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Etude expérimentale</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Experimental study</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="X" l="GER"><s0>Experimentelle Untersuchung</s0>
<s5>08</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Estudio experimental</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Stockage hydrogène</s0>
<s5>09</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG"><s0>Hydrogen storage</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Impédance</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Impedance</s0>
<s5>10</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Impedancia</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Composé intermétallique</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Intermetallic compound</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="GER"><s0>Intermetallische Verbindung</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Compuesto intermetálico</s0>
<s5>15</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Couche oxyde</s0>
<s5>16</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Oxide layer</s0>
<s5>16</s5>
</fC03>
<fC03 i1="11" i2="X" l="GER"><s0>Oxidschicht</s0>
<s5>16</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Capa óxido</s0>
<s5>16</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Nickel alliage</s0>
<s5>17</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Nickel alloy</s0>
<s5>17</s5>
</fC03>
<fC03 i1="12" i2="X" l="GER"><s0>Nickellegierung</s0>
<s5>17</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Níquel aleación</s0>
<s5>17</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Cobalt alliage</s0>
<s5>18</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Cobalt alloy</s0>
<s5>18</s5>
</fC03>
<fC03 i1="13" i2="X" l="GER"><s0>Cobaltlegierung</s0>
<s5>18</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Cobalto aleación</s0>
<s5>18</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Lanthane alliage</s0>
<s5>19</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Lanthanum alloy</s0>
<s5>19</s5>
</fC03>
<fC03 i1="14" i2="X" l="GER"><s0>Lanthanlegierung</s0>
<s5>19</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Lantano aleación</s0>
<s5>19</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Manganèse alliage</s0>
<s5>20</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Manganèse alloy</s0>
<s5>20</s5>
</fC03>
<fC03 i1="15" i2="X" l="GER"><s0>Manganlegierung</s0>
<s5>20</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Manganeso aleación</s0>
<s5>20</s5>
</fC03>
<fC03 i1="16" i2="X" l="FRE"><s0>Aluminium alliage</s0>
<s5>21</s5>
</fC03>
<fC03 i1="16" i2="X" l="ENG"><s0>Aluminium alloy</s0>
<s5>21</s5>
</fC03>
<fC03 i1="16" i2="X" l="GER"><s0>Aluminiumlegierung</s0>
<s5>21</s5>
</fC03>
<fC03 i1="16" i2="X" l="SPA"><s0>Aluminio aleación</s0>
<s5>21</s5>
</fC03>
<fC03 i1="17" i2="X" l="FRE"><s0>Alliage LaNiCo</s0>
<s4>INC</s4>
<s5>52</s5>
</fC03>
<fC03 i1="18" i2="X" l="FRE"><s0>Co La Ni</s0>
<s4>INC</s4>
<s5>53</s5>
</fC03>
<fC03 i1="19" i2="X" l="FRE"><s0>Alliage LaNiMn</s0>
<s4>INC</s4>
<s5>54</s5>
</fC03>
<fC03 i1="20" i2="X" l="FRE"><s0>La Mn Ni</s0>
<s4>INC</s4>
<s5>55</s5>
</fC03>
<fC03 i1="21" i2="X" l="FRE"><s0>8460V</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="22" i2="X" l="FRE"><s0>6630F</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>57</s5>
</fC03>
<fC03 i1="23" i2="X" l="FRE"><s0>8245B</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>58</s5>
</fC03>
<fC03 i1="24" i2="X" l="FRE"><s0>Alliage LaNiAl</s0>
<s4>INC</s4>
<s5>92</s5>
</fC03>
<fC03 i1="25" i2="X" l="FRE"><s0>Al La Ni</s0>
<s4>INC</s4>
<s5>93</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Composé minéral</s0>
<s5>48</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Inorganic compound</s0>
<s5>48</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Compuesto inorgánico</s0>
<s5>48</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Métal transition alliage</s0>
<s5>49</s5>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Transition metal alloy</s0>
<s5>49</s5>
</fC07>
<fC07 i1="02" i2="X" l="GER"><s0>Uebergangsmetallegierung</s0>
<s5>49</s5>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Metal transición aleación</s0>
<s5>49</s5>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Lanthanide alliage</s0>
<s5>50</s5>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Rare earth metal alloy</s0>
<s5>50</s5>
</fC07>
<fC07 i1="03" i2="X" l="GER"><s0>Seltenerdmetallegierung</s0>
<s5>50</s5>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Lantánido aleación</s0>
<s5>50</s5>
</fC07>
<fN21><s1>293</s1>
</fN21>
<fN82><s1>PSI</s1>
</fN82>
</pA>
<pR><fA30 i1="01" i2="1" l="ENG"><s1>MH2002: Metal-Hydrogen Systems, Fundamentals and Applications. International Symposium</s1>
<s2>8</s2>
<s3>Annecy FRA</s3>
<s4>2002-09-02</s4>
</fA30>
</pR>
</standard>
<server><NO>PASCAL 03-0428988 INIST</NO>
<ET>An electrochemical study of mono-substituted intermetallic hydrides</ET>
<AU>BADDOUR-HADJEAN (R.); MATHLOUTHI (H.); PEREIRA-RAMOS (J. P.); LAMLOUMI (J.); LATROCHE (M.); PERCHERON-GUEGAN (A.); PERCHERON-GUEGAN (Annick); GUPTA (Michèle)</AU>
<AF>LADIR, CNRS UMR 7075, 2 rue Henri Dunant/94320 Thiais/France (1 aut.); L.M.M.P., ESSTT, 5 Avenue Taha Hussein/1008 Tunis/Tunisie (2 aut., 4 aut.); LECSO, CNRS UMR 7582, 2 rue Henri Dunant/94320 Thiais/France (3 aut.); LCMTR, CNRS UPR 209, 2 rue Henri Dunant/94320 Thiais/France (5 aut., 6 aut.)</AF>
<DT>Publication en série; Congrès; Niveau analytique</DT>
<SO>Journal of alloys and compounds; ISSN 0925-8388; Suisse; Da. 2003; Vol. 356-57; Pp. 750-754; Bibl. 29 ref.</SO>
<LA>Anglais</LA>
<EA>The electrochemical behaviour of LaNi<sub>2.5</sub>
Co<sub>2.5</sub>
, LaNi<sub>4.5</sub>
Mn<sub>0.5</sub>
and LaNi<sub>4.5</sub>
Al<sub>0.5</sub>
intermetallic compounds was investigated using chronopotentiometric and impedance measurements. Electrochemical isotherms have been found to be in good agreement with solid gas determinations. Kinetics data are drawn from impedance spectroscopy for the three compounds. Important changes in the magnitude of a low frequency semicircle in the impedance diagrams have been correlated to a corrosion layer effect which is strongly reduced from the first cycle and as cycling proceeds. A subsequent increase in the apparent hydrogen chemical diffusion coefficient D<sub>H</sub>
is found from the first cycle, which is well correlated to the decrease of the diffusion length through the oxide layer as the thickness of the corrosion layer decreases. The apparent hydrogen chemical diffusion coefficient is found to be one order of magnitude larger in the α phase (10<sup>-10</sup>
cm<sup>2</sup>
/s) than in the β phase.</EA>
<CC>001D05I03F; 001B60F30F; 001D11E01; 240</CC>
<FD>Cinétique; Corrosion; Diffusion chimique; Coefficient diffusion; Longueur diffusion(transport); Epaisseur; Etude expérimentale; Stockage hydrogène; Impédance; Composé intermétallique; Couche oxyde; Nickel alliage; Cobalt alliage; Lanthane alliage; Manganèse alliage; Aluminium alliage; Alliage LaNiCo; Co La Ni; Alliage LaNiMn; La Mn Ni; 8460V; 6630F; 8245B; Alliage LaNiAl; Al La Ni</FD>
<FG>Composé minéral; Métal transition alliage; Lanthanide alliage</FG>
<ED>Kinetics; Corrosion; Chemical diffusion; Diffusion coefficient; Diffusion length; Thickness; Experimental study; Hydrogen storage; Impedance; Intermetallic compound; Oxide layer; Nickel alloy; Cobalt alloy; Lanthanum alloy; Manganèse alloy; Aluminium alloy</ED>
<EG>Inorganic compound; Transition metal alloy; Rare earth metal alloy</EG>
<GD>Kinetik; Korrosion; Diffusionskoeffizient; Dicke; Experimentelle Untersuchung; Intermetallische Verbindung; Oxidschicht; Nickellegierung; Cobaltlegierung; Lanthanlegierung; Manganlegierung; Aluminiumlegierung</GD>
<SD>Cinética; Corrosión; Difusión química; Coeficiente difusión; Espesor; Estudio experimental; Impedancia; Compuesto intermetálico; Capa óxido; Níquel aleación; Cobalto aleación; Lantano aleación; Manganeso aleación; Aluminio aleación</SD>
<LO>INIST-1151.354000112625411600</LO>
<ID>03-0428988</ID>
</server>
</inist>
</record>
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