CobaltMaghrebV1, PascalFrancis, Corpus, bibRecord, 000213

Electrochemical study of cobalt-free AB5-type hydrogen storage alloys

Identifieur interne : 000213 ( PascalFrancis/Corpus ); précédent : 000212; suivant : 000214

Electrochemical study of cobalt-free AB5-type hydrogen storage alloys

Auteurs : C. Khaldi ; H. Mathlouthi ; J. Lamloumi ; A. Percheron-Guegan

Source :

International journal of hydrogen energy [ 0360-3199 ] ; 2004.

RBID : Pascal:04-0240210

Descripteurs français

Pascal (Inist)
- Hydrogène, Stockage hydrogène, Lanthane alliage, Nickel alliage, Manganèse alliage, Aluminium alliage, Capacité stockage, Diminution coût, Stabilité, Voltammétrie cyclique.

English descriptors

KwdEn :
- Aluminium alloy, Cost lowering, Cyclic voltammetry, Hydrogen, Hydrogen storage, Lanthanum alloy, Manganèse alloy, Nickel alloy, Stability, Storage capacity.

Abstract

Cobalt-free AB₅-type hydrogen storage alloys have been examined for the purpose of lowering MH raw material costs. The electrochemical measurements showed that the cobalt-containing LaNi_3.55Mn_0.4Al_0.3Co_0.75 alloy had a maximum capacity of 300 mA h/g at a rate of C/6. The capacity decrease was calculated by 5% after 20 cycles at C/6 rate with 100% depth of discharge (DOD). The cobalt-free LaNi_3.55Mn_0.4Al_0.3Fe_0.75 alloy showed a very good cycling stability, although the initial capacity (250 mA h/g at C/6 rate) was lower than that of the cobalt containing alloy. The capacity decrease of the cobalt-free alloy amounted to 1% after 20 cycles under the same rate and DOD. The mechanism of hydriding/dehydriding reaction on the alloy electrodes was also investigated using a constant potential discharge (CPD) and cyclic voltammetry (CV) techniques. The obtained values of the hydrogen diffusion coefficient D_H, were, 2 x 10^-8 and 1.1 x 10^-10 cm² s^-1 for LaNi_3.55Mn_0.4Al_0.3Co_0.75 and 8 × 10^-9 and 1.0 x 10^-10 cm² s^-1 for LaNi_3.55Mn_0.4Al_0.3Fe_0.75, by CV and by CPD, respectively.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A02	`01`			`@0 IJHEDX`
A03		`1`		`@0 Int. j. hydrogen energy`
A05				`@2 29`
A06				`@2 3`
A08	`01`	`1`	`ENG`	`@1 Electrochemical study of cobalt-free AB₅-type hydrogen storage alloys`
A11	`01`	`1`		`@1 KHALDI (C.)`
A11	`02`	`1`		`@1 MATHLOUTHI (H.)`
A11	`03`	`1`		`@1 LAMLOUMI (J.)`
A11	`04`	`1`		`@1 PERCHERON-GUEGAN (A.)`
A14	`01`			`@1 LMMP, ESSTT, 5 Avenue Taha Hussein @2 1008 Tunis @3 TUN @Z 1 aut. @Z 2 aut. @Z 3 aut.`
A14	`02`			`@1 LCMTR, GLVT, CNRS, 2-8 Rue Henri Dunant @2 94320 Thiais @3 FRA @Z 4 aut.`
A20				`@1 307-311`
A21				`@1 2004`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 17522 @5 354000116506460130`
A44				`@0 0000 @1 © 2004 INIST-CNRS. All rights reserved.`
A45				`@0 20 ref.`
A47	`01`	`1`		`@0 04-0240210`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 International journal of hydrogen energy`
A66	`01`			`@0 GBR`
C01	`01`		`ENG`	@0 Cobalt-free AB₅-type hydrogen storage alloys have been examined for the purpose of lowering MH raw material costs. The electrochemical measurements showed that the cobalt-containing LaNi_3.55Mn_0.4Al_0.3Co_0.75 alloy had a maximum capacity of 300 mA h/g at a rate of C/6. The capacity decrease was calculated by 5% after 20 cycles at C/6 rate with 100% depth of discharge (DOD). The cobalt-free LaNi_3.55Mn_0.4Al_0.3Fe_0.75 alloy showed a very good cycling stability, although the initial capacity (250 mA h/g at C/6 rate) was lower than that of the cobalt containing alloy. The capacity decrease of the cobalt-free alloy amounted to 1% after 20 cycles under the same rate and DOD. The mechanism of hydriding/dehydriding reaction on the alloy electrodes was also investigated using a constant potential discharge (CPD) and cyclic voltammetry (CV) techniques. The obtained values of the hydrogen diffusion coefficient D_H, were, 2 x 10^-8 and 1.1 x 10^-10 cm² s^-1 for LaNi_3.55Mn_0.4Al_0.3Co_0.75 and 8 × 10^-9 and 1.0 x 10^-10 cm² s^-1 for LaNi_3.55Mn_0.4Al_0.3Fe_0.75, by CV and by CPD, respectively.
C02	`01`	`X`		`@0 001D06B06B`
C02	`02`	`X`		`@0 230`
C03	`01`	`X`	`FRE`	`@0 Hydrogène @2 NC @5 01`
C03	`01`	`X`	`ENG`	`@0 Hydrogen @2 NC @5 01`
C03	`01`	`X`	`SPA`	`@0 Hidrógeno @2 NC @5 01`
C03	`02`	`3`	`FRE`	`@0 Stockage hydrogène @5 02`
C03	`02`	`3`	`ENG`	`@0 Hydrogen storage @5 02`
C03	`03`	`X`	`FRE`	`@0 Lanthane alliage @5 03`
C03	`03`	`X`	`ENG`	`@0 Lanthanum alloy @5 03`
C03	`03`	`X`	`SPA`	`@0 Lantano aleación @5 03`
C03	`04`	`X`	`FRE`	`@0 Nickel alliage @5 04`
C03	`04`	`X`	`ENG`	`@0 Nickel alloy @5 04`
C03	`04`	`X`	`SPA`	`@0 Níquel aleación @5 04`
C03	`05`	`X`	`FRE`	`@0 Manganèse alliage @5 05`
C03	`05`	`X`	`ENG`	`@0 Manganèse alloy @5 05`
C03	`05`	`X`	`SPA`	`@0 Manganeso aleación @5 05`
C03	`06`	`X`	`FRE`	`@0 Aluminium alliage @5 06`
C03	`06`	`X`	`ENG`	`@0 Aluminium alloy @5 06`
C03	`06`	`X`	`SPA`	`@0 Aluminio aleación @5 06`
C03	`07`	`X`	`FRE`	`@0 Capacité stockage @5 07`
C03	`07`	`X`	`ENG`	`@0 Storage capacity @5 07`
C03	`07`	`X`	`SPA`	`@0 Capacidad almacenaje @5 07`
C03	`08`	`X`	`FRE`	`@0 Diminution coût @5 08`
C03	`08`	`X`	`ENG`	`@0 Cost lowering @5 08`
C03	`08`	`X`	`SPA`	`@0 Reducción costes @5 08`
C03	`09`	`X`	`FRE`	`@0 Stabilité @5 12`
C03	`09`	`X`	`ENG`	`@0 Stability @5 12`
C03	`09`	`X`	`SPA`	`@0 Estabilidad @5 12`
C03	`10`	`X`	`FRE`	`@0 Voltammétrie cyclique @5 15`
C03	`10`	`X`	`ENG`	`@0 Cyclic voltammetry @5 15`
C03	`10`	`X`	`SPA`	`@0 Voltametría cíclica @5 15`
N21				`@1 152`
N82				`@1 PSI`

Format Inist (serveur)

NO :	PASCAL 04-0240210 INIST
ET :	Electrochemical study of cobalt-free AB₅-type hydrogen storage alloys
AU :	KHALDI (C.); MATHLOUTHI (H.); LAMLOUMI (J.); PERCHERON-GUEGAN (A.)
AF :	LMMP, ESSTT, 5 Avenue Taha Hussein/1008 Tunis/Tunisie (1 aut., 2 aut., 3 aut.); LCMTR, GLVT, CNRS, 2-8 Rue Henri Dunant/94320 Thiais/France (4 aut.)
DT :	Publication en série; Niveau analytique
SO :	International journal of hydrogen energy; ISSN 0360-3199; Coden IJHEDX; Royaume-Uni; Da. 2004; Vol. 29; No. 3; Pp. 307-311; Bibl. 20 ref.
LA :	Anglais
EA :	Cobalt-free AB₅-type hydrogen storage alloys have been examined for the purpose of lowering MH raw material costs. The electrochemical measurements showed that the cobalt-containing LaNi_3.55Mn_0.4Al_0.3Co_0.75 alloy had a maximum capacity of 300 mA h/g at a rate of C/6. The capacity decrease was calculated by 5% after 20 cycles at C/6 rate with 100% depth of discharge (DOD). The cobalt-free LaNi_3.55Mn_0.4Al_0.3Fe_0.75 alloy showed a very good cycling stability, although the initial capacity (250 mA h/g at C/6 rate) was lower than that of the cobalt containing alloy. The capacity decrease of the cobalt-free alloy amounted to 1% after 20 cycles under the same rate and DOD. The mechanism of hydriding/dehydriding reaction on the alloy electrodes was also investigated using a constant potential discharge (CPD) and cyclic voltammetry (CV) techniques. The obtained values of the hydrogen diffusion coefficient D_H, were, 2 x 10^-8 and 1.1 x 10^-10 cm² s^-1 for LaNi_3.55Mn_0.4Al_0.3Co_0.75 and 8 × 10^-9 and 1.0 x 10^-10 cm² s^-1 for LaNi_3.55Mn_0.4Al_0.3F e_0.75, by CV and by CPD, respectively.
CC :	001D06B06B; 230
FD :	Hydrogène; Stockage hydrogène; Lanthane alliage; Nickel alliage; Manganèse alliage; Aluminium alliage; Capacité stockage; Diminution coût; Stabilité; Voltammétrie cyclique
ED :	Hydrogen; Hydrogen storage; Lanthanum alloy; Nickel alloy; Manganèse alloy; Aluminium alloy; Storage capacity; Cost lowering; Stability; Cyclic voltammetry
SD :	Hidrógeno; Lantano aleación; Níquel aleación; Manganeso aleación; Aluminio aleación; Capacidad almacenaje; Reducción costes; Estabilidad; Voltametría cíclica
LO :	INIST-17522.354000116506460130
ID :	04-0240210

Links to Exploration step

Pascal:04-0240210

Le document en format XML

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<term>Lanthanum alloy</term>
<term>Manganèse alloy</term>
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<term>Aluminium alliage</term>
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<front><div type="abstract" xml:lang="en">Cobalt-free AB<sub>5</sub>
-type hydrogen storage alloys have been examined for the purpose of lowering MH raw material costs. The electrochemical measurements showed that the cobalt-containing LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Co<sub>0.75</sub>
 alloy had a maximum capacity of 300 mA h/g at a rate of C/6. The capacity decrease was calculated by 5% after 20 cycles at C/6 rate with 100% depth of discharge (DOD). The cobalt-free LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Fe<sub>0.75</sub>
 alloy showed a very good cycling stability, although the initial capacity (250 mA h/g at C/6 rate) was lower than that of the cobalt containing alloy. The capacity decrease of the cobalt-free alloy amounted to 1% after 20 cycles under the same rate and DOD. The mechanism of hydriding/dehydriding reaction on the alloy electrodes was also investigated using a constant potential discharge (CPD) and cyclic voltammetry (CV) techniques. The obtained values of the hydrogen diffusion coefficient D<sub>H</sub>
, were, 2 x 10<sup>-8</sup>
 and 1.1 x 10<sup>-10</sup>
 cm<sup>2</sup>
 s<sup>-1</sup>
 for LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Co<sub>0.75</sub>
 and 8 × 10<sup>-9</sup>
 and 1.0 x 10<sup>-10</sup>
 cm<sup>2</sup>
 s<sup>-1</sup>
 for LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Fe<sub>0.75</sub>
, by CV and by CPD, respectively.</div>
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<fC01 i1="01" l="ENG"><s0>Cobalt-free AB<sub>5</sub>
-type hydrogen storage alloys have been examined for the purpose of lowering MH raw material costs. The electrochemical measurements showed that the cobalt-containing LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Co<sub>0.75</sub>
 alloy had a maximum capacity of 300 mA h/g at a rate of C/6. The capacity decrease was calculated by 5% after 20 cycles at C/6 rate with 100% depth of discharge (DOD). The cobalt-free LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Fe<sub>0.75</sub>
 alloy showed a very good cycling stability, although the initial capacity (250 mA h/g at C/6 rate) was lower than that of the cobalt containing alloy. The capacity decrease of the cobalt-free alloy amounted to 1% after 20 cycles under the same rate and DOD. The mechanism of hydriding/dehydriding reaction on the alloy electrodes was also investigated using a constant potential discharge (CPD) and cyclic voltammetry (CV) techniques. The obtained values of the hydrogen diffusion coefficient D<sub>H</sub>
, were, 2 x 10<sup>-8</sup>
 and 1.1 x 10<sup>-10</sup>
 cm<sup>2</sup>
 s<sup>-1</sup>
 for LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Co<sub>0.75</sub>
 and 8 × 10<sup>-9</sup>
 and 1.0 x 10<sup>-10</sup>
 cm<sup>2</sup>
 s<sup>-1</sup>
 for LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Fe<sub>0.75</sub>
, by CV and by CPD, respectively.</s0>
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<s2>NC</s2>
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<s5>03</s5>
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<s5>04</s5>
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<s5>04</s5>
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<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Aluminium alloy</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Aluminio aleación</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Capacité stockage</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Storage capacity</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Capacidad almacenaje</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Diminution coût</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Cost lowering</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Reducción costes</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Stabilité</s0>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Stability</s0>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Estabilidad</s0>
<s5>12</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Voltammétrie cyclique</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Cyclic voltammetry</s0>
<s5>15</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Voltametría cíclica</s0>
<s5>15</s5>
</fC03>
<fN21><s1>152</s1>
</fN21>
<fN82><s1>PSI</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 04-0240210 INIST</NO>
<ET>Electrochemical study of cobalt-free AB<sub>5</sub>
-type hydrogen storage alloys</ET>
<AU>KHALDI (C.); MATHLOUTHI (H.); LAMLOUMI (J.); PERCHERON-GUEGAN (A.)</AU>
<AF>LMMP, ESSTT, 5 Avenue Taha Hussein/1008 Tunis/Tunisie (1 aut., 2 aut., 3 aut.); LCMTR, GLVT, CNRS, 2-8 Rue Henri Dunant/94320 Thiais/France (4 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>International journal of hydrogen energy; ISSN 0360-3199; Coden IJHEDX; Royaume-Uni; Da. 2004; Vol. 29; No. 3; Pp. 307-311; Bibl. 20 ref.</SO>
<LA>Anglais</LA>
<EA>Cobalt-free AB<sub>5</sub>
-type hydrogen storage alloys have been examined for the purpose of lowering MH raw material costs. The electrochemical measurements showed that the cobalt-containing LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Co<sub>0.75</sub>
 alloy had a maximum capacity of 300 mA h/g at a rate of C/6. The capacity decrease was calculated by 5% after 20 cycles at C/6 rate with 100% depth of discharge (DOD). The cobalt-free LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Fe<sub>0.75</sub>
 alloy showed a very good cycling stability, although the initial capacity (250 mA h/g at C/6 rate) was lower than that of the cobalt containing alloy. The capacity decrease of the cobalt-free alloy amounted to 1% after 20 cycles under the same rate and DOD. The mechanism of hydriding/dehydriding reaction on the alloy electrodes was also investigated using a constant potential discharge (CPD) and cyclic voltammetry (CV) techniques. The obtained values of the hydrogen diffusion coefficient D<sub>H</sub>
, were, 2 x 10<sup>-8</sup>
 and 1.1 x 10<sup>-10</sup>
 cm<sup>2</sup>
 s<sup>-1</sup>
 for LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
Co<sub>0.75</sub>
 and 8 × 10<sup>-9</sup>
 and 1.0 x 10<sup>-10</sup>
 cm<sup>2</sup>
 s<sup>-1</sup>
 for LaNi<sub>3.55</sub>
Mn<sub>0.4</sub>
Al<sub>0.3</sub>
F e<sub>0.75</sub>
, by CV and by CPD, respectively.</EA>
<CC>001D06B06B; 230</CC>
<FD>Hydrogène; Stockage hydrogène; Lanthane alliage; Nickel alliage; Manganèse alliage; Aluminium alliage; Capacité stockage; Diminution coût; Stabilité; Voltammétrie cyclique</FD>
<ED>Hydrogen; Hydrogen storage; Lanthanum alloy; Nickel alloy; Manganèse alloy; Aluminium alloy; Storage capacity; Cost lowering; Stability; Cyclic voltammetry</ED>
<SD>Hidrógeno; Lantano aleación; Níquel aleación; Manganeso aleación; Aluminio aleación; Capacidad almacenaje; Reducción costes; Estabilidad; Voltametría cíclica</SD>
<LO>INIST-17522.354000116506460130</LO>
<ID>04-0240210</ID>
</server>
</inist>
</record>

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Electrochemical study of cobalt-free AB5-type hydrogen storage alloys

Electrochemical study of cobalt-free AB5-type hydrogen storage alloys

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