CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000219

LiNi1-yCoyO2 positive electrode materials : relationships between the structure, physical properties and electrochemical behaviour

Identifieur interne : 000219 ( Maroc/Analysis ); précédent : 000218; suivant : 000220

LiNi1-yCoyO2 positive electrode materials : relationships between the structure, physical properties and electrochemical behaviour

Auteurs : ISMAEL SAADOUNE [Maroc] ; C. Delmas [France]

Source :

Journal of materials chemistry [ 0959-9428 ] ; 1996.

RBID : Pascal:96-0129636

Descripteurs français

Pascal (Inist)
- Batterie, Lithium, Relation structure propriété, Structure cristalline, Propriété physique, Susceptibilité magnétique, Caractéristique électrique, Cycle charge décharge, Matériau électrode, Lithium Oxyde, Cobalt Oxyde, Nickel Oxyde, Composé quaternaire, LiNi0,7Co0,3O2, Co Li Ni O.

English descriptors

KwdEn :
- Battery, Cobalt Oxides, Crystalline structure, Discharge charge cycle, Electrical characteristic, Electrode material, Lithium, Lithium Oxides, Magnetic susceptibility, Nickel Oxides, Physical properties, Property structure relationship, Quaternary compound.

Abstract

The LiNi_1-yCo_yO₂ oxides crystallize in the rhombohedral system with 1-NaFeO₂ type structure. A structural study of these materials shows the presence of a few nickel ions in the Li plane for y ≤ 0.2. This phenomenon has been confirmed by a study of the magnetic and electrical properties. The LiNi_1-yCo_yO₂ lamellar oxides are used as positive electrode materials in Li batteries. The Li∥Li_xNi_1-yCO_yO₂ cells exhibit electrochemical behaviour strongly related to the existence of structural defects. A high specific energy (close to 500 W h kg ^-1 of active material) is obtained for y = 0.3. These performances are attractive from an applications point of view.

Affiliations:

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000353
to stream PascalFrancis, to step Curation: 000350
to stream PascalFrancis, to step Checkpoint: 000344
to stream Main, to step Merge: 001134
to stream Main, to step Curation: 001091
to stream Main, to step Exploration: 001091
to stream Maroc, to step Extraction: 000219

Links to Exploration step

Pascal:96-0129636

Le document en format XML

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Co<sub>y</sub>
O<sub>2</sub>
 positive electrode materials : relationships between the structure, physical properties and electrochemical behaviour</title>
<author><name sortKey="Ismael Saadoune" sort="Ismael Saadoune" uniqKey="Ismael Saadoune" last="Ismael Saadoune">ISMAEL SAADOUNE</name>
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<s2>Marackech</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">LiNi<sub>1-y</sub>
Co<sub>y</sub>
O<sub>2</sub>
 positive electrode materials : relationships between the structure, physical properties and electrochemical behaviour</title>
<author><name sortKey="Ismael Saadoune" sort="Ismael Saadoune" uniqKey="Ismael Saadoune" last="Ismael Saadoune">ISMAEL SAADOUNE</name>
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<series><title level="j" type="main">Journal of materials chemistry</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Battery</term>
<term>Cobalt Oxides</term>
<term>Crystalline structure</term>
<term>Discharge charge cycle</term>
<term>Electrical characteristic</term>
<term>Electrode material</term>
<term>Lithium</term>
<term>Lithium Oxides</term>
<term>Magnetic susceptibility</term>
<term>Nickel Oxides</term>
<term>Physical properties</term>
<term>Property structure relationship</term>
<term>Quaternary compound</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Batterie</term>
<term>Lithium</term>
<term>Relation structure propriété</term>
<term>Structure cristalline</term>
<term>Propriété physique</term>
<term>Susceptibilité magnétique</term>
<term>Caractéristique électrique</term>
<term>Cycle charge décharge</term>
<term>Matériau électrode</term>
<term>Lithium Oxyde</term>
<term>Cobalt Oxyde</term>
<term>Nickel Oxyde</term>
<term>Composé quaternaire</term>
<term>LiNi0,7Co0,3O2</term>
<term>Co Li Ni O</term>
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<front><div type="abstract" xml:lang="en">The LiNi<sub>1-y</sub>
Co<sub>y</sub>
O<sub>2</sub>
 oxides crystallize in the rhombohedral system with 1-NaFeO<sub>2</sub>
 type structure. A structural study of these materials shows the presence of a few nickel ions in the Li plane for y ≤ 0.2. This phenomenon has been confirmed by a study of the magnetic and electrical properties. The LiNi<sub>1-y</sub>
Co<sub>y</sub>
O<sub>2</sub>
 lamellar oxides are used as positive electrode materials in Li batteries. The Li∥Li<sub>x</sub>
Ni<sub>1-y</sub>
CO<sub>y</sub>
O<sub>2</sub>
 cells exhibit electrochemical behaviour strongly related to the existence of structural defects. A high specific energy (close to 500 W h kg <sup>-1</sup>
 of active material) is obtained for y = 0.3. These performances are attractive from an applications point of view.</div>
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LiNi1-yCoyO2 positive electrode materials : relationships between the structure, physical properties and electrochemical behaviour

LiNi1-yCoyO2 positive electrode materials : relationships between the structure, physical properties and electrochemical behaviour

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri