CobaltMaghrebV1, Main, Exploration, bibRecord, 000788

LixNi0.7CO0.3O2 electrode material : Structural, physical and electrochemical investigations

Identifieur interne : 000788 ( Main/Exploration ); précédent : 000787; suivant : 000789

LixNi0.7CO0.3O2 electrode material : Structural, physical and electrochemical investigations

Auteurs : Mohammed Dahbi [Maroc] ; Ismael Saadoune [Maroc] ; J. Manuel Amarilla [Espagne]

Source :

Electrochimica acta [ 0013-4686 ] ; 2008.

RBID : Pascal:08-0359243

Descripteurs français

Pascal (Inist)
- Matériau électrode, Electrode, Relation composition propriété, Combustion, Propriété magnétique, Aimantation, Lithium Oxyde, Nickel Oxyde, Cobalt Oxyde, Cycle charge décharge, Diffraction RX, Capacité spécifique, Structure lamellaire, Transformation phase, Paramètre cristallin, Accumulateur électrochimique, Caractéristique électrique, Batterie lithium ion.

English descriptors

KwdEn :
- Cobalt Oxides, Combustion, Discharge charge cycle, Electrical characteristic, Electrode material, Electrodes, Lamellar structure, Lattice parameters, Lithion ion batteries, Lithium Oxides, Magnetic properties, Magnetization, Nickel Oxides, Phase transformation, Property composition relationship, Secondary cell, Specific capacity, X ray diffraction.

Abstract

The layered LiNi_0.7CO_0.3O₂ cathode material was synthesized by the combustion method using sucrose as fuel at 800 C for 1 h, which leads to homogeneous size distribution with sub-micron particle size. The characterization of this material was realized using X-ray diffraction, scanning electron microscopy and completed by magnetic measurements. The Rietveld refinement shows the presence of 2.6% extra nickel in the interslab space. The presence of nickel ions in the lithium layers was confirmed by magnetization measurements. The 90 Ni-O-Ni ferromagnetic coupling is the main magnetic interactions. Lithium extraction from this phase occurs without major structural modifications. Cycling tests have shown a very good cycling stability at various current rates. Furthermore, this material delivers high reversible capacity of about 150 mAh/g in the 2.8-4.4V range at the C/20.

Affiliations:

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

to stream PascalFrancis, to step Corpus: 000125
to stream PascalFrancis, to step Curation: 000170
to stream PascalFrancis, to step Checkpoint: 000130
to stream Main, to step Merge: 000796
to stream Main, to step Curation: 000788

Le document en format XML

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Ni<sub>0.7</sub>
CO<sub>0.3</sub>
O<sub>2</sub>
 electrode material : Structural, physical and electrochemical investigations</title>
<author><name sortKey="Dahbi, Mohammed" sort="Dahbi, Mohammed" uniqKey="Dahbi M" first="Mohammed" last="Dahbi">Mohammed Dahbi</name>
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Ni<sub>0.7</sub>
CO<sub>0.3</sub>
O<sub>2</sub>
 electrode material : Structural, physical and electrochemical investigations</title>
<author><name sortKey="Dahbi, Mohammed" sort="Dahbi, Mohammed" uniqKey="Dahbi M" first="Mohammed" last="Dahbi">Mohammed Dahbi</name>
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<author><name sortKey="Amarilla, J Manuel" sort="Amarilla, J Manuel" uniqKey="Amarilla J" first="J. Manuel" last="Amarilla">J. Manuel Amarilla</name>
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<sZ>3 aut.</sZ>
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<term>Discharge charge cycle</term>
<term>Electrical characteristic</term>
<term>Electrode material</term>
<term>Electrodes</term>
<term>Lamellar structure</term>
<term>Lattice parameters</term>
<term>Lithion ion batteries</term>
<term>Lithium Oxides</term>
<term>Magnetic properties</term>
<term>Magnetization</term>
<term>Nickel Oxides</term>
<term>Phase transformation</term>
<term>Property composition relationship</term>
<term>Secondary cell</term>
<term>Specific capacity</term>
<term>X ray diffraction</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Matériau électrode</term>
<term>Electrode</term>
<term>Relation composition propriété</term>
<term>Combustion</term>
<term>Propriété magnétique</term>
<term>Aimantation</term>
<term>Lithium Oxyde</term>
<term>Nickel Oxyde</term>
<term>Cobalt Oxyde</term>
<term>Cycle charge décharge</term>
<term>Diffraction RX</term>
<term>Capacité spécifique</term>
<term>Structure lamellaire</term>
<term>Transformation phase</term>
<term>Paramètre cristallin</term>
<term>Accumulateur électrochimique</term>
<term>Caractéristique électrique</term>
<term>Batterie lithium ion</term>
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<front><div type="abstract" xml:lang="en">The layered LiNi<sub>0.7</sub>
CO<sub>0.3</sub>
O<sub>2</sub>
 cathode material was synthesized by the combustion method using sucrose as fuel at 800 C for 1 h, which leads to homogeneous size distribution with sub-micron particle size. The characterization of this material was realized using X-ray diffraction, scanning electron microscopy and completed by magnetic measurements. The Rietveld refinement shows the presence of 2.6% extra nickel in the interslab space. The presence of nickel ions in the lithium layers was confirmed by magnetization measurements. The 90 Ni-O-Ni ferromagnetic coupling is the main magnetic interactions. Lithium extraction from this phase occurs without major structural modifications. Cycling tests have shown a very good cycling stability at various current rates. Furthermore, this material delivers high reversible capacity of about 150 mAh/g in the 2.8-4.4V range at the C/20.</div>
</front>
</TEI>
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<settlement><li>Marrakech</li>
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<tree><country name="Maroc"><region name="Marrakech-Tensift-Al Haouz"><name sortKey="Dahbi, Mohammed" sort="Dahbi, Mohammed" uniqKey="Dahbi M" first="Mohammed" last="Dahbi">Mohammed Dahbi</name>
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<name sortKey="Saadoune, Ismael" sort="Saadoune, Ismael" uniqKey="Saadoune I" first="Ismael" last="Saadoune">Ismael Saadoune</name>
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<country name="Espagne"><region name="Communauté de Madrid"><name sortKey="Amarilla, J Manuel" sort="Amarilla, J Manuel" uniqKey="Amarilla J" first="J. Manuel" last="Amarilla">J. Manuel Amarilla</name>
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LixNi0.7CO0.3O2 electrode material : Structural, physical and electrochemical investigations

LixNi0.7CO0.3O2 electrode material : Structural, physical and electrochemical investigations

Source :

Descripteurs français

English descriptors

Abstract

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

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri