CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000056

LiNi0.1Mn0.1Co0.8O2 electrode material: Structural changes upon lithium electrochemical extraction

Identifieur interne : 000056 ( Maroc/Analysis ); précédent : 000055; suivant : 000057

LiNi0.1Mn0.1Co0.8O2 electrode material: Structural changes upon lithium electrochemical extraction

Auteurs : Ismael Saadoune [Maroc] ; Mohamed Labrini [Maroc] ; Mustapha Yahya [Maroc] ; Abdelmajid Almaggoussi [Maroc] ; Helmut Ehrenberg [Allemagne]

Source :

Electrochimica acta [ 0013-4686 ] ; 2010.

RBID : Pascal:10-0384190

Descripteurs français

Pascal (Inist)
- Matériau électrode, Lithium Oxyde, Structure lamellaire, Cobalt Oxyde, Nickel Oxyde, Manganèse Oxyde, Composé n éléments, Diffraction RX, Accumulateur électrochimique, Batterie lithium ion.

English descriptors

KwdEn :
- Cobalt Oxides, Electrode material, Lamellar structure, Lithion ion batteries, Lithium Oxides, Manganese Oxides, Multi-element compound, Nickel Oxides, Secondary cell, X ray diffraction.

Abstract

We reported here on the synthesis, the crystal structure and the study of the structural changes during the electrochemical cycling of layered LiNi_0.1Mn_0.1Co_0.8O₂ positive electrode material. Rietveld refinement analysis shows that this material exhibits almost an ideal α-NaFeO₂ structure with practically no lithium-nickel disorder. The SQUID measurements confirm this structural result and evidenced that this material consists of Ni²⁺, Mn⁴⁺ and Co³⁺ ions. Unlike LiNiO₂ and LiCoO₂ conventional electrode materials, there was no structural modification upon lithium removal in the whole 0.42 ≤x≤1.0 studied composition range. The peaks revealed in the incremental capacity curve were attributed to the successive oxidation of Ni²⁺ and Co³⁺ while Mn⁴⁺ remains electrochemically inactive.

Affiliations:

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Pascal:10-0384190

Le document en format XML

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Mn<sub>0.1</sub>
Co<sub>0.8</sub>
O<sub>2</sub>
 electrode material: Structural changes upon lithium electrochemical extraction</title>
<author><name sortKey="Saadoune, Ismael" sort="Saadoune, Ismael" uniqKey="Saadoune I" first="Ismael" last="Saadoune">Ismael Saadoune</name>
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<author><name sortKey="Ehrenberg, Helmut" sort="Ehrenberg, Helmut" uniqKey="Ehrenberg H" first="Helmut" last="Ehrenberg">Helmut Ehrenberg</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">LiNi<sub>0.1</sub>
Mn<sub>0.1</sub>
Co<sub>0.8</sub>
O<sub>2</sub>
 electrode material: Structural changes upon lithium electrochemical extraction</title>
<author><name sortKey="Saadoune, Ismael" sort="Saadoune, Ismael" uniqKey="Saadoune I" first="Ismael" last="Saadoune">Ismael Saadoune</name>
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<country>Maroc</country>
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</affiliation>
</author>
<author><name sortKey="Labrini, Mohamed" sort="Labrini, Mohamed" uniqKey="Labrini M" first="Mohamed" last="Labrini">Mohamed Labrini</name>
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<author><name sortKey="Yahya, Mustapha" sort="Yahya, Mustapha" uniqKey="Yahya M" first="Mustapha" last="Yahya">Mustapha Yahya</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>ECME, FST Marrakech, University Cadi Ayyad, BP549, Av. A. Khattabi</s1>
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<s3>MAR</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
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<country>Maroc</country>
<placeName><settlement type="city">Marrakech</settlement>
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<author><name sortKey="Almaggoussi, Abdelmajid" sort="Almaggoussi, Abdelmajid" uniqKey="Almaggoussi A" first="Abdelmajid" last="Almaggoussi">Abdelmajid Almaggoussi</name>
<affiliation wicri:level="3"><inist:fA14 i1="02"><s1>EEMO, FST Marrakech, University Cadi Ayyad, BP549, Av. A. Khattabi</s1>
<s2>Marrakech</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
</inist:fA14>
<country>Maroc</country>
<placeName><settlement type="city">Marrakech</settlement>
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</placeName>
</affiliation>
</author>
<author><name sortKey="Ehrenberg, Helmut" sort="Ehrenberg, Helmut" uniqKey="Ehrenberg H" first="Helmut" last="Ehrenberg">Helmut Ehrenberg</name>
<affiliation wicri:level="3"><inist:fA14 i1="03"><s1>IFW Dresden, Institute for Complex Materials, Helmholtzstr. 20</s1>
<s2>01069 Dresden</s2>
<s3>DEU</s3>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Allemagne</country>
<placeName><region type="land" nuts="1">Saxe (Land)</region>
<region type="district" nuts="2">District de Dresde</region>
<settlement type="city">Dresde</settlement>
</placeName>
</affiliation>
</author>
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<series><title level="j" type="main">Electrochimica acta</title>
<title level="j" type="abbreviated">Electrochim. acta</title>
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<imprint><date when="2010">2010</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt Oxides</term>
<term>Electrode material</term>
<term>Lamellar structure</term>
<term>Lithion ion batteries</term>
<term>Lithium Oxides</term>
<term>Manganese Oxides</term>
<term>Multi-element compound</term>
<term>Nickel Oxides</term>
<term>Secondary cell</term>
<term>X ray diffraction</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Matériau électrode</term>
<term>Lithium Oxyde</term>
<term>Structure lamellaire</term>
<term>Cobalt Oxyde</term>
<term>Nickel Oxyde</term>
<term>Manganèse Oxyde</term>
<term>Composé n éléments</term>
<term>Diffraction RX</term>
<term>Accumulateur électrochimique</term>
<term>Batterie lithium ion</term>
</keywords>
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<front><div type="abstract" xml:lang="en">We reported here on the synthesis, the crystal structure and the study of the structural changes during the electrochemical cycling of layered LiNi<sub>0.1</sub>
Mn<sub>0.1</sub>
Co<sub>0.8</sub>
O<sub>2</sub>
 positive electrode material. Rietveld refinement analysis shows that this material exhibits almost an ideal α-NaFeO<sub>2</sub>
 structure with practically no lithium-nickel disorder. The SQUID measurements confirm this structural result and evidenced that this material consists of Ni<sup>2+</sup>
, Mn<sup>4+</sup>
 and Co<sup>3+</sup>
 ions. Unlike LiNiO<sub>2</sub>
 and LiCoO<sub>2</sub>
 conventional electrode materials, there was no structural modification upon lithium removal in the whole 0.42 ≤x≤1.0 studied composition range. The peaks revealed in the incremental capacity curve were attributed to the successive oxidation of Ni<sup>2+</sup>
 and Co<sup>3+</sup>
 while Mn<sup>4+</sup>
 remains electrochemically inactive.</div>
</front>
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<region><li>District de Dresde</li>
<li>Marrakech-Tensift-Al Haouz</li>
<li>Saxe (Land)</li>
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<tree><country name="Maroc"><region name="Marrakech-Tensift-Al Haouz"><name sortKey="Saadoune, Ismael" sort="Saadoune, Ismael" uniqKey="Saadoune I" first="Ismael" last="Saadoune">Ismael Saadoune</name>
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<name sortKey="Almaggoussi, Abdelmajid" sort="Almaggoussi, Abdelmajid" uniqKey="Almaggoussi A" first="Abdelmajid" last="Almaggoussi">Abdelmajid Almaggoussi</name>
<name sortKey="Labrini, Mohamed" sort="Labrini, Mohamed" uniqKey="Labrini M" first="Mohamed" last="Labrini">Mohamed Labrini</name>
<name sortKey="Labrini, Mohamed" sort="Labrini, Mohamed" uniqKey="Labrini M" first="Mohamed" last="Labrini">Mohamed Labrini</name>
<name sortKey="Yahya, Mustapha" sort="Yahya, Mustapha" uniqKey="Yahya M" first="Mustapha" last="Yahya">Mustapha Yahya</name>
<name sortKey="Yahya, Mustapha" sort="Yahya, Mustapha" uniqKey="Yahya M" first="Mustapha" last="Yahya">Mustapha Yahya</name>
</country>
<country name="Allemagne"><region name="Saxe (Land)"><name sortKey="Ehrenberg, Helmut" sort="Ehrenberg, Helmut" uniqKey="Ehrenberg H" first="Helmut" last="Ehrenberg">Helmut Ehrenberg</name>
</region>
</country>
</tree>
</affiliations>
</record>

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LiNi0.1Mn0.1Co0.8O2 electrode material: Structural changes upon lithium electrochemical extraction

LiNi0.1Mn0.1Co0.8O2 electrode material: Structural changes upon lithium electrochemical extraction

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