CobaltMaghrebV1, PascalFrancis, Corpus, bibRecord, 000265

On the metastable O2-type LiCoO2

Identifieur interne : 000265 ( PascalFrancis/Corpus ); précédent : 000264; suivant : 000266

On the metastable O2-type LiCoO2

Auteurs : D. Carlier ; I. Saadoune ; L. Croguennec ; M. Menetrier ; E. Suard ; C. Delmas

Source :

Solid state ionics [ 0167-2738 ] ; 2001.

RBID : Pascal:02-0021500

Descripteurs français

Pascal (Inist)
- Structure cristalline, Phase métastable, Affinement, Diffraction neutron, Stoechiométrie, Angle magique, RMN, Traitement thermique, Microstructure, Echange ion, Microscopie électronique balayage, Mode empilement, Propriété électrochimique, Désinsertion, Cristal lamellaire, Lithium oxyde, Cobalt oxyde, Composé ternaire, Etude expérimentale, LiCoO2, Co Li O, 6166F, 7660.

English descriptors

KwdEn :
- Cobalt oxides, Crystal structure, Desinsertion, Electrochemical properties, Experimental study, Heat treatments, Ion exchange, Layered crystals, Lithium oxides, Magic angle, Metastable phases, Microstructure, NMR, Neutron diffraction, Refinement, Scanning electron microscopy, Stacking sequence, Stoichiometry, Ternary compounds.

Abstract

The exchange of sodium for lithium in P2-Na_0.70CoO₂ leads to an unusual O2-LiCoO₂ variety. Rietveld refinement of the neutron diffraction pattern of the O2-LiCoO₂ phase confirms the stoichiometry and the structural parameters previously reported and shows that the strong Li +-Co3^-+ electrostatic repulsion occurring through the common face of the CoO₆ and LiO₆ octahedra leads to small displacements of the lithium and cobalt ions from the center of their octahedra. Magnetic measurements and ⁷Li MAS NMR confirm a composition very close to the ideal one for the 02 phase. The O2-LiCoO₂ phase is metastable and transforms to well-crystallized O3-LiCoO₂ upon heating. Even at intermediate temperatures, the formation of LT-LiCoO₂ phase is never observed. Various morphologies are obtained for the O3-LiCoO₂ phases, depending on the thermal treatment used. A preliminary electrochemical study shows that almost all the lithium ions can be reversibly deintercalated from the O2-LiCoO₂ phase.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 0167-2738`
A02	`01`			`@0 SSIOD3`
A03		`1`		`@0 Solid state ion.`
A05				`@2 144`
A06				`@2 3-4`
A08	`01`	`1`	`ENG`	`@1 On the metastable O2-type LiCoO₂`
A11	`01`	`1`		`@1 CARLIER (D.)`
A11	`02`	`1`		`@1 SAADOUNE (I.)`
A11	`03`	`1`		`@1 CROGUENNEC (L.)`
A11	`04`	`1`		`@1 MENETRIER (M.)`
A11	`05`	`1`		`@1 SUARD (E.)`
A11	`06`	`1`		`@1 DELMAS (C.)`
A14	`01`			`@1 Institut de Chimie de la Matière Condensée de Bordeaux, CNRS and Ecole Nationale Supérieure de Chimie et Physique de Bordeaux, Château de Bivazac, 87 au Dr A. Schweitzer @2 33608 Pessac @3 FRA @Z 1 aut. @Z 2 aut. @Z 3 aut. @Z 4 aut. @Z 6 aut.`
A14	`02`			`@1 Département de Chimie, Faculté des Sciences et Techniques, Av. Abdelkrim El Khattabi, B.P. 618 @2 40 000 Marrakech @3 MAR @Z 2 aut.`
A14	`03`			`@1 Institut Laue-Langevin, rue des Martyrs, B.P. 156X @2 38042 Grenoble @3 FRA @Z 5 aut.`
A20				`@1 263-276`
A21				`@1 2001`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 18305 @5 354000100036070080`
A44				`@0 0000 @1 © 2002 INIST-CNRS. All rights reserved.`
A47	`01`	`1`		`@0 02-0021500`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Solid state ionics`
A66	`01`			`@0 NLD`
C01	`01`		`ENG`	@0 The exchange of sodium for lithium in P2-Na_0.70CoO₂ leads to an unusual O2-LiCoO₂ variety. Rietveld refinement of the neutron diffraction pattern of the O2-LiCoO₂ phase confirms the stoichiometry and the structural parameters previously reported and shows that the strong Li +-Co3^-+ electrostatic repulsion occurring through the common face of the CoO₆ and LiO₆ octahedra leads to small displacements of the lithium and cobalt ions from the center of their octahedra. Magnetic measurements and ⁷Li MAS NMR confirm a composition very close to the ideal one for the 02 phase. The O2-LiCoO₂ phase is metastable and transforms to well-crystallized O3-LiCoO₂ upon heating. Even at intermediate temperatures, the formation of LT-LiCoO₂ phase is never observed. Various morphologies are obtained for the O3-LiCoO₂ phases, depending on the thermal treatment used. A preliminary electrochemical study shows that almost all the lithium ions can be reversibly deintercalated from the O2-LiCoO₂ phase.
C02	`01`	`3`		`@0 001B60A66F`
C02	`02`	`3`		`@0 001B70F60`
C03	`01`	`3`	`FRE`	`@0 Structure cristalline @5 01`
C03	`01`	`3`	`ENG`	`@0 Crystal structure @5 01`
C03	`02`	`3`	`FRE`	`@0 Phase métastable @5 02`
C03	`02`	`3`	`ENG`	`@0 Metastable phases @5 02`
C03	`03`	`X`	`FRE`	`@0 Affinement @5 03`
C03	`03`	`X`	`ENG`	`@0 Refinement @5 03`
C03	`03`	`X`	`SPA`	`@0 Afinamiento @5 03`
C03	`04`	`3`	`FRE`	`@0 Diffraction neutron @5 04`
C03	`04`	`3`	`ENG`	`@0 Neutron diffraction @5 04`
C03	`05`	`3`	`FRE`	`@0 Stoechiométrie @5 05`
C03	`05`	`3`	`ENG`	`@0 Stoichiometry @5 05`
C03	`06`	`X`	`FRE`	`@0 Angle magique @5 06`
C03	`06`	`X`	`ENG`	`@0 Magic angle @5 06`
C03	`06`	`X`	`SPA`	`@0 Angulo mágico @5 06`
C03	`07`	`3`	`FRE`	`@0 RMN @5 07`
C03	`07`	`3`	`ENG`	`@0 NMR @5 07`
C03	`08`	`3`	`FRE`	`@0 Traitement thermique @5 08`
C03	`08`	`3`	`ENG`	`@0 Heat treatments @5 08`
C03	`09`	`3`	`FRE`	`@0 Microstructure @5 09`
C03	`09`	`3`	`ENG`	`@0 Microstructure @5 09`
C03	`10`	`3`	`FRE`	`@0 Echange ion @5 10`
C03	`10`	`3`	`ENG`	`@0 Ion exchange @5 10`
C03	`11`	`3`	`FRE`	`@0 Microscopie électronique balayage @5 11`
C03	`11`	`3`	`ENG`	`@0 Scanning electron microscopy @5 11`
C03	`12`	`X`	`FRE`	`@0 Mode empilement @5 12`
C03	`12`	`X`	`ENG`	`@0 Stacking sequence @5 12`
C03	`12`	`X`	`SPA`	`@0 Modo apilamiento @5 12`
C03	`13`	`X`	`FRE`	`@0 Propriété électrochimique @5 13`
C03	`13`	`X`	`ENG`	`@0 Electrochemical properties @5 13`
C03	`13`	`X`	`SPA`	`@0 Propiedad electroquímica @5 13`
C03	`14`	`X`	`FRE`	`@0 Désinsertion @5 14`
C03	`14`	`X`	`ENG`	`@0 Desinsertion @5 14`
C03	`14`	`X`	`SPA`	`@0 Desinserción @5 14`
C03	`15`	`3`	`FRE`	`@0 Cristal lamellaire @5 15`
C03	`15`	`3`	`ENG`	`@0 Layered crystals @5 15`
C03	`16`	`3`	`FRE`	`@0 Lithium oxyde @2 NK @5 16`
C03	`16`	`3`	`ENG`	`@0 Lithium oxides @2 NK @5 16`
C03	`17`	`3`	`FRE`	`@0 Cobalt oxyde @2 NK @5 17`
C03	`17`	`3`	`ENG`	`@0 Cobalt oxides @2 NK @5 17`
C03	`18`	`3`	`FRE`	`@0 Composé ternaire @5 18`
C03	`18`	`3`	`ENG`	`@0 Ternary compounds @5 18`
C03	`19`	`3`	`FRE`	`@0 Etude expérimentale @5 19`
C03	`19`	`3`	`ENG`	`@0 Experimental study @5 19`
C03	`20`	`3`	`FRE`	`@0 LiCoO2 @4 INC @5 53`
C03	`21`	`3`	`FRE`	`@0 Co Li O @4 INC @5 54`
C03	`22`	`3`	`FRE`	`@0 6166F @2 PAC @4 INC @5 56`
C03	`23`	`3`	`FRE`	`@0 7660 @2 PAC @4 INC @5 57`
C07	`01`	`3`	`FRE`	`@0 Métal transition composé @5 48`
C07	`01`	`3`	`ENG`	`@0 Transition element compounds @5 48`
C07	`02`	`3`	`FRE`	`@0 Composé minéral @5 49`
C07	`02`	`3`	`ENG`	`@0 Inorganic compounds @5 49`
N21				`@1 007`

Format Inist (serveur)

NO :	PASCAL 02-0021500 INIST
ET :	On the metastable O2-type LiCoO₂
AU :	CARLIER (D.); SAADOUNE (I.); CROGUENNEC (L.); MENETRIER (M.); SUARD (E.); DELMAS (C.)
AF :	Institut de Chimie de la Matière Condensée de Bordeaux, CNRS and Ecole Nationale Supérieure de Chimie et Physique de Bordeaux, Château de Bivazac, 87 au Dr A. Schweitzer/33608 Pessac/France (1 aut., 2 aut., 3 aut., 4 aut., 6 aut.); Département de Chimie, Faculté des Sciences et Techniques, Av. Abdelkrim El Khattabi, B.P. 618/40 000 Marrakech/Maroc (2 aut.); Institut Laue-Langevin, rue des Martyrs, B.P. 156X/38042 Grenoble/France (5 aut.)
DT :	Publication en série; Niveau analytique
SO :	Solid state ionics; ISSN 0167-2738; Coden SSIOD3; Pays-Bas; Da. 2001; Vol. 144; No. 3-4; Pp. 263-276
LA :	Anglais
EA :	The exchange of sodium for lithium in P2-Na_0.70CoO₂ leads to an unusual O2-LiCoO₂ variety. Rietveld refinement of the neutron diffraction pattern of the O2-LiCoO₂ phase confirms the stoichiometry and the structural parameters previously reported and shows that the strong Li +-Co3^-+ electrostatic repulsion occurring through the common face of the CoO₆ and LiO₆ octahedra leads to small displacements of the lithium and cobalt ions from the center of their octahedra. Magnetic measurements and ⁷Li MAS NMR confirm a composition very close to the ideal one for the 02 phase. The O2-LiCoO₂ phase is metastable and transforms to well-crystallized O3-LiCoO₂ upon heating. Even at intermediate temperatures, the formation of LT-LiCoO₂ phase is never observed. Various morphologies are obtained for the O3-LiCoO₂ phases, depending on the thermal treatment used. A preliminary electrochemical study shows that almost all the lithium ions can be reversibly deintercalated from the O2-LiCoO₂ phase.
CC :	001B60A66F; 001B70F60
FD :	Structure cristalline; Phase métastable; Affinement; Diffraction neutron; Stoechiométrie; Angle magique; RMN; Traitement thermique; Microstructure; Echange ion; Microscopie électronique balayage; Mode empilement; Propriété électrochimique; Désinsertion; Cristal lamellaire; Lithium oxyde; Cobalt oxyde; Composé ternaire; Etude expérimentale; LiCoO2; Co Li O; 6166F; 7660
FG :	Métal transition composé; Composé minéral
ED :	Crystal structure; Metastable phases; Refinement; Neutron diffraction; Stoichiometry; Magic angle; NMR; Heat treatments; Microstructure; Ion exchange; Scanning electron microscopy; Stacking sequence; Electrochemical properties; Desinsertion; Layered crystals; Lithium oxides; Cobalt oxides; Ternary compounds; Experimental study
EG :	Transition element compounds; Inorganic compounds
SD :	Afinamiento; Angulo mágico; Modo apilamiento; Propiedad electroquímica; Desinserción
LO :	INIST-18305.354000100036070080
ID :	02-0021500

Links to Exploration step

Pascal:02-0021500

Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cobalt oxides</term>
<term>Crystal structure</term>
<term>Desinsertion</term>
<term>Electrochemical properties</term>
<term>Experimental study</term>
<term>Heat treatments</term>
<term>Ion exchange</term>
<term>Layered crystals</term>
<term>Lithium oxides</term>
<term>Magic angle</term>
<term>Metastable phases</term>
<term>Microstructure</term>
<term>NMR</term>
<term>Neutron diffraction</term>
<term>Refinement</term>
<term>Scanning electron microscopy</term>
<term>Stacking sequence</term>
<term>Stoichiometry</term>
<term>Ternary compounds</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Structure cristalline</term>
<term>Phase métastable</term>
<term>Affinement</term>
<term>Diffraction neutron</term>
<term>Stoechiométrie</term>
<term>Angle magique</term>
<term>RMN</term>
<term>Traitement thermique</term>
<term>Microstructure</term>
<term>Echange ion</term>
<term>Microscopie électronique balayage</term>
<term>Mode empilement</term>
<term>Propriété électrochimique</term>
<term>Désinsertion</term>
<term>Cristal lamellaire</term>
<term>Lithium oxyde</term>
<term>Cobalt oxyde</term>
<term>Composé ternaire</term>
<term>Etude expérimentale</term>
<term>LiCoO2</term>
<term>Co Li O</term>
<term>6166F</term>
<term>7660</term>
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<front><div type="abstract" xml:lang="en">The exchange of sodium for lithium in P2-Na<sub>0.70</sub>
CoO<sub>2</sub>
 leads to an unusual O2-LiCoO<sub>2</sub>
 variety. Rietveld refinement of the neutron diffraction pattern of the O2-LiCoO<sub>2</sub>
 phase confirms the stoichiometry and the structural parameters previously reported and shows that the strong Li +-Co3<sup>-+</sup>
 electrostatic repulsion occurring through the common face of the CoO<sub>6</sub>
 and LiO<sub>6</sub>
 octahedra leads to small displacements of the lithium and cobalt ions from the center of their octahedra. Magnetic measurements and <sup>7</sup>
Li MAS NMR confirm a composition very close to the ideal one for the 02 phase. The O2-LiCoO<sub>2</sub>
 phase is metastable and transforms to well-crystallized O3-LiCoO<sub>2</sub>
 upon heating. Even at intermediate temperatures, the formation of LT-LiCoO<sub>2</sub>
 phase is never observed. Various morphologies are obtained for the O3-LiCoO<sub>2</sub>
 phases, depending on the thermal treatment used. A preliminary electrochemical study shows that almost all the lithium ions can be reversibly deintercalated from the O2-LiCoO<sub>2</sub>
 phase.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0167-2738</s0>
</fA01>
<fA02 i1="01"><s0>SSIOD3</s0>
</fA02>
<fA03 i2="1"><s0>Solid state ion.</s0>
</fA03>
<fA05><s2>144</s2>
</fA05>
<fA06><s2>3-4</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>On the metastable O2-type LiCoO<sub>2</sub>
</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>CARLIER (D.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>SAADOUNE (I.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>CROGUENNEC (L.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>MENETRIER (M.)</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>SUARD (E.)</s1>
</fA11>
<fA11 i1="06" i2="1"><s1>DELMAS (C.)</s1>
</fA11>
<fA14 i1="01"><s1>Institut de Chimie de la Matière Condensée de Bordeaux, CNRS and Ecole Nationale Supérieure de Chimie et Physique de Bordeaux, Château de Bivazac, 87 au Dr A. Schweitzer</s1>
<s2>33608 Pessac</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Département de Chimie, Faculté des Sciences et Techniques, Av. Abdelkrim El Khattabi, B.P. 618</s1>
<s2>40 000 Marrakech</s2>
<s3>MAR</s3>
<sZ>2 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Institut Laue-Langevin, rue des Martyrs, B.P. 156X</s1>
<s2>38042 Grenoble</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
</fA14>
<fA20><s1>263-276</s1>
</fA20>
<fA21><s1>2001</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>18305</s2>
<s5>354000100036070080</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2002 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA47 i1="01" i2="1"><s0>02-0021500</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Solid state ionics</s0>
</fA64>
<fA66 i1="01"><s0>NLD</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>The exchange of sodium for lithium in P2-Na<sub>0.70</sub>
CoO<sub>2</sub>
 leads to an unusual O2-LiCoO<sub>2</sub>
 variety. Rietveld refinement of the neutron diffraction pattern of the O2-LiCoO<sub>2</sub>
 phase confirms the stoichiometry and the structural parameters previously reported and shows that the strong Li +-Co3<sup>-+</sup>
 electrostatic repulsion occurring through the common face of the CoO<sub>6</sub>
 and LiO<sub>6</sub>
 octahedra leads to small displacements of the lithium and cobalt ions from the center of their octahedra. Magnetic measurements and <sup>7</sup>
Li MAS NMR confirm a composition very close to the ideal one for the 02 phase. The O2-LiCoO<sub>2</sub>
 phase is metastable and transforms to well-crystallized O3-LiCoO<sub>2</sub>
 upon heating. Even at intermediate temperatures, the formation of LT-LiCoO<sub>2</sub>
 phase is never observed. Various morphologies are obtained for the O3-LiCoO<sub>2</sub>
 phases, depending on the thermal treatment used. A preliminary electrochemical study shows that almost all the lithium ions can be reversibly deintercalated from the O2-LiCoO<sub>2</sub>
 phase.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001B60A66F</s0>
</fC02>
<fC02 i1="02" i2="3"><s0>001B70F60</s0>
</fC02>
<fC03 i1="01" i2="3" l="FRE"><s0>Structure cristalline</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="3" l="ENG"><s0>Crystal structure</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="3" l="FRE"><s0>Phase métastable</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="3" l="ENG"><s0>Metastable phases</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Affinement</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Refinement</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Afinamiento</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="3" l="FRE"><s0>Diffraction neutron</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="3" l="ENG"><s0>Neutron diffraction</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="3" l="FRE"><s0>Stoechiométrie</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="3" l="ENG"><s0>Stoichiometry</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Angle magique</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Magic angle</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Angulo mágico</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="3" l="FRE"><s0>RMN</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="3" l="ENG"><s0>NMR</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="3" l="FRE"><s0>Traitement thermique</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="3" l="ENG"><s0>Heat treatments</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="3" l="FRE"><s0>Microstructure</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="3" l="ENG"><s0>Microstructure</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="3" l="FRE"><s0>Echange ion</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="3" l="ENG"><s0>Ion exchange</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="3" l="FRE"><s0>Microscopie électronique balayage</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="3" l="ENG"><s0>Scanning electron microscopy</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Mode empilement</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Stacking sequence</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Modo apilamiento</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="X" l="FRE"><s0>Propriété électrochimique</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="ENG"><s0>Electrochemical properties</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="X" l="SPA"><s0>Propiedad electroquímica</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="X" l="FRE"><s0>Désinsertion</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="ENG"><s0>Desinsertion</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="X" l="SPA"><s0>Desinserción</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="3" l="FRE"><s0>Cristal lamellaire</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="3" l="ENG"><s0>Layered crystals</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="3" l="FRE"><s0>Lithium oxyde</s0>
<s2>NK</s2>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="3" l="ENG"><s0>Lithium oxides</s0>
<s2>NK</s2>
<s5>16</s5>
</fC03>
<fC03 i1="17" i2="3" l="FRE"><s0>Cobalt oxyde</s0>
<s2>NK</s2>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="3" l="ENG"><s0>Cobalt oxides</s0>
<s2>NK</s2>
<s5>17</s5>
</fC03>
<fC03 i1="18" i2="3" l="FRE"><s0>Composé ternaire</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="3" l="ENG"><s0>Ternary compounds</s0>
<s5>18</s5>
</fC03>
<fC03 i1="19" i2="3" l="FRE"><s0>Etude expérimentale</s0>
<s5>19</s5>
</fC03>
<fC03 i1="19" i2="3" l="ENG"><s0>Experimental study</s0>
<s5>19</s5>
</fC03>
<fC03 i1="20" i2="3" l="FRE"><s0>LiCoO2</s0>
<s4>INC</s4>
<s5>53</s5>
</fC03>
<fC03 i1="21" i2="3" l="FRE"><s0>Co Li O</s0>
<s4>INC</s4>
<s5>54</s5>
</fC03>
<fC03 i1="22" i2="3" l="FRE"><s0>6166F</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>56</s5>
</fC03>
<fC03 i1="23" i2="3" l="FRE"><s0>7660</s0>
<s2>PAC</s2>
<s4>INC</s4>
<s5>57</s5>
</fC03>
<fC07 i1="01" i2="3" l="FRE"><s0>Métal transition composé</s0>
<s5>48</s5>
</fC07>
<fC07 i1="01" i2="3" l="ENG"><s0>Transition element compounds</s0>
<s5>48</s5>
</fC07>
<fC07 i1="02" i2="3" l="FRE"><s0>Composé minéral</s0>
<s5>49</s5>
</fC07>
<fC07 i1="02" i2="3" l="ENG"><s0>Inorganic compounds</s0>
<s5>49</s5>
</fC07>
<fN21><s1>007</s1>
</fN21>
</pA>
</standard>
<server><NO>PASCAL 02-0021500 INIST</NO>
<ET>On the metastable O2-type LiCoO<sub>2</sub>
</ET>
<AU>CARLIER (D.); SAADOUNE (I.); CROGUENNEC (L.); MENETRIER (M.); SUARD (E.); DELMAS (C.)</AU>
<AF>Institut de Chimie de la Matière Condensée de Bordeaux, CNRS and Ecole Nationale Supérieure de Chimie et Physique de Bordeaux, Château de Bivazac, 87 au Dr A. Schweitzer/33608 Pessac/France (1 aut., 2 aut., 3 aut., 4 aut., 6 aut.); Département de Chimie, Faculté des Sciences et Techniques, Av. Abdelkrim El Khattabi, B.P. 618/40 000 Marrakech/Maroc (2 aut.); Institut Laue-Langevin, rue des Martyrs, B.P. 156X/38042 Grenoble/France (5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Solid state ionics; ISSN 0167-2738; Coden SSIOD3; Pays-Bas; Da. 2001; Vol. 144; No. 3-4; Pp. 263-276</SO>
<LA>Anglais</LA>
<EA>The exchange of sodium for lithium in P2-Na<sub>0.70</sub>
CoO<sub>2</sub>
 leads to an unusual O2-LiCoO<sub>2</sub>
 variety. Rietveld refinement of the neutron diffraction pattern of the O2-LiCoO<sub>2</sub>
 phase confirms the stoichiometry and the structural parameters previously reported and shows that the strong Li +-Co3<sup>-+</sup>
 electrostatic repulsion occurring through the common face of the CoO<sub>6</sub>
 and LiO<sub>6</sub>
 octahedra leads to small displacements of the lithium and cobalt ions from the center of their octahedra. Magnetic measurements and <sup>7</sup>
Li MAS NMR confirm a composition very close to the ideal one for the 02 phase. The O2-LiCoO<sub>2</sub>
 phase is metastable and transforms to well-crystallized O3-LiCoO<sub>2</sub>
 upon heating. Even at intermediate temperatures, the formation of LT-LiCoO<sub>2</sub>
 phase is never observed. Various morphologies are obtained for the O3-LiCoO<sub>2</sub>
 phases, depending on the thermal treatment used. A preliminary electrochemical study shows that almost all the lithium ions can be reversibly deintercalated from the O2-LiCoO<sub>2</sub>
 phase.</EA>
<CC>001B60A66F; 001B70F60</CC>
<FD>Structure cristalline; Phase métastable; Affinement; Diffraction neutron; Stoechiométrie; Angle magique; RMN; Traitement thermique; Microstructure; Echange ion; Microscopie électronique balayage; Mode empilement; Propriété électrochimique; Désinsertion; Cristal lamellaire; Lithium oxyde; Cobalt oxyde; Composé ternaire; Etude expérimentale; LiCoO2; Co Li O; 6166F; 7660</FD>
<FG>Métal transition composé; Composé minéral</FG>
<ED>Crystal structure; Metastable phases; Refinement; Neutron diffraction; Stoichiometry; Magic angle; NMR; Heat treatments; Microstructure; Ion exchange; Scanning electron microscopy; Stacking sequence; Electrochemical properties; Desinsertion; Layered crystals; Lithium oxides; Cobalt oxides; Ternary compounds; Experimental study</ED>
<EG>Transition element compounds; Inorganic compounds</EG>
<SD>Afinamiento; Angulo mágico; Modo apilamiento; Propiedad electroquímica; Desinserción</SD>
<LO>INIST-18305.354000100036070080</LO>
<ID>02-0021500</ID>
</server>
</inist>
</record>

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On the metastable O2-type LiCoO2

On the metastable O2-type LiCoO2

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