Layered LiNi0.5Co0.5O2 cathode materials grown by soft-chemistry via various solution methods
Identifieur interne : 000308 ( France/Analysis ); précédent : 000307; suivant : 000309Layered LiNi0.5Co0.5O2 cathode materials grown by soft-chemistry via various solution methods
Auteurs : C. Julien [France] ; C. Letranchant [France] ; S. Rangan [France] ; M. Lemal [France] ; S. Ziolkiewicz [France] ; S. Castro-Garcia [Espagne] ; L. El-Farh [Maroc] ; M. Benkaddour [Maroc]Source :
- Materials science & engineering. B, Solid-state materials for advanced technology [ 0921-5107 ] ; 2000.
Descripteurs français
- Pascal (Inist)
- Batterie, Lithium Ion, Matériau électrode, Lithium Oxyde, Nickel Oxyde, Cobalt Oxyde, Structure lamellaire, Fabrication électrode, Solution aqueuse, Acide carboxylique, Séquestrant, Analyse thermique, Analyse thermique différentielle, Thermogravimétrie, Structure surface, Morphologie, Diffraction RX, Spectrométrie IR, Transformation Fourier, Caractéristique électrique, Cycle charge décharge, LiNi0,5Co0,5O2, Co Li Ni O.
English descriptors
- KwdEn :
- Aqueous solution, Battery, Carboxylic acid, Cobalt Oxides, Complexing agent, Differential thermal analysis, Discharge charge cycle, Electrical characteristic, Electrode material, Electrode production, Fourier transformation, Infrared spectrometry, Lamellar structure, Lithium Ions, Lithium Oxides, Morphology, Nickel Oxides, Surface structure, Thermal analysis, Thermogravimetry, X ray diffraction.
Abstract
The lithiated nickel-cobalt oxide LiNi0.5Co0.5O2 used as cathode material was grown at low-temperature using different aqueous solution methods. The wet chemistry involved the mixture of metal salts (acetates or nitrates) with various carboxylic acid-based aqueous solutions. Physicochemical and electrochemical properties of LiNi0.5Co0.5O2 products calcined at 400-600°C were extensively investigated. The four methods used involved complexing agents such as either citric, oxalic, aminoacetic (glycine), or succinic acid in aqueous medium which functioned as a fuel, decomposed the metal complexes at low temperature, and yielded the free impurity LiNi0.5Co0.5O2 compounds. Thermal (TG-DTA) analyses and XRD data show that powders grown with a layered structure (R3m space group) have been obtained at temperatures below 400°C by the acidification reaction of the aqueous solutions. The local structure of synthesized products was characterized by Fourier transform infrared (FTIR) spectroscopy. The electrochemical properties of the synthesized products were evaluated in rechargeable Li cells using a non-aqueous organic electrolyte (1 M LiClO4 in propylene carbonate, PC). The LiNi0.5Co0.5O2 positive electrodes fired at 600°C exhibited good cycling behavior.
Affiliations:
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Julien</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire des Milieux Désordonnés et Hétérogènes, UMR7603, Université Pierre et Marie Curie, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Paris</settlement></placeName><orgName type="university">Université Pierre-et-Marie-Curie</orgName></affiliation></author><author><name sortKey="Letranchant, C" sort="Letranchant, C" uniqKey="Letranchant C" first="C." last="Letranchant">C. Letranchant</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire des Milieux Désordonnés et Hétérogènes, UMR7603, Université Pierre et Marie Curie, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Paris</settlement></placeName><orgName type="university">Université Pierre-et-Marie-Curie</orgName></affiliation></author><author><name sortKey="Rangan, S" sort="Rangan, S" uniqKey="Rangan S" first="S." last="Rangan">S. Rangan</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire des Milieux Désordonnés et Hétérogènes, UMR7603, Université Pierre et Marie Curie, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Paris</settlement></placeName><orgName type="university">Université Pierre-et-Marie-Curie</orgName></affiliation></author><author><name sortKey="Lemal, M" sort="Lemal, M" uniqKey="Lemal M" first="M." last="Lemal">M. Lemal</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire des Milieux Désordonnés et Hétérogènes, UMR7603, Université Pierre et Marie Curie, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Paris</settlement></placeName><orgName type="university">Université Pierre-et-Marie-Curie</orgName></affiliation></author><author><name sortKey="Ziolkiewicz, S" sort="Ziolkiewicz, S" uniqKey="Ziolkiewicz S" first="S." last="Ziolkiewicz">S. Ziolkiewicz</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Laboratoire des Milieux Désordonnés et Hétérogènes, UMR7603, Université Pierre et Marie Curie, 4 place Jussieu</s1><s2>75252 Paris</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Paris</settlement></placeName><orgName type="university">Université Pierre-et-Marie-Curie</orgName></affiliation></author><author><name sortKey="Castro Garcia, S" sort="Castro Garcia, S" uniqKey="Castro Garcia S" first="S." last="Castro-Garcia">S. Castro-Garcia</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Departamento Quimica Fundamental e Industrial, Universidade A Coruna</s1><s2>15071 A Coruna</s2><s3>ESP</s3><sZ>6 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Galice</region></placeName></affiliation></author><author><name sortKey="El Farh, L" sort="El Farh, L" uniqKey="El Farh L" first="L." last="El-Farh">L. El-Farh</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Laboratoire d'Analyse et Caractérisation des Matériaux, Université Mohamed 1er, Faculté des Sciences</s1><s2>Oujda</s2><s3>MAR</s3><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Maroc</country><wicri:noRegion>Oujda</wicri:noRegion></affiliation></author><author><name sortKey="Benkaddour, M" sort="Benkaddour, M" uniqKey="Benkaddour M" first="M." last="Benkaddour">M. Benkaddour</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Laboratoire d'Analyse et Caractérisation des Matériaux, Université Mohamed 1er, Faculté des Sciences</s1><s2>Oujda</s2><s3>MAR</s3><sZ>7 aut.</sZ><sZ>8 aut.</sZ></inist:fA14><country>Maroc</country><wicri:noRegion>Oujda</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Materials science & engineering. B, Solid-state materials for advanced technology</title><title level="j" type="abbreviated">Mater. sci. eng., B, Solid-state mater. adv. technol.</title><idno type="ISSN">0921-5107</idno><imprint><date when="2000">2000</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Materials science & engineering. B, Solid-state materials for advanced technology</title><title level="j" type="abbreviated">Mater. sci. eng., B, Solid-state mater. adv. technol.</title><idno type="ISSN">0921-5107</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aqueous solution</term><term>Battery</term><term>Carboxylic acid</term><term>Cobalt Oxides</term><term>Complexing agent</term><term>Differential thermal analysis</term><term>Discharge charge cycle</term><term>Electrical characteristic</term><term>Electrode material</term><term>Electrode production</term><term>Fourier transformation</term><term>Infrared spectrometry</term><term>Lamellar structure</term><term>Lithium Ions</term><term>Lithium Oxides</term><term>Morphology</term><term>Nickel Oxides</term><term>Surface structure</term><term>Thermal analysis</term><term>Thermogravimetry</term><term>X ray diffraction</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Batterie</term><term>Lithium Ion</term><term>Matériau électrode</term><term>Lithium Oxyde</term><term>Nickel Oxyde</term><term>Cobalt Oxyde</term><term>Structure lamellaire</term><term>Fabrication électrode</term><term>Solution aqueuse</term><term>Acide carboxylique</term><term>Séquestrant</term><term>Analyse thermique</term><term>Analyse thermique différentielle</term><term>Thermogravimétrie</term><term>Structure surface</term><term>Morphologie</term><term>Diffraction RX</term><term>Spectrométrie IR</term><term>Transformation Fourier</term><term>Caractéristique électrique</term><term>Cycle charge décharge</term><term>LiNi0,5Co0,5O2</term><term>Co Li Ni O</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The lithiated nickel-cobalt oxide LiNi<sub>0.5</sub>Co<sub>0.5</sub>O<sub>2</sub> used as cathode material was grown at low-temperature using different aqueous solution methods. The wet chemistry involved the mixture of metal salts (acetates or nitrates) with various carboxylic acid-based aqueous solutions. Physicochemical and electrochemical properties of LiNi<sub>0.5</sub>Co<sub>0.5</sub>O<sub>2</sub> products calcined at 400-600°C were extensively investigated. The four methods used involved complexing agents such as either citric, oxalic, aminoacetic (glycine), or succinic acid in aqueous medium which functioned as a fuel, decomposed the metal complexes at low temperature, and yielded the free impurity LiNi<sub>0.5</sub>Co<sub>0.5</sub>O<sub>2</sub> compounds. Thermal (TG-DTA) analyses and XRD data show that powders grown with a layered structure (R3m space group) have been obtained at temperatures below 400°C by the acidification reaction of the aqueous solutions. The local structure of synthesized products was characterized by Fourier transform infrared (FTIR) spectroscopy. The electrochemical properties of the synthesized products were evaluated in rechargeable Li cells using a non-aqueous organic electrolyte (1 M LiClO<sub>4</sub> in propylene carbonate, PC). The LiNi<sub>0.5</sub>Co<sub>0.5</sub>O<sub>2</sub> positive electrodes fired at 600°C exhibited good cycling behavior.</div></front></TEI><affiliations><list><country><li>Espagne</li><li>France</li><li>Maroc</li></country><region><li>Galice</li><li>Île-de-France</li></region><settlement><li>Paris</li></settlement><orgName><li>Université Pierre-et-Marie-Curie</li></orgName></list><tree><country name="France"><region name="Île-de-France"><name sortKey="Julien, C" sort="Julien, C" uniqKey="Julien C" first="C." last="Julien">C. Julien</name></region><name sortKey="Lemal, M" sort="Lemal, M" uniqKey="Lemal M" first="M." last="Lemal">M. Lemal</name><name sortKey="Letranchant, C" sort="Letranchant, C" uniqKey="Letranchant C" first="C." last="Letranchant">C. Letranchant</name><name sortKey="Rangan, S" sort="Rangan, S" uniqKey="Rangan S" first="S." last="Rangan">S. Rangan</name><name sortKey="Ziolkiewicz, S" sort="Ziolkiewicz, S" uniqKey="Ziolkiewicz S" first="S." last="Ziolkiewicz">S. Ziolkiewicz</name></country><country name="Espagne"><region name="Galice"><name sortKey="Castro Garcia, S" sort="Castro Garcia, S" uniqKey="Castro Garcia S" first="S." last="Castro-Garcia">S. Castro-Garcia</name></region></country><country name="Maroc"><noRegion><name sortKey="El Farh, L" sort="El Farh, L" uniqKey="El Farh L" first="L." last="El-Farh">L. El-Farh</name></noRegion><name sortKey="Benkaddour, M" sort="Benkaddour, M" uniqKey="Benkaddour M" first="M." last="Benkaddour">M. Benkaddour</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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