Low temperature synthesis of LiCr0.3Co0.7O2 intercalation compounds using citrate, oxalate, succinate, and glycinate precursors
Identifieur interne : 000A59 ( Main/Curation ); précédent : 000A58; suivant : 000A60Low temperature synthesis of LiCr0.3Co0.7O2 intercalation compounds using citrate, oxalate, succinate, and glycinate precursors
Auteurs : N. Amdouni [Tunisie] ; H. Zarrouk [Tunisie] ; C. Julien [France]Source :
- British ceramic transactions [ 0967-9782 ] ; 2003.
Descripteurs français
- Pascal (Inist)
- Etude expérimentale, Préparation chimique, Composé insertion, Basse température, Lithium oxyde, Chrome oxyde, Cobalt oxyde, Substitution ion, Procédé voie humide, Solution aqueuse, Méthode en solution, Citrate, Oxalate, Précurseur, Carboxylate, Thermogravimétrie, Analyse thermique différentielle, Diffraction RX, Microscopie électronique balayage, Spectre IR, Propriété électrochimique, Matériau électrode, LiCr0,3Co0,7O2, Co Cr Li O, Succinate, Glycinate.
English descriptors
- KwdEn :
- Aqueous solution, Carboxylate, Chemical preparation, Chromium oxide, Citrate, Cobalt oxide, Differential thermal analysis, Electrochemical properties, Electrode material, Experimental study, Growth from solution, Infrared spectrum, Intercalation compound, Ion substitution, Lithium oxide, Low temperature, Oxalate, Precursor, Scanning electron microscopy, Thermogravimetry, Wet process, X ray diffraction.
Abstract
The synthesis of Cr substituted lithium cobaltate LiCr0.3Co0.7O2 using four different low temperature methods is presented. These wet chemical routes involve the mixing of either acetates or nitrates of Co and Cr with a chelating agent in aqueous solution, namely citric acid for the sol-gel method, oxalic acid for the coprecipitation method, succinic acid for the pyrolysis method, or the complexing agent glycine for the combustion method. The synthesised products were characterised by TG-DTA, XRD, SEM, and FTIR. Structural analysis revealed the R 3 m space group for the solid solution. The electrochemical behaviour of LiCr0.3Co0.7O2 was evaluated in a lithium cell.
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Pascal:03-0374058Le document en format XML
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Co<sub>0.7</sub>
O<sub>2</sub>
intercalation compounds using citrate, oxalate, succinate, and glycinate precursors</title>
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Co<sub>0.7</sub>
O<sub>2</sub>
intercalation compounds using citrate, oxalate, succinate, and glycinate precursors</title>
<author><name sortKey="Amdouni, N" sort="Amdouni, N" uniqKey="Amdouni N" first="N." last="Amdouni">N. Amdouni</name>
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<series><title level="j" type="main">British ceramic transactions</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aqueous solution</term>
<term>Carboxylate</term>
<term>Chemical preparation</term>
<term>Chromium oxide</term>
<term>Citrate</term>
<term>Cobalt oxide</term>
<term>Differential thermal analysis</term>
<term>Electrochemical properties</term>
<term>Electrode material</term>
<term>Experimental study</term>
<term>Growth from solution</term>
<term>Infrared spectrum</term>
<term>Intercalation compound</term>
<term>Ion substitution</term>
<term>Lithium oxide</term>
<term>Low temperature</term>
<term>Oxalate</term>
<term>Precursor</term>
<term>Scanning electron microscopy</term>
<term>Thermogravimetry</term>
<term>Wet process</term>
<term>X ray diffraction</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Etude expérimentale</term>
<term>Préparation chimique</term>
<term>Composé insertion</term>
<term>Basse température</term>
<term>Lithium oxyde</term>
<term>Chrome oxyde</term>
<term>Cobalt oxyde</term>
<term>Substitution ion</term>
<term>Procédé voie humide</term>
<term>Solution aqueuse</term>
<term>Méthode en solution</term>
<term>Citrate</term>
<term>Oxalate</term>
<term>Précurseur</term>
<term>Carboxylate</term>
<term>Thermogravimétrie</term>
<term>Analyse thermique différentielle</term>
<term>Diffraction RX</term>
<term>Microscopie électronique balayage</term>
<term>Spectre IR</term>
<term>Propriété électrochimique</term>
<term>Matériau électrode</term>
<term>LiCr0,3Co0,7O2</term>
<term>Co Cr Li O</term>
<term>Succinate</term>
<term>Glycinate</term>
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<front><div type="abstract" xml:lang="en">The synthesis of Cr substituted lithium cobaltate LiCr<sub>0.3</sub>
Co<sub>0.7</sub>
O<sub>2</sub>
using four different low temperature methods is presented. These wet chemical routes involve the mixing of either acetates or nitrates of Co and Cr with a chelating agent in aqueous solution, namely citric acid for the sol-gel method, oxalic acid for the coprecipitation method, succinic acid for the pyrolysis method, or the complexing agent glycine for the combustion method. The synthesised products were characterised by TG-DTA, XRD, SEM, and FTIR. Structural analysis revealed the R 3 m space group for the solid solution. The electrochemical behaviour of LiCr<sub>0.3</sub>
Co<sub>0.7</sub>
O<sub>2</sub>
was evaluated in a lithium cell.</div>
</front>
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