COMBUSTION PROCESS FOR THE PREPARATION OF LiCoVO>4

The present invention relates to a novel combustion process for the preparation of LiCoVO>4< useful as the cathode material in the rechargeable lithium-ion rocking chair cells by heating a composite mixture of LiNO>3<.3H>2<O, Co(NO>3<)>2<.6H>2<O and NH>43< w...

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Main Authors SRINIVASAN, CHITRA, THYAGARAJAN, MOHAN, PALANICHAMY, KALYANI, KRISHNAN, GOPALAKRISHNAN, CHRISTIAN, JULIEN, RAMAIYER, GANGADHARAN
Format Patent
LanguageEnglish
French
Published 09.10.2003
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:The present invention relates to a novel combustion process for the preparation of LiCoVO>4< useful as the cathode material in the rechargeable lithium-ion rocking chair cells by heating a composite mixture of LiNO>3<.3H>2<O, Co(NO>3<)>2<.6H>2<O and NH>43< with urea in aqueous medium to obtain LiCoVO>4<. La présente invention porte sur un nouveau procédé de combustion utilisé dans la préparation de LiCoVO4 utile comme matériau cathodique dans les piles ion-lithium rechargeables montées sur mouvement oscillant. Ce procédé consiste à chauffer un mélange composite de LiNO3.3H2O, Co(NO3)2.6H2O et NH4VO3 avec de l'urée dans un milieu aqueux pour obtenir LiCoVO4.
Bibliography:Application Number: WO2002IN00087