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United States of America Patent

PATENT NO 8435484
APP PUB NO 20100112440A1
SERIAL NO

11665932

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Abstract

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The invention relates to a lithium vanadium oxide which corresponds to the formula Li1+αV3O8 (0.1≦α≦0.25). It is composed of agglomerates of small needles having a length l from 400 to 1000 nm, a width w such that 102O5 and a Li precursor into contact in amounts such that the ratio of the concentrations [V2O5]/[Li] is between 1.15 and 1.5 and in subjecting the gel to a heat treatment comprising a first stage at 80° C.-150° C. for 3 h to 15 days and a second stage between 250° C. and 350° C. for 4 min to 1 hour, under a nitrogen or argon atmosphere. It is useful as an active material of a positive electrode.

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Patent Owner(s)

Patent OwnerAddress
BLUE SOLUTIONSODET ERGUE GABERIC 29500

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Deschamps, Marc Quimper, FR 38 176
Dubarry, Matthieu Honolulu, US 7 24
Gaubicher, Joël Nantes, FR 13 38
Guyomard, Dominique Sautron, FR 29 376
Morel, Benoit Champagne Mouton, FR 11 50

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