The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2011
Filed:
Feb. 16, 2005
Dominique Guyomard, Sautron, FR;
Matthieu Dubarry, Limoges, FR;
Marc Deschamps, Quimper, FR;
Joël Gaubicher, Nantes, FR;
Dominique Guyomard, Sautron, FR;
Matthieu Dubarry, Limoges, FR;
Marc Deschamps, Quimper, FR;
Joël Gaubicher, Nantes, FR;
Batscap, Ergue-Gaberic, FR;
Centre National de la Recherche Scientifique, Paris, FR;
Abstract
The invention relates to a method for preparing a lithium and vanadium oxide and the thus obtained products. The method comprises preparing a precursor gel by reacting hydrogen peroxide with α-VOin an aqueous medium in the presence of a lithium precursor and exposing the gel to a heat treatment in an oxidant atmosphere at a temperature ranging from 260° C. to 580° C. A compound of a formula LiVO, (0.1<x<0.25) comprises needle-shaped grains having a bimodal distibution, wherein the length (L) of the first distribution needles ranges from 10 to 50 μm and the length (L) of the second distribution needles ranges from 1 to 10 μm.