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:
Jan. 14, 2014
Filed:
Feb. 10, 2010
Michèle Van Thournout, Ellezelles, BE;
Laure Monconduit, Jacou, FR;
Claire Villevieille, Marguerittes, FR;
Josette Olivier-fourcade, Jacou, FR;
Jean-claude Jumas, Jacou, FR;
Cécile Tessier, Bruges, FR;
Michèle Van Thournout, Ellezelles, BE;
Laure Monconduit, Jacou, FR;
Claire Villevieille, Marguerittes, FR;
Josette Olivier-Fourcade, Jacou, FR;
Jean-Claude Jumas, Jacou, FR;
Cécile Tessier, Bruges, FR;
Umicore, Brussels, BE;
Centre National de la Recherche Scientifique, Paris-Cedex, FR;
Universite Montpellier, Montpellier Cedex, unknown;
SAFT Groupe S.A., Bagnolet, FR;
Abstract
The invention relates to active material for the negative electrode of secondary rechargeable lithium batteries, wherein the active material is based on doped or undoped carbon-bearing lithium titanium ramsdellite oxide with general formula LiTiOor LiTiO. The active material comprises a carbon substituted ramsdellite phase having a general formula LC—TiO, with 0.1<c<0.5, and more than 0.1 mol % of spinel phase having a general formula Li+xTiOwith 0<x<0.33.