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:
Nov. 24, 2009
Filed:
Nov. 30, 2004
Severine SI Larbi Jouanneau, Fontaine, FR;
Frederic Le Cras, Notre Dame de L'Osier, FR;
Carole Bourbon, Saint Michel de Saint Geoirs, FR;
Gilles Gauthier, La Tour du Pin, FR;
Severine Si Larbi Jouanneau, Fontaine, FR;
Frederic Le Cras, Notre Dame de L'Osier, FR;
Carole Bourbon, Saint Michel de Saint Geoirs, FR;
Gilles Gauthier, La Tour du Pin, FR;
Commissariat à l'Energie Atomique, Paris, FR;
Abstract
A lithium storage cell comprises at least a first electrode comprising an active material wherein Lications can be inserted, a second electrode and an electrolyte. The active material of the first electrode comprises a linear condensed compound comprising at least two tetrahedra, respectively of AOand A'Otype, bonded by a common oxygen atom. A transition metal ion Mwith a degree of oxidation of +2 selected from the group consisting of Ni, Co, Mn, Feand Tiis inserted in the linear condensed compound, and the ratio between the number of Lications able to be inserted in the active material and the number of transition metal ions Mis strictly greater than 1. A and A′ are selected from the group consisting of P, Si, Al, S, Ge, B.