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:
Apr. 07, 2015
Filed:
Jun. 23, 2010
Cecile Tessier, Bruges, FR;
Julien Breger, Bordeaux, FR;
Olivier Jan, Libourne, FR;
Philippe Biensan, Carignan de Bordeaux, FR;
Bridget Deveney, Baltimore, MD (US);
Kamen Nechev, Cockeysville, MD (US);
Cecile Tessier, Bruges, FR;
Julien Breger, Bordeaux, FR;
Olivier Jan, Libourne, FR;
Philippe Biensan, Carignan de Bordeaux, FR;
Bridget Deveney, Baltimore, MD (US);
Kamen Nechev, Cockeysville, MD (US);
SAFT Groupe SA, Bagnolet, FR;
Abstract
A composition including (a) a lithiated oxide of transition metals containing at least nickel, cobalt and aluminum and (b) a lithiated phosphate of at least one transition metal, the surface of which is at least partially covered by a layer of carbon. In the composition, the proportion by mass of the lithiated oxide of transition metals containing at least nickel, cobalt and aluminum is less than or equal to 10% of the weight of the composition, and the proportion by mass of the lithiated phosphate of at least one transition metal is greater than or equal to 90% of the weight of the composition. A lithium-ion or lithium-polymer type accumulator including at least one positive electrode containing this composition.