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:
Mar. 02, 2010
Filed:
Jun. 29, 2005
Applicants:
Sebastien Martinet, Grenoble, FR;
Frederic Le Cras, Notre Dame de l'Osier, FR;
Dominique Perrin, Fontaine, FR;
Djamel Mourzagh, Fontaine, FR;
Inventors:
Sebastien Martinet, Grenoble, FR;
Frederic Le Cras, Notre Dame de l'Osier, FR;
Dominique Perrin, Fontaine, FR;
Djamel Mourzagh, Fontaine, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/04 (2006.01); H02J 7/06 (2006.01); H02J 7/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for charging a lithium-ion accumulator with a negative electrode at an operating potential larger than 0.5 volts relatively to the Li+/Li pair, which comprises a first charging step at a constant voltage between 2 volts and 5 volts.