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:
Feb. 05, 2008
Filed:
Nov. 27, 2002
Sébastien Martinet, Grenoble, FR;
Frédéric Le Cras, Combe Bougey, FR;
Sébastien Martinet, Grenoble, FR;
Frédéric Le Cras, Combe Bougey, FR;
Commissariat a l'Energie Atomique, Paris, FR;
Abstract
The subject of the present invention is a lithium electrochemical generator comprising two peripheral electrodes—one positive and the other negative—each comprising an electrically conductive substrate () and an active layer () that includes an active material, at least one bipolar electrode comprising a positive active layer () on a first electrically conductive substrate and a negative active layer () on a second electrically conductive substrate, the said substrates being fixed together and two separators () flanking each bipolar electrode, in which generator the electrically conductive substrates of each bipolar electrode are made of identical or different materials chosen from aluminium and its alloys and the negative active material of the bipolar electrode prevents an aluminium alloy being obtained with the electrically conductive substrates, under the operating conditions of the storage battery.