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:
Sep. 10, 1996
Filed:
Dec. 21, 1994
Applicant:
Inventors:
Serge Flandrois, Pessac, FR;
Annie Fevrier, St. Medard en Jalles, FR;
Philippe Biensan, Epinay S/Orge, FR;
Bernard Simon, Issy Les Moulineaux, FR;
Assignee:
Saft, Romainville, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429218 ; 429194 ; 429223 ; 429224 ; 4234 / ;
Abstract
The present invention concerns a carbon anode for a lithium rechargeable electrochemical cell, comprising a graphite-containing carbon-containing material which includes, prior to electrical cycling, at least a first phase constituted by graphite having a rhombohedral crystal structure and comprising a fraction of more than 10%.