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, 2002
Filed:
Oct. 27, 2000
Applicant:
Inventors:
Patrick Bernard, Bordeaux, FR;
Claudette Audry, Bruges, FR;
Assignee:
Alcatel, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/08 ; H01M 4/32 ; H01M 4/52 ; C01G 5/104 ;
U.S. Cl.
CPC ...
H01B 1/08 ; H01M 4/32 ; H01M 4/52 ; C01G 5/104 ;
Abstract
An electrode conductive material includes a non-stoichiometric oxidized cobalt compound whose electrical conductivity is greater than 5×10 S/cm and which has a direct spinel structure and formula Co Co O , with 0.73≦≦0.80 and 1.87≦y≦1.95. An alkaline electrolyte secondary storage cell positive electrode includes a current collector and a layer containing a binder, particles of an electrochemically active material and the aforementioned conductive material, the proportion by weight of the conductive material in the layer being from 4% to 10% of the active material.