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. 30, 2003
Filed:
Apr. 26, 2001
Applicant:
Inventors:
Lewis F. Urry, Elyria, OH (US);
John C. Bailey, Columbia Station, OH (US);
Assignee:
Eveready Battery Company, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/02 ; H01M 2/02 ; H01M 4/42 ;
U.S. Cl.
CPC ...
H01M 4/02 ; H01M 2/02 ; H01M 4/42 ;
Abstract
An electrochemical cell and an electrode for use in an electrochemical cell is provided. The electrochemical cell has a container, a positive electrode disposed in the container and having a wall defining an interface surface, a negative electrode disposed in the container, a separator located between the positive and negative electrodes, and an electrolyte. The second electrode has a unitary piece of electrochemically active material having multiple openings formed in a circumferential surface. The unitary piece may include a slotted tube, first and second members, or a coiled strip.