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:
Aug. 06, 2002
Filed:
Apr. 01, 1999
Applicant:
Inventors:
Leif Christensen, St. Paul, MN (US);
Robert L. Turner, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 ;
U.S. Cl.
CPC ...
H01M 4/58 ;
Abstract
A lithium ion battery that includes: (a) a cathode; (b) an anode in the form of a thin film which, when lithiated, does not exhibit sustained self-heating at temperatures up to about 100° C.; and (c) an electrolyte separating the anode and the cathode. The battery has a capacity of at least 600 milliamp-hours, a specific energy of at least 100 watt-hours/kg, and a volumetric energy of at least 250 watt-hours/liter.