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:
Jun. 15, 1999
Filed:
Jun. 30, 1997
Applicant:
Inventor:
Nathan Mitchell, The Woodlands, TX (US);
Assignee:
Compaq Computer Corporation, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
296232 ; 296231 ; 429245 ;
Abstract
A method for fan-folding lithium-ion-polymer battery cells, wherein gaps are left in the active material at fold locations of the metallic backing conductor. This avoids fatigue at the fold locations when the active materials expand and contract during charge and discharge.