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. 29, 1999
Filed:
Feb. 27, 1997
Applicant:
Inventors:
Aiden Bryan, Belfast, GB;
Steven D Cochran, Henderson, NV (US);
Assignee:
Valence Technology, Inc., Henderson, NV (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
296233 ; 156312 ;
Abstract
Blisters or air bubbles between battery layers can be a problem with the lamination of battery layers. The blistering can be reduced by a two-step pressure-applying method. In the first step, a relatively small first pressure is applied to the battery layers. The relatively small first pressure is done such that air bubbles between the battery layers are not formed. Next, a second larger pressure is applied to the battery layers to laminate the battery layers together. In an alternate embodiment, the pressure applied to the battery layers is changed from a low pressure to laminating pressures in one step.