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:
Apr. 19, 1994
Filed:
Oct. 29, 1992
Applicant:
Inventor:
On-Kok Chang, San Jose, CA (US);
Assignee:
Valence Technology Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
429194 ; 34 80 ; 34210 ; 159 161 ; 95117 ; 95902 ;
Abstract
A method and apparatus for drying a non-aqueous liquid electrolyte through the non-contact use of a desiccant includes a closed system having separate containers for the electrolyte and the desiccant. The closed system is charged with an inert gas, and a means is provided to circulate the gas between the containers. A stirring means is provided to stir the electrolyte to facilitate the release of water from the electrolyte.