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:
Dec. 06, 1983
Filed:
Mar. 26, 1982
Applicant:
Inventors:
Assignee:
Brown, Boveri & Cie AG, Mannheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ; H01M / ; H01M / ;
U.S. Cl.
CPC ...
429104 ; 429 67 ; 429181 ; 429185 ; 429169 ;
Abstract
Individual rechargeable electric cell with an outer metal housing, an electrolyte tube open at the top arranged coaxially in the housing, liquid sodium in the tube, a current collector extending down through the open end of the tube into the sodium, an alpha-Al.sub.2 O.sub.3 ring at the open end of the tube, a first flexible flange which connects the current collector to the ring attached to the tube via an aluminum ring, a second flexible flange connected to the housing and to the alpha-Al.sub.2 O.sub.3 ring via another ring, and sulfur in the space between the housing and tubular electrolyte.