Wound element electrode assembly design for use in prismatic...

Details Wound element electrode assembly design for use in prismatic... Wound element electrode assembly design for use in prismatic...

2005-10-04

2005-10-04

Ryan, Patrick (Department: 1745)

Metal working

Method of mechanical manufacture

Electrical device making

C429S094000, C429S133000, C429S164000, C429S246000

Reexamination Certificate

active

06951576

ABSTRACT:
An anode-cathode sub-assembly for an electrochemical cell wherein a combination of an elongated alkali metal anode and elongated solid cathode within separator therebetween is wound using a mandrel to form the sub-assembly having a jellyroll type configuration and wherein the winding is performed in a manner so that upon removal of the mandrel from the completed sub-assembly, in the event any portion of the separator contacted by the mandrel is impaired, this will not cause an electrical short circuit in an electrochemical cell containing the sub-assembly.

REFERENCES:
patent: 2928888 (1960-03-01), Vogt
patent: 3298871 (1967-01-01), Binder et al.
patent: 4709472 (1987-12-01), Machida et al.
patent: 5017442 (1991-05-01), Watanabe et al.
patent: 5439760 (1995-08-01), Howard et al.
patent: 5549717 (1996-08-01), Takeuchi et al.

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