Vent liner and cover construction for galvanic cells

Details Vent liner and cover construction for galvanic cells Vent liner and cover construction for galvanic cells

1987-09-22

1990-06-05

Niebling, John F.

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

429 56, 429 82, 429 66, H01M 212

Patent

active

049313681

ABSTRACT:
An electrochemical cell having a cell housing that contains the active components of the cell; the cell housing having a vent liner containment section that comprises a sealing well having a bottom disposed toward the interior of the cell, an orifice in the sealing well and a support ledge at the bottom of the sealing well; a vent liner having a vent liner orifice disposed within the sealing well so that an end of the vent liner abuts the support ledge, the orifice in the sealing well and the vent liner orifice providing a path from the interior of the cell to the atmosphere; and a seal member force-fitted within the vent liner, wherein the vent liner and the seal member are adapted so that the seal member will be at least partially expelled from the vent orifice at a predetermined internal gas pressure within the cell.

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