Sealed lead-acid secondary cell

Details Sealed lead-acid secondary cell Sealed lead-acid secondary cell

1984-10-03

1986-04-22

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Elastic, resilient or spring biasing valve means

429 78, 429 86, 429 89, 429225, H01M 212

Patent

active

045842485

ABSTRACT:
A sealed lead-acid secondary cell of the type that absorbs oxygen by the negative electrode, is characterized in that a porous member impregnated with a liquid substance is disposed within or outside of a safety valve, or in contact with the bottom of said safety valve.

REFERENCES:
patent: 3398026 (1968-08-01), Andre
patent: 3537902 (1970-11-01), Murata
patent: 3798073 (1974-03-01), Karpal
patent: 3915752 (1975-10-01), Gross

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