Sealed alkaline storage battery

Details Sealed alkaline storage battery Sealed alkaline storage battery

1997-09-23

1999-09-21

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

429206, 429247, H01M 216

Patent

active

059552166

ABSTRACT:
A sealed alkaline storage battery of the present invention employs a non-woven fabric having a double-layer structure of a dense and sparse layers as a separator to separate a positive electrode from a negative electrode, the sparse layer facing the negative electrode and being lower than the dense layer in fiber density.

REFERENCES:
patent: 4378414 (1983-03-01), Furukawa et al.
patent: 5609947 (1997-03-01), Kamei et al.
patent: 5609976 (1997-03-01), Ueda et al.

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