Sintered bipolar battery plates

Details Sintered bipolar battery plates Sintered bipolar battery plates

1991-11-18

1993-04-06

Maples, John S.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

429206, 429219, 429221, 429223, H01M 214, H01M 452, H01M 454, H01M 1026

Patent

active

052002810

ABSTRACT:
A sintered bipolar battery plate (10) is made containing two porous electrodes and a central, non-porous, metallic cell separator-current collector sheet (12) where the positive electrode contains sintered particles (14) of elemental silver sintered into an expanded metal sheet (18) and the negative electrode contains sintered particles (16) of elemental iron sintered into an expanded metal sheet (18), where the positive and negative electrodes are sintered to a thin, porous, metallic connection layer (20) selected from at least one of nickel fiber or nickel powder, which is sintered to the current collector (12). This plate (10) can be placed in a case (22) containing alkali hydroxide electrolyte and having metal end plates (29) for electrical connections.

REFERENCES:
patent: Re25913 (1965-11-01), Solomon et al.
patent: 3332804 (1967-07-01), Zaromb
patent: 3853624 (1974-12-01), Brown et al.
patent: 4078125 (1978-03-01), Brown
patent: 4356101 (1982-10-01), Jackovitz et al.
patent: 4605604 (1986-08-01), Pollack et al.
patent: 4792505 (1988-12-01), Moyes
patent: 4804598 (1989-02-01), Jackovitz et al.

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