Dual air elecrtrode cell

Details Dual air elecrtrode cell Dual air elecrtrode cell

1995-04-24

1996-10-29

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 21, 429 44, 429 59, 429101, H01M 818

Patent

active

055695515

ABSTRACT:
A dual air electrode metal-air cell having a casing including an upper cathode mask wall, a lower cathode mask wall, and a plurality of side walls; a metal anode with at least upper and lower sides covered with separator materials; an upper air cathode positioned between the upper cathode mask wall and the separator materials on the upper side of the anode; a lower air cathode positioned between the lower cathode mask wall and the separator materials on the lower side of the anode; a gas vent positioned on one or more of the side walls of the casing; and a liquid electrolyte substantially trapped by the separator materials. The separator materials comprise one ore more layers of an absorbent fibrous web and one or more layers of a microporous membrane that, when wet, is gas-impermeable and liquid-permeable.

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