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US 5,665,481 AGranted
Metal-air battery
AssigneeNorthrop Grumman Corporation
InventorsNicholas Shuster, Harvey N. Seiger, Daniel J. Spak, David E. Harney
Life of this patent
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Abstract
A metal-air battery having a liquid electrolyte above which is an air plenum. The battery includes a horizontally or vertically disposed anode completely within the electrolyte and a reticulated cathode arrangement which floats at the surface of the electrolyte and can accommodate for changes in the liquid level.
Claims16
An improved metal-air battery, comprising:
- a) a case;
- b) a liquid electrolyte partially filling said case;
- c) a support structure;
- d) an anode immersed within said electrolyte and held in position by said support structure;
- e) a porous cathode arrangement at the surface of said electrolyte, said cathode arrangement having a cathode, with a portion thereof being within said electrolyte and the remainder thereof being above said surface, said cathode arrangement being constructed and arranged to float at said surface and being vertically moveable relative to said anode as the level of said electrolyte drops;
- and
- f) means for making electrical contact with said anode and said cathode.
4 more elements
Dependencies are inferred from the claim text.