Metal-air cells with minimal air access

The present technology provides a battery that includes an air cathode, an anode, an aqueous electrolyte that includes an amphoteric surfactant, and a housing that includes one or more air access ports defining a total area of void space ("vent area"), where(1) the battery is a size 13 met...

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Bibliographische Detailangaben
Hauptverfasser: Rubsam, Tony, Pozdol, Ian, Schnetz, Kokkie, Syvertsen, Marc
Format: Patent
Sprache:eng
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Zusammenfassung:The present technology provides a battery that includes an air cathode, an anode, an aqueous electrolyte that includes an amphoteric surfactant, and a housing that includes one or more air access ports defining a total area of void space ("vent area"), where(1) the battery is a size 13 metal-air battery and the total vent area defined by all of the air access ports is from about 0.050 mm2 to about 0.115 mm2; or(2) the battery is a size 312 metal-air battery and the total vent area defined by all of the air access ports is from about 0.03 mm2 to about 0.08 mm2.