Active metal fuel cells
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United States of America Patent
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Aug 16, 2011
Grant Date -
Oct 28, 2010
app pub date -
Jul 6, 2010
filing date -
Nov 10, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Active metal fuel cells are provided. An active metal fuel cell has a renewable active metal (e.g., lithium) anode and a cathode structure that includes an electronically conductive component (e.g., a porous metal or alloy), an ionically conductive component (e.g., an electrolyte), and a fluid oxidant (e.g., air, water or a peroxide or other aqueous solution). The pairing of an active metal anode with a cathode oxidant in a fuel cell is enabled by an ionically conductive protective membrane on the surface of the anode facing the cathode.
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