Solid polymer electrolyte-based oxygen batteries
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United States of America Patent
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Apr 23, 1996
Grant Date -
N/A
app pub date -
Jan 5, 1995
filing date -
Jan 5, 1995
priority date (Note) -
Expired
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Abstract
This invention features polymer-based batteries comprising metal anodes and an oxygen gas cathode. The oxygen is not stored in the battery but rather it is accessed from the environment. This solid-state battery is constructed by sandwiching a metal ion conductive polymer electrolyte film between a metal anode (negative electrode) and a composite carbon electrode which serves as the cathode current collector on which the electroactive oxygen is reduced during discharge of the battery to generate electric current. The metal anodes include lithium, magnesium, sodium, calcium, aluminum and zinc.
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