Solid state electrochemical current source
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United States of America Patent
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Apr 30, 2002
Grant Date -
N/A
app pub date -
Jan 20, 2000
filing date -
Jul 23, 1997
priority date (Note) -
Expired
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Abstract
A cathode and a solid state electrochemical cell comprising said cathode, a solid anode and solid fluoride ion conducting electrolyte. The cathode comprises a metal oxide and a compound fluoride containing at least two metals with different valences. Representative compound fluorides include solid solutions of bismuth fluoride and potassium fluoride; and lead fluoride and potassium fluoride. Representative metal oxides include copper oxide, lead oxide, manganese oxide, vanadium oxide and silver oxide.
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