Metal oxide materials
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United States of America Patent
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Feb 3, 2004
Grant Date -
N/A
app pub date -
Apr 10, 1989
filing date -
Apr 8, 1988
priority date (Note) -
Expired
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Abstract
The invention provides certain novel metal oxide materials which exhibit superconductivity at elevated temperatures and/or which are useful in electrode, electrolyte, cell and sensor applications, or as electrochemical catalysts. The metal oxide materials are generally within the formula R.sub.n+1-u-s A.sub.u M.sub.m+e Cu.sub.n O.sub.w (1) where n.gtoreq.0 and n is an integer or a non-integer, 1.ltoreq.m.ltoreq.2, 0.ltoreq.s.ltoreq.0.4, 0.ltoreq.e.ltoreq.4, and 2n+(1/2)
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