Methods of making a niobium metal oxide and oxygen reduced niobium oxides
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United States of America Patent
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Feb 7, 2012
Grant Date -
Oct 1, 2009
app pub date -
Apr 7, 2009
filing date -
May 19, 2003
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Abstract
Methods to at least partially reduce a niobium oxide are described wherein the process includes mixing the niobium oxide and niobium powder to form a powder mixture that is then heat treated to form heat treated particles which then undergo reacting in an atmosphere which permits the transfer of oxygen atoms from the niobium oxide to the niobium powder, and at a temperature and for a time sufficient to form an oxygen reduced niobium oxide. Oxygen reduced niobium oxides having high porosity are also described as well as capacitors containing anodes made from the oxygen reduced niobium oxides.
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