US2009242853A1PendingUtilityA1

Process For Producing Niobium Suboxide

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Assignee: STARCK H C GMBHPriority: Jul 22, 2003Filed: Oct 31, 2007Published: Oct 1, 2009
Est. expiryJul 22, 2023(expired)· nominal 20-yr term from priority
Inventors:Christoph Schnitter
C01P 2004/61C04B 2235/5481C01P 2006/12C04B 2235/549H01G 9/0525C04B 2235/528C01P 2004/51C04B 35/6268C04B 35/6265C01P 2004/62C04B 2235/5409C04B 35/495C04B 2235/608C01G 33/00C04B 2235/5427C01P 2006/20C01P 2006/40C04B 2235/3251C04B 2235/5445C04B 2235/6581C04B 2235/3253H01G 9/042Y10T428/31504
56
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Claims

Abstract

A method is described for preparing a niobium suboxide represented by the formula, NbO x , in which 0.7<×<1.3. The method involves reacting NbOy (in which y<1.8<2.1) with a stoichiomerc amount of niobium metal, in the presence of hydrogen. The niobium suboxide produced by such method may be used to fabricate anodes for solid electrolyte capacitors.

Claims

exact text as granted — not AI-modified
1 - 9 . (canceled) 
   
   
       10 . A niobium suboxide powder represented by the following formula, NbO x ,
 wherein 0.7<×<1.3,   further wherein said niobium suboxide has a flow rate of at most 60 seconds/25 grams, as determined in accordance with ASTM B 213.   
   
   
       11 . A capacitor comprising an anode, wherein said anode comprises a sintered powder of the niobium suboxide of  claim 10 . 
   
   
       12 . The niobium suboxide powder as claimed  10 , wherein the flow rate is at most of 50 seconds/25 grams, as determined in accordance with ASTM B 213. 
   
   
       13 . The niobium suboxide powder as claimed  10 , wherein the flow rate is at most of 40 seconds/25 grams, as determined in accordance with ASTM B 213. 
   
   
       14 . The niobium suboxide powder as claimed  10 , wherein x is between 0.95 and 1.1 
   
   
       15 . The niobium suboxide powder as claimed  13 , wherein x is between 0.95 and 1.1. 
   
   
       16 . The niobium suboxide powder as claimed  10 , wherein x is between 1 and 1.05 
   
   
       17 . The niobium suboxide powder as claimed  13 , wherein x is between 1 and 1.05. 
   
   
       18 . A capacitor comprising an anode, wherein said anode comprises a sintered powder of the niobium suboxide of  claim 17 .

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