US2005224365A1PendingUtilityA1

One-step electrosynthesis of borohydride

47
Individually held — no corporate assignee on recordPriority: Apr 13, 2004Filed: Apr 12, 2005Published: Oct 13, 2005
Est. expiryApr 13, 2024(expired)· nominal 20-yr term from priority
Inventors:Duane J. MazurNorman L. WeinbergLawrence James GuilbaultArthur A. ChinKlaus Tomantschger
C25B 1/30C25B 11/04C25B 1/00C25B 1/14
47
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Claims

Abstract

A method for producing borohydride by causing current to flow in an electrolytic cell between an anode and a cathode, wherein a solution of a boron-containing compound is in contact with the cathode, and wherein the cathode comprises a conductive material having activity as a high hydrogen overpotential electrode.

Claims

exact text as granted — not AI-modified
1 . A method for producing borohydride; said method comprising causing current to flow in an electrolytic cell between an anode and a cathode, wherein a solution of a boron-containing compound is in contact with the cathode, and wherein the cathode comprises a conductive material having activity as a high hydrogen overpotential electrode.  
   
   
       2 . The method of  claim 1  in which the cathode further comprises a synthetic polymer.  
   
   
       3 . The method of  claim 2  in which the synthetic polymer is PTFE.  
   
   
       4 . The method of  claim 1  in which the cathode comprises lead, zinc, cadmium, mercury or indium.  
   
   
       5 . The method of  claim 1  in which the cathode comprises carbon having activity as a high hydrogen overpotential electrode.  
   
   
       6 . The method of  claim 5  in which the cathode comprises high-surface-area carbon.  
   
   
       7 . A method for producing borohydride; said method comprising causing current to flow in an electrolytic cell between an anode and a cathode, wherein a solution of a boron-containing compound is in contact with the cathode, and wherein the cathode comprises a synthetic polymer and at least one metal on the surface of a high surface-area electrode.  
   
   
       8 . The method of  claim 7  in which said at least one metal comprises nickel.  
   
   
       9 . The method of  claim 7  in which the high surface-area electrode is a nickel screen electrode or a carbon gas diffusion electrode.  
   
   
       10 . The method of  claim 7  in which said at least one metal comprises an alloy of two transition metals.

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