Methods and apparatus for synthesis of metal hydrides
First Claim
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1. A process for preparing a metal hydride compound, comprising:
- providing an electrolytic cell containing anode and cathode compartments separated by a separator which is permeable to ions;
supplying at least one metal salt in molten form to the cathode compartment;
applying an electric potential to the cell; and
providing hydrogen to the cathode compartment.
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Abstract
An electrochemical process and apparatus for preparing metal hydride compounds from metal salts under a hydrogen atmosphere are disclosed. The electrochemical process may be integrated with chemical reaction of a boron compound to produce borohydride compounds. A metal salt and a borate are charged to the cathode of an electrolytic cell wherein the borate reacts with the hydride, to produce the borohydride compound.
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Citations
95 Claims
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1. A process for preparing a metal hydride compound, comprising:
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providing an electrolytic cell containing anode and cathode compartments separated by a separator which is permeable to ions;
supplying at least one metal salt in molten form to the cathode compartment;
applying an electric potential to the cell; and
providing hydrogen to the cathode compartment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A process for producing a metal hydride compound, comprising:
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providing an electrolytic cell containing anode and cathode compartments separated by a separator which is permeable to ions;
supplying at least one metal salt to the cathode compartment, wherein the metal salt is at least partially dissolved in an ionic liquid;
applying an electric potential to the cell; and
providing hydrogen to the cathode compartment. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A process for producing a boron hydride compound, comprising:
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providing an electrolytic cell containing anode and cathode compartments separated by a separator which is permeable to ions;
supplying at least one metal salt in molten form to the cathode compartment;
applying an electric potential to the cell;
providing hydrogen to the cathode compartment; and
providing a boron compound to the cathode compartment. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52)
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53. A process for producing a boron hydride compound, comprising:
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providing an electrolytic cell containing anode and cathode compartments separated by a separator which is permeable to ions;
supplying at least one metal salt to the cathode compartment, wherein the metal salt is at least partially dissolved in an ionic liquid;
applying an electric potential to the cell;
providing hydrogen to the cathode compartment; and
providing a boron compound to the cathode compartment. - View Dependent Claims (54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77)
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- 78. A process for producing borohydride anions comprising dissolving a metal hydride and a boron compound in at least one liquid salt.
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88. An apparatus for reducing boron compounds to produce boron hydride compounds, comprising:
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an anode compartment containing on anode;
a cathode compartment containing a cathode;
a separator between the anode and cathode compartments, wherein the separator is permeable to ions;
at least one inlet for charging metal salt and boron compounds to the cathode compartment; and
a means for supplying hydrogen to the cathode compartment. - View Dependent Claims (89, 90, 91, 92, 93, 94, 95)
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Specification