One embodiment of the present invention is a hydrogen generator that includes: (a) an anode material; (b) a cathode material; and (c) an electrolyte; wherein the electrolyte comprises a metal hydride, at least one stabilizing agent, and a solvent; and wherein hydrogen gas is generated whenever the a
One embodiment of the present invention is a hydrogen generator that includes: (a) an anode material; (b) a cathode material; and (c) an electrolyte; wherein the electrolyte comprises a metal hydride, at least one stabilizing agent, and a solvent; and wherein hydrogen gas is generated whenever the anode material and the cathode material are electrically connected.
대표청구항▼
What is claimed is: 1. A hydrogen generator that comprises: an anode material; a cathode material; and an electrolyte; wherein the hydrogen generator does not include a catalyst; wherein the electrolyte comprises a metal hydride, at least one stabilizing agent, and a solvent; and wherein the metal
What is claimed is: 1. A hydrogen generator that comprises: an anode material; a cathode material; and an electrolyte; wherein the hydrogen generator does not include a catalyst; wherein the electrolyte comprises a metal hydride, at least one stabilizing agent, and a solvent; and wherein the metal hydride is stabilized so that hydrogen gas is not generated unless the anode material and the cathode material are electrically connected; and wherein the metal hydride includes one or more of NaBH4 (sodium borohydride), LiBH4 (lithium borohydride), KBH4 (potassium borohydride), NH4BH4 (ammonium borohydride), (CH3)4NH4BH4 (tetramethyl ammonium borohydride), NaAlH4, LiAlH4, KAlH4, NaGaH4, LiGaH4, KGaH4, or quaternary borohydrides. 2. The hydrogen generator of claim 1 wherein the at least one stabilizing agent includes a corresponding hydroxide of a cation part of the metal hydride. 3. The hydrogen generator of claim 2 wherein the hydroxide includes one or more of sodium hydroxide, lithium hydroxide, or potassium hydroxide. 4. The hydrogen generator of claim 1 wherein the solvent is water. 5. The hydrogen generator of claim 1 wherein the anode material is a metal selected from lanthanide metals or actinide metals. 6. The hydrogen generator of claim 1 wherein the anode material is a metal selected from one or more of magnesium, aluminum, zinc, beryllium, titanium, vanadium, chromium, silicon, iron, nickel, or zirconium. 7. A hydrogen generator that comprises: an anode material; a cathode material; a switchable electrical connection between the anode material and the cathode material; a conduit through which hydrogen gas exits the hydrogen generator; and an electrolyte that contacts the anode material and the cathode material; wherein the hydrogen generator does not include a catalyst; wherein the electrolyte comprises a metal hydride, at least one stabilizing agent, and a solvent; wherein the metal hydride is a complex metal hydride having a general chemical formula MBH4; wherein M is an alkali metal selected from Group 1 of the periodic table; B is an element selected from Group 13 of the periodic table; and H is hydrogen; wherein the metal hydride is stabilized so that hydrogen gas is not generated unless the anode material and the cathode material are electrically connected; and wherein a potential is generated between the anode material and the cathode material when they are connected. 8. The hydrogen generator of claim 7 wherein the anode material is selected from the following materials platinum, gold, graphite, silver, stainless steel, inconel, nickel, monel, aluminum bronze, tin bronze, copper, brass, tin lead, lead tin solder, carbon steel, pure aluminum, cadmium, aluminum alloys, zinc, magnesium alloys, or magnesium and the cathode material is also selected from these materials but it is more cathodic than the anode material. 9. The hydrogen generator of claim 7 wherein the anode material and the cathode material are dissimilar materials. 10. The hydrogen generator of claim 1 wherein the electrolyte further comprises a gel. 11. The hydrogen generator of claim 1 which further includes a conduit through which hydrogen gas exits the hydrogen generator. 12. The hydrogen generator of claim 1 which comprises a container wherein: the container comprises container portions fabricated from the cathode material or fabricated from a further material that is coated or plated on the insides of the container portions with the cathode material; and wherein the container further includes core portions fabricated from the anode material that is electrically insulated from the cathode material and is in the form of one or more of a porous anode material, a metal wool-like anode material, a plastic wool-like material coated with anode material, a plastic foam coated with anode material, a mesh of anode material, an anode material cloth, a woven anode material, a honeycomb sheet of anode material, a perforated sheet of anode material, a plastic plated with anode material, a sintered metal filter of anode material, a microporous sheet of anode material, a solid anode material, and anode material in the form of beads, small balls, chunks, or wires enclosed in a filter mesh. 13. The hydrogen generator of claim 11 wherein the conduit is electrically connected to the anode material. 14. The hydrogen generator of claim 13 wherein the conduit is disposed in a cap of the container, which cap is electrically insulated from the container by an insulator. 15. The hydrogen generator of claim 14 wherein a hydrophobic filter is disposed in the conduit. 16. The hydrogen generator of claim 13 wherein the cathode material forms a container, the electrolyte comprises water and the container further comprises a source of water. 17. The hydrogen generator of claim 13 wherein the cathode material forms a container, and an electrical connection is made between the anode material and the cathode material by a switchable electrical connection between the conduit and the container. 18. The hydrogen container of claim 17 wherein the electrical connection between the conduit and the container further comprises a switch. 19. The hydrogen generator of claim 2 wherein an hydroxide concentration in a stabilized metal hydride solution is greater than about 0.1 molar. 20. The hydrogen generator of claim 1 wherein the at least one stabilizing agent includes a corresponding hydroxide of a cation part of the metal hydride and one or more of a lead containing compound, a tin containing compound, a cadmium containing compound, a zinc containing compound, a gallium containing compound, and a mercury containing compound. 21. The hydrogen generator of claim 1 wherein the at least one stabilizing agent includes one or more sulfur containing compounds. 22. The hydrogen generator of claim 10 wherein the gel is sodium silicate or sodium metasilicate. 23. The hydrogen generator of claim 1 wherein the electrolyte further comprises ethylene glycol. 24. The hydrogen generator of claim 1 wherein the electrolyte is in a form of a liquid, a jelly, or a slurry. 25. The hydrogen generator of claim 12 wherein the container is a pipe. 26. The hydrogen generator of claim 13 wherein the conduit is electrically conductive. 27. The hydrogen generator of claim 14 wherein the cap is electrically conductive. 28. The hydrogen generator of claim 27 wherein the insulator is formed of one or more of a plastic, nylon, polyester, Teflon, and polyethylene; and wherein the cap is formed of one or more of a metal, a conductive ceramic, and a conductive plastic. 29. The hydrogen container of claim 17 wherein the electrical connection between the conduit and the container comprises a circuit that includes a pressure sensor that senses the pressure of hydrogen gas and makes or breaks the electrical connection depending on predetermined values of hydrogen pressure. 30. The hydrogen container of claim 29 wherein the hydrogen pressure may be that of hydrogen that exits in a conduit or it may the hydrogen pressure of hydrogen in a tank in which the hydrogen gas is stored. 31. The hydrogen generator of claim 1 further comprising: a switchable electrical connection between the anode material and the cathode material; wherein the electrical connection includes a power source. 32. The hydrogen generator of claim 31 wherein the power source is a battery or a power supply. 33. The hydrogen generator of claim 31 wherein the switchable electrical connection further includes an SCR device. 34. The hydrogen generator of claim 31 wherein the switchable electrical connection further includes a microprocessor controlled switch. 35. The hydrogen generator of claim 31 wherein the switchable electrical connection further includes a dischargeable capacitor. 36. The hydrogen generator of claim 1 further comprising: a switchable electrical connection between the anode material and the cathode material; and a voltage regulator and a voltage generator; wherein the regulator regulates the voltage to increase or decrease the voltage to the generator to increase or decrease a rate of hydrogen generation. 37. The hydrogen generator of claim 12 which further includes screens disposed on either side of the core portions. 38. The hydrogen generator of claim 12 wherein the core portions are encased in a porous frame that fits into the container. 39. The hydrogen generator of claim 12 which further comprises electrically conductive conduit that is electrically connected to the core portions. 40. The hydrogen generator of claim 11 which further includes a hydrophobic filter disposed with respect to the conduit so that hydrogen gas generated passes therethrough.
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Hockaday, Robert G.; Turner, Patrick S.; DeJohn, Marc D.; Navas, Carlos J.; Vaz, Heathcliff L.; Vazul, L. Luke, Portable chemical hydrogen hydride system.
Sergev Sergius S. (Ventura CA) Black Stanley A. (Ventura CA) Jenkins James F. (Ventura CA), Supercorroding galvanic cell alloys for generation of heat and gas.
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