A device for generating hydrogen by hydrolysis of a hydride comprising a reactor containing the hydride in solid form, in the divided state or not, and comprising at least one orifice for removing the hydrogen produced; means for releasing the water required for the hydrolysis reaction; and at least
A device for generating hydrogen by hydrolysis of a hydride comprising a reactor containing the hydride in solid form, in the divided state or not, and comprising at least one orifice for removing the hydrogen produced; means for releasing the water required for the hydrolysis reaction; and at least one envelope suitable for isolating the hydride from the water required for the hydrolysis reaction, the envelope being made from a consumable material. According to the present invention, the envelope is suitable for contacting the water with the hydride in a site capable of serving as the seat of the hydrolysis reaction and of moving in the reactor as the material constituting the envelope is consumed by the hydrolysis reaction products.
대표청구항▼
The invention claimed is: 1. A device for generating hydrogen by hydrolysis of a hydride comprising: a reactor containing a hydride in solid form, in a divided state or not, and comprising at least one orifice for removing the hydrogen produced; means for releasing water required for the hydrolysis
The invention claimed is: 1. A device for generating hydrogen by hydrolysis of a hydride comprising: a reactor containing a hydride in solid form, in a divided state or not, and comprising at least one orifice for removing the hydrogen produced; means for releasing water required for the hydrolysis reaction; and at least one conduit suitable for isolating said hydride from the water required for the hydrolysis reaction, said conduit being made from a consumable material that is consumed as the hydride reacts with the water; wherein said conduit is suitable for contacting the water with said hydride in a site capable of serving as a seat of the hydrolysis reaction and of moving in said reactor as the consumable material constituting said conduit is consumed by hydrolysis reaction products. 2. A hydrogen generating device according to claim 1, wherein said hydride is selected from the group consisting of sodium tetrahydroborate NaBH4, magnesium tetrahydroborate Mg(BH4)2, lithium tetrahydroborate LiBH4, aluminium tetrahydroborate Al(BH4)3, beryllium tetrahydroborate Be(BH4)2, zirconium tetrahydroborate Zr(BH4)3, calcium tetrahydroborate Ca(BH4)2, potassium tetrahydroborate KBH4, and the hydrides LiH, MgH2, CaH2, Ca(AlH4)2, NaAlH4 and LiAlH4. 3. A hydrogen generating device according to claim 1, wherein the material constituting said conduit is a metallic material that corrodes in the presence of a basic medium. 4. A hydrogen generating device according to claim 1, wherein the material constituting said conduit is an organic material that is degraded in the presence of a basic medium. 5. A hydrogen generating device according to claim 4, wherein the organic material is selected from the group consisting of polyamides, polycarbonates, PET (polyethylene terephthalate), polyesters, PVDF (polyvinylidene fluoride) and PBT (polybutyl terephthalate). 6. A hydrogen generating device according to claim 1, wherein the material constituting said conduit is a material whereof the dissolution under the action of the hydrolysis reaction products also produces hydrogen. 7. A hydrogen generating device according to claim 6, wherein said material is aluminium or an aluminium alloy. 8. A hydrogen generating device according to claim 1, wherein a catalyst material is introduced into said reactor in the form of a salt dissolved in the water or in the form of solid particles distributed in said hydride. 9. A hydrogen generating device according to claim 8, wherein said catalyst material is selected from the group consisting of cobalt (Co), ruthenium (Ru) and platinum (Pt), palladium (Pd), nickel (Ni), iron (Fe), gold (Au), silver (Ag), manganese (Mn), rhenium (Re), rhodium (Rh), titanium (Ti), vanadium (V) and cerium (Ce). 10. A hydrogen generating device according to claim 1, wherein the reactor further comprises at least one orifice that coincides with a line formed by said conduit to convey the water into said reactor. 11. A hydrogen generating device according to claim 1, wherein said reactor contains water, said conduit contains the hydride, wherein said conduit, before any use of the device, is mostly covered with a lining made from a material that is dispersible but not soluble in the water, and wherein the combination of said lining and the envelope said conduit is immersed in the water. 12. A hydrogen generating device according to claim 1, wherein said conduit has a shape of a cylinder or a cone, having a circular or polygonal base. 13. A hydrogen generating device according to claim 1, wherein said conduit has an elongated and hollow pipe shape. 14. A hydrogen generating device according to claim 1, further comprising a plurality of conduits having similar or dissimilar geometries and distributed in said reactor. 15. A fuel cell comprising an electrolyte, an anode and a cathode, wherein an oxidizer is oxygen (O2), and a reducing agent is hydrogen (H2) produced by hydrolysis, comprising a device for generating hydrogen by hydrolysis of a hydride according to claim 1.
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이 특허에 인용된 특허 (3)
Adlhart Otto J. (Newark NJ), Cartridge for gas generator.
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