Cartridge for controlled production of hydrogen
First Claim
1. A method of producing hydrogen gas comprising:
- (a) delivering a primary liquid delivery medium (LDM) comprising a liquid fuel reactant to contact a solid fuel mixture in a reaction zone under conditions sufficient to cause a reaction between the liquid fuel reactant and the solid fuel mixture;
the delivery of the primary liquid delivery medium being controlled by a movable boundary interface (MBI) that biases the primary liquid delivery medium against the solid fuel mixture;
the reaction zone comprising a reaction product path, said reaction product path being disposed to remove reaction products from said reaction zone during the course of the reaction; and
,(b) independently contacting the reaction products with a second liquid delivery medium outside of the reaction zone.
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Abstract
A reaction hydrogen production control mechanism is provided that includes, a solid sodium borohydride mixture, a liquid fuel reactant, at least one liquid delivery medium (LDM), a movable boundary interface (MBI) and a reaction zone, where the MBI is disposed to provide a constant contact between a reacting surface of the solid fuel mixture and the primary LDM to form the reaction zone. A reaction in the reaction zone includes a hydrolysis reaction. The MBI moves according to a spring, gas pressure, or an elastic membrane. Product paths are disposed to transfer reactants from the system. The product paths can include a channel on a surface of the solid fuel mixture, a channel disposed through the solid fuel mixture, a channel disposed about the solid fuel mixture, a contained region disposed about the solid fuel mixture, or a conduit abutting the solid fuel mixture.
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Citations
20 Claims
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1. A method of producing hydrogen gas comprising:
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(a) delivering a primary liquid delivery medium (LDM) comprising a liquid fuel reactant to contact a solid fuel mixture in a reaction zone under conditions sufficient to cause a reaction between the liquid fuel reactant and the solid fuel mixture; the delivery of the primary liquid delivery medium being controlled by a movable boundary interface (MBI) that biases the primary liquid delivery medium against the solid fuel mixture; the reaction zone comprising a reaction product path, said reaction product path being disposed to remove reaction products from said reaction zone during the course of the reaction; and
,(b) independently contacting the reaction products with a second liquid delivery medium outside of the reaction zone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification