The invention discloses a stable pressure hydrogen production device. The stable pressure hydrogen production device comprises a communicating vessel; the communicating vessel is provided with two cavities with the bottoms communicating with each other; one cavity is a hydrogen production cavity, and the other cavity is a pressure cavity; the communicating vessel is filled with a reaction solutionfor a hydrogen production reaction; a top opening of the hydrogen production cavity is closed through a sealing cover with an air outlet; a material loading net for loading hydrogen production reaction metal is arranged in the hydrogen production cavity; the air outlet is connected to a hydrogen fuel cell system through an air guide pipe; a pressure control valve is arranged on the air guide pipe; a top opening of the pressure cavity is sealed by a piston which slides along the pressure cavity; and the piston is connected with a pressure applying mechanism to push the reaction solution in thepressure cavity to the hydrogen production cavity. The stable pressure hydrogen production device has the remarkable advantages that the structure is simple, the reaction speed is self-controllable,the hydrogen output is stable, the environment is friendly, the energy efficiency is high, the safety is high, the manufacturing cost is low and the like, and can continuously and stably supply hydrogen to a hydrogen fuel cell.

Stable pressure hydrogen production device

The invention discloses a hydrogen production and storage integrated apparatus, which belongs to the technical field of the preparation of hydrogen The hydrogen production and storage integrated apparatus comprises a liquid storage chamber, a reaction chamber and a gas storage chamber; the bottom of the liquid storage chamber is communicated with the bottom of the reaction chamber, and the top ofthe reaction chamber is communicated with the top of the gas storage chamber by virtue of a connecting apparatus; the middle part of the reaction chamber is provided with a loading apparatus; the connecting apparatus comprises a gas pipe communicating the reaction chamber and the gas storage chamber, and the junction of the gas pipe and the reaction chamber is provided with a waterproof permeablemembrane; and the gas pipe is successively provided with a cutoff valve and a pressure sensor along the direction from the reaction chamber to the gas storage chamber, and the cutoff valve is communicated with the pressure sensor By virtue of the integrated design of a hydrogen production device and a hydrogen storage device and by virtue of the connecting apparatus between the reaction chamberand the gas storage chamber, the yield of the hydrogen can be automatically controlled in real time, the gas pressure in the apparatus can be controlled not to be excessively high, the risk is reduced, and the stable hydrogen can be supplied to an FC power supply of a portable device

Hydrogen production and storage integrated apparatus

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Hydrogen production and storage integrated apparatus