A composite for generating hydrogen includes several core-shell structures, each of which include a silicon-containing core and a shell covering the surface of the silicon-containing core. The shell includes a hydrophilic layer covering the surface of the silicon-containing core and an alkali material covering the hydrophilic layer.

An apparatus for supplying gas includes: an ion chamber; and a gas supply unit connected to the ion chamber, wherein the gas supply unit includes: a case having an internal space; an inactive gas supply unit connected to the ion chamber; and a hydrogen gas supply unit installed inside or outside of the case, wherein the hydrogen gas supply unit includes: a hydrogen gas generator generating hydrogen gas; a controller connected to the hydrogen gas generator; a dehumidifying filter connected to the controller and removing moisture from the hydrogen gas; and a purifying filter connected to the dehumidifying filter and removing an impurity from the hydrogen gas, wherein the hydrogen gas generator is configured to generate the hydrogen gas through a chemical reaction between a reactant and a hydrogen-containing solid raw material.

A method and a device for generating of hydrogen are provided with which an instantaneous release of hydrogen in considerable amounts is possible. The method comprises a one or two step mixing including injecting the fuel and an activator fluid into a reaction chamber. The device is adapted to be operated with such a method. Further, a fuel suitable for the use with such a method is provided, the fuel being based on a dry metal hydride or a dry metal borohydride being dispersed in a non-aqueous dispersion medium. Moreover, a method for (re-) fuelling the hydrogen generating device at a service station and a method for supplying a service station with fuel are provided.

The present invention provides a gas generator and comprises an electrolysis device, a water supplying device, and a liquid level detector. The electrolysis device is configured for electrolyzing water to generate hydrogen. The water supplying device is coupled to the electrolysis device for supplying the supplementary water into the electrolysis device. The liquid level detector is coupled to an outer surface of the electrolysis device for detecting a liquid level of the electrolyzed water, wherein the gas generator supplies supplementary water into the electrolysis device according to the liquid level detected by the liquid level detector. The present invention is provided for measuring the liquid level by using the non-contact liquid level detector, and supplying supplementary water into the electrolysis device according to the liquid level to ensure that the electrolysis device contains sufficient water for electrolyzing, thereby improving the life and safety of the gas generator.

The present invention provides a gas generator and comprises an electrolysis device, a water supplying device, and a liquid level detector. The electrolysis device is configured for electrolyzing water to generate hydrogen. The water supplying device is coupled to the electrolysis device for supplying the supplementary water into the electrolysis device. The liquid level detector is coupled to an outer surface of the electrolysis device for detecting a liquid level of the electrolyzed water, wherein the gas generator supplies supplementary water into the electrolysis device according to the liquid level detected by the liquid level detector. The present invention is provided for measuring the liquid level by using the non-contact liquid level detector, and supplying supplementary water into the electrolysis device according to the liquid level to ensure that the electrolysis device contains sufficient water for electrolyzing, thereby improving the life and safety of the gas generator.

The present invention relates to a solid fuel, a system and a method for generating hydrogen. The solid fuel comprises sodium borohydride, catalyst loaded fibres and a binder, wherein the catalyst loaded fibres and the binder form a scaffold structure within which the sodium borohydride is positioned. The system comprises a fuel cartridge containing the solid fuel of the present invention for generating hydrogen gas, a reactor configured to house the fuel cartridge, a tank for storing water, a pump and a liquid conduit for conveying water from the tank to the fuel cartridge housed within the reactor to induce a hydrolysis reaction of the solid fuel contained in the fuel cartridge and a controller for regulating flow of the water.

Functionalized substrates are provided comprising a substrate and a plurality of transition metal dichalcogenide (TMD) heterostructures on a surface of the substrate, each TMD heterostructure comprising a TMD shell over a heterogeneous nucleation site, thereby providing a core-shell heterostructure, the heterogeneous nucleation site composed of a heterogeneous nucleation material; and a TMD wing extending outwardly from the core-shell heterostructure and non-parallel to and above the substrate surface. Electrocatalytic systems comprising the functionalized substrates are also provided.

Functionalized substrates are provided comprising a substrate and a plurality of transition metal dichalcogenide (TMD) heterostructures on a surface of the substrate, each TMD heterostructure comprising a TMD shell over a heterogeneous nucleation site, thereby providing a core-shell heterostructure, the heterogeneous nucleation site composed of a heterogeneous nucleation material; and a TMD wing extending outwardly from the core-shell heterostructure and non-parallel to and above the substrate surface. Electrocatalytic systems comprising the functionalized substrates are also provided.

One compound according to the present invention contains silicon fine particles having a capability of generating hydrogen or aggregates of the silicon fine particles. The compound that contains the silicon fine particles or the aggregates having a capability of generating hydrogen is capable of generating hydrogen in the body of, for example, an animal that has ingested the compound. For a plant, the compound can be disposed or charged into, for example, moisture (water-containing liquid) or fertilizer to be provided to the plant, to supply the plant with hydrogen generated from the compound.

One compound according to the present invention contains silicon fine particles having a capability of generating hydrogen or aggregates of the silicon fine particles. The compound that contains the silicon fine particles or the aggregates having a capability of generating hydrogen is capable of generating hydrogen in the body of, for example, an animal that has ingested the compound. For a plant, the compound can be disposed or charged into, for example, moisture (water-containing liquid) or fertilizer to be provided to the plant, to supply the plant with hydrogen generated from the compound.