An electrode catalyst for an oxygen reduction reaction including intermetallic L1.sub.0-NiPtAg alloy nanoparticles having enhanced ORR activity and durability. The catalyst including intermetallic L1.sub.0-NiPtAg alloy nanoparticles is synthesized by employing silver (Ag) as a dopant and annealing under specific conditions to form the intermetallic structure. In one example, the intermetallic L1.sub.0-NiPtAg alloy nanoparticles are represented by the formula: Ni.sub.xPt.sub.yAg.sub.z wherein 0.4≤x≤0.6, 0.4≤y≤0.6, z≤0.1.

Disclosed is an Offshore Energy Generation System (OEGS), zero greenhouse gases emissions during operations, earthquake and tsunami proof, nuclear meltdown safe, floating ship-shaped, moored. The INVENTION delivers clean energy in the form of electricity and/or ammonia (NH.sub.3) and freshwater to offshore or onshore consumers. The INVENTION is effective, affordable and reliable solution for the global climate change and the freshwater scarcity crisis. By deploying this INVENTION across the world, the net zero emissions targets from IPCC can be achieved and the water scarcity crisis mitigated. The INVENTION enables better safety of the population served, optimal use of land, eliminate land use conflicts and enables the protection of the world cultural heritage. The INVENTION comprises of an electric power generation system based on nuclear or hydrogen (H.sub.2) fuel cells, ammonia generation, freshwater generation, offshore cranes, data processing centers, blockchain, helideck, telecommunications system, automation and control system, nitrogen and hydrogen generation systems.

Summary

The present application relates to a catalyst for hydrogen evolution reaction (HER) including a transition metal matrix and noble metal atoms formed in the transition metal matrix, in which the noble metal atoms have oxygen adsorbed thereto, and oxygen is derived from the transition metal matrix.

A method for recovering hydrogen which is capable of efficiently recovering high concentration hydrogen gas by adsorbing and removing hydrocarbon gas such as carbon dioxide from biomass pyrolysis gas under a relatively low pressure, and also capable of storing the recovered high concentration hydrogen gas, preferably, in a cartridge type container that can be used as is as a hydrogen storing container for an apparatus equipped with a fuel cell. The method includes a first purifying stare of purifying biomass pyrolysis gas and a second purifying stage of purifying the obtained purified gas under a pressure equal to or less than the pressure in the first purifying stage to recover gas that contains hydrogen, and further includes a hydrogen storing stage of feeding the gas containing hydrogen recovered in the second purifying stage into the container filled with a hydrogen storage alloy and storing high purity hydrogen.

A method for recovering hydrogen which is capable of efficiently recovering high concentration hydrogen gas by adsorbing and removing hydrocarbon gas such as carbon dioxide from biomass pyrolysis gas under a relatively low pressure, and also capable of storing the recovered high concentration hydrogen gas, preferably, in a cartridge type container that can be used as is as a hydrogen storing container for an apparatus equipped with a fuel cell. The method includes a first purifying stare of purifying biomass pyrolysis gas and a second purifying stage of purifying the obtained purified gas under a pressure equal to or less than the pressure in the first purifying stage to recover gas that contains hydrogen, and further includes a hydrogen storing stage of feeding the gas containing hydrogen recovered in the second purifying stage into the container filled with a hydrogen storage alloy and storing high purity hydrogen.

Salt caverns with an inner container for storing electrical energy as a flow battery are provided. The salt caverns with an inner container for storing electrical energy as a flow battery comprises an air bag, a second pipeline and a first pipeline. The airbag is located in an underground salt cavern, the salt cavern is full of brine, and a liquid electrolyte is stored in the airbag. One end of the second pipeline is connected with the airbag while the other end thereof is located on the ground, and the second pipeline is used for filling the liquid electrolyte into the airbag. The first pipeline sleeves the second pipeline, one end of the first pipeline is connected with a shaft inlet of the salt cavern while the other end thereof is located on the ground, and the first pipeline is used for discharging the brine from the salt cavern.

A fuel solution introducing method introduces a fuel solution into a tire. The tire includes a transmitter configured to transmit data that includes a detection result detected by a sensor to a receiver. The transmitter is operated with, as a power source, an organic power generation element configured to generate power through a chemical reaction with organic matter contained in the fuel solution. The fuel solution introducing method includes introducing the fuel solution and gas into the tire from a tire valve arranged on a wheel to which the tire is attached.

Provided is a method for providing an integrated system for water treatment energized by sustainable hydrogen, including the steps of: generating electrical power from at least two renewable power producing systems, wherein the renewable power producing systems comprise at least a solar photovoltaic cell and a wind turbine; converting the electrical power with a controller in electrical communication with the two renewable power producing systems and a power bus to power an electrolyzer.

A bonding device of a fuel cell part is disclosed. The bonding device of the fuel cell part may bond an upper gas diffusion layer and a lower gas diffusion layer to top and bottom surfaces of an MEA base material through adhesive layers, while disposing the MEA base material between the upper gas diffusion layer and the lower gas diffusion layer, and may include: a lower die that supports the MEA base material, the upper gas diffusion layer, and the lower gas diffusion layer to be bonded with each other; an upper die installed in an upper side of the lower die; and an ultrasonic wave vibration source that is installed to be capable of moving in a vertical direction at opposite sides of the upper die, compressing the upper gas diffusion layer, and applying ultrasonic wave vibration energy to the adhesive layer.

A hybrid power system for an unmanned aerial system (UAS) having a liquid fuel engine and a solid oxide fuel cell coupled to the exhaust of the engine for generating electricity that is used by the electric motors of the UAS to create lift and control flight. A conventional remote control (r/c) liquid fuel engine may be used generate exhaust gases including hydrogen and carbon monoxide that are used by a SOFC coupled to the exhaust of the r/c engine to generate electricity. The electric motors of the UAS may thus be powered by the electricity generated by the SOFC.