A plant for delivering hydrogen includes a hydrogen tank and at least one pipe for delivering hydrogen. At least one surface of the hydrogen tank or of the hydrogen delivery pipe is covered with a two-dimensional material mixed with a polydopamine-type polymer.

A tank including an enclosure including a tubular body and first and second end walls at the ends of the tubular body, a plurality of equipment units positioned in the enclosure, at least one equipment support to which the equipment units are connected positioned in the enclosure and connected to the enclosure and a method of manufacturing this tank. The equipment units are fixed to the equipment support outside the enclosure, which simplifies putting them into place and limits the risks of damage. Moreover, they are all introduced into the enclosure at the same time, which makes it possible to reduce the time to manufacture the tank.

A sectional inner liner of a pressure vessel comprising the sectional inner liner and an outer layer disposed around the sectional inner liner, the sectional inner liner comprising: at least two inner liner sections, wherein each inner liner section comprises an internal network structure; and at least two cap sections, wherein, the at least two cap sections and at least two inner liner sections are configured to assemble into a sectional inner liner.

A manufacturing method of a high-pressure tank includes a step of forming a first reinforcing body involving cooling a first resin-impregnated fiber bundle fed from a fiber bundle feeding device and having a first temperature to a second temperature lower than the first temperature and winding the cooled first resin-impregnated fiber bundle around a mandrel or a liner. The first resin-impregnated fiber bundle includes fine particles that contain an acrylic resin or a butadiene resin as a main component. A high-pressure tank including the liner that houses gas and the first reinforcing body that covers an outer surface of the liner is manufactured.

A pressure vessel includes curved sidewalls configured as a frame having a polygonal outline, a planar top side and a planar bottom side attached to the curved sidewalls forming a sealed pressure chamber therebetween. Each planar side includes a contoured surface having shaped pressure resistant features formed thereon. A preferred method for forming the pressure resistant features includes hydraulic pressurization to induce plastic strain. The pressure vessel also includes an array of internal support posts within the sealed pressure chamber attached to the planar sides in a geometrical pattern, such as a hexagonal array. The support posts can be solid metal cylinders, hollow tubes or tubes through which reinforcing materials, such as carbon fiber, glass fiber, or fiber/epoxy tape have been passed. A composite pressure vessel includes tubular internal support posts reinforced with reinforcing materials, as well as contoured surfaces and curved sidewalls reinforced with these same reinforcing materials.

A tank includes a liner that includes a barrel portion in a cylindrical shape and a pair of dome portions provided at both ends of the barrel portion in the axial direction, and a reinforcing layer that covers the liner and that is formed from a fiber reinforced resin formed by impregnating a fiber bundle with a resin. A portion of the reinforcing layer that covers the dome portions includes a radial arrangement layer in which fibers of the fiber bundle are arranged radially along the radial direction of the dome portions when seen in the direction of an axis of the tank.

In the vicinity of an opening end of a first liner constituent member and a second liner constituent member made of a resin material, a flange portion is formed. After end surfaces of the opening end are abutted and joined to each other, the flange portion is removed in such a way that a part of a bottom portion remains. The remaining amount of protrusion is set such that the joint strength of a joint portion is not less than the tensile strength of the resin material or not less than the cohesion failure strength of the joint portion.

A manufacturing method for a high-pressure tank liner achieves a good welding quality between a pair of liner halves without removing burrs in advance before welding together the liner halves, includes steps of: arranging the pair of liner halves to face each other; adjusting parallelism between end surfaces of the liner halves; and welding the end surfaces of the liner halves together to integrate them, wherein the step of adjusting the parallelism is performed by clamping the parallelism adjustment jig between the end surfaces of the liner halves while avoiding the burrs formed on the end surfaces of the liner halves.

A system for powering a vehicle is provided. The system can include an engine or power generation system to be powered by a fuel and a housing. The housing can be configured to couple to one or more frame rails of the vehicle, receive and protect a cylinder configured to store the fuel to be used by the engine or power generation system. The housing can have one or more access panels allowing access to an interior of the housing. The cylinder can include a first end portion, a second end portion, a central body forming an enclosed cavity for storing pressurized gas, a reinforcement structure disposed over the central body, and a metal foil interposed between the reinforcement structure and central body. The metal foil can be configured to reduce permeation of contents of the cylinder.

A system for powering a vehicle is provided. The system can include an engine or power generation system to be powered by a fuel and a housing. The housing can be configured to couple to one or more frame rails of the vehicle, receive and protect a cylinder configured to store the fuel to be used by the engine or power generation system. The housing can have one or more access panels allowing access to an interior of the housing. The cylinder can include a first end portion, a second end portion, a central body forming an enclosed cavity for storing pressurized gas, a reinforcement structure disposed over the central body, and a metal foil interposed between the reinforcement structure and central body. The metal foil can be configured to reduce permeation of contents of the cylinder.