A device for storing cryogenic fluid including a sealed internal shell delimiting the storage volume for the cryogenic fluid, a thermal insulation layer disposed around the internal shell, and a sealed external shell disposed around the insulation layer. The space between the internal shell and the external shell being under vacuum, the external shell resting on the periphery of the thermal insulation layer, and the thermal insulation layer having an insulating material of the “pressure-responsive” type. Also including a protective shell disposed around the external shell, and at least one supporting component having an end connected rigidly to the internal shell and a second end rigidly connected to the protective shell such that such that the assembly having the internal shell. The external shell and the thermal insulation layer under vacuum is suspended in the protective shell via the at least one supporting component.

A hydrogen storage system includes a hydrogen storage alloy containment vessel comprising an external pressure containment vessel and a thermally conductive compartmentalization network disposed within the pressure containment vessel. The compartmentalization network creates compartments within the pressure vessel within which a hydrogen storage alloy is disposed. The compartmentalization network includes a plurality of thermally conductive elongate tubes positioned within the pressure vessel forming a coherent, tightly packed tube bundle providing a thermally conductive network between the hydrogen storage alloy and the pressure vessel. The hydrogen storage alloy is a non-pyrophoric AB.sub.2-type Laves phase hydrogen storage alloy having: an A-site to B-site elemental ratio of not more than 0.5; and an alloy composition including (in at %): Zr: 2.0-5.5, Ti: 27-31.3, V: 8.3-9.9, Cr: 20.6-30.5, Mn: 25.4-33.0, Fe: 1.0-5.9, Al: 0.1-0.4, and/or Ni: 0.0-4.0.

The invention discloses a bimetallic cryogenic membrane storage compartment for liquefied natural gas (LNG) storage. The invention is based on the design of bimetallic membrane panels and two insulating panels to achieve two completely independent insulation spaces, fully meeting the relevant requirements of the amendments to the International Code for the Construction and Equipment of Ships Carrying Liquefied Natural Gas in Bulk (“IGC CODE”) adopted on May 22, 2014. The invention improves the safety of the cryogenic membrane storage compartment, reduces the limitation of free liquid level loading of liquid cargo in the cargo compartment, reduces the application and time consuming of low-temperature resistant glue in the construction process, and adopts the more mature and safe design method of welding bimetallic membrane panels and the environmental protection method of prefabricated foam insulation panels, thus reducing the construction workload, shortening the construction cycle and improving the safety of the equipment.

A prismatic tank for the containment of liquefied gas. The tank is formed of extruded materials and comprises an outer insulation layer.

Embodiments of a propane tank valve are provided. In one embodiment, the propane tank valve includes a plug with a tapered portion, the plug moveable between closed and open positions relative to a valve passageway. Upon the plug being in the closed position, the tapered portion of the plug is positioned within the valve passageway. Upon the plug being initially moved from the closed position to the open position, the tapered portion of the plug is sized and configured to initially minimize the gas flow from the valve passageway and through a flow limiting device configured to be coupled to the propane tank valve such that movement of the tapered portion from the closed plug position initially forms a gap between a tapered surface of the tapered portion and an internal surface of the valve passageway.

A method of coating a high-pressure fluid vessel comprises filling a high-pressure fluid vessel with a coating solution, draining the coating solution, and drying a remainder of the coating solution in the high-pressure fluid vessel. The coating solution may include a thermoplastic elastomer that is hard with a low glass transition temperature and a high melting temperature. Drying the remainder of the coating solution may form a food grade coating within the high-pressure fluid vessel.

A compressed pressure vessel suitable for serving as construction element for building energy storage constructions thereof is described. The compressed pressure vessel comprises a first, inner, segment, wherein the inner segment comprises an inlet for filling or emptying the inner segment and wherein the inner segment is suitable for storing hydrogen, and a second, outer, segment, the outer segment adapted for being filled with a fluid, different from hydrogen, wherein the outer segment is substantially fully encompassing the inner segment.

A gas enclosure of can include a refractory metal liner adapted to surround and enclose a gas to be contained; a ceramic matrix composite cladding; and a diffusion barrier layer disposed between the refractory metal liner and the ceramic matrix composite cladding.

A large volume natural gas storage tank comprises rigid tubular walls having closed tubular cross-sections that are interconnected at opposing ends with two other rigid tubular walls such that interiors of the rigid tubular walls define an interior fluid storage chamber. The storage tank also includes bulkheads positioned in the interior fluid storage chamber across intermediate segments of the rigid tubular walls and closure plates connected between exterior surfaces of successive interconnected rigid tubular walls to define sides of the storage tank. Interior surfaces of the closure plates and exterior surfaces of the rigid tubular walls define an auxiliary fluid storage chamber. The storage tank also includes exterior support structures extending through the closure plates and between the exterior surfaces of the rigid tubular walls on some of the sides of the storage tank to reinforce the storage tank against dynamic loading from fluid in the interior fluid storage chamber.

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.