CN114636095A - Fiber-wound hydrogen storage bottle with polyurea coating and plastic liner - Google Patents

Fiber-wound hydrogen storage bottle with polyurea coating and plastic liner Download PDF

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Publication number
CN114636095A
CN114636095A CN202210326602.0A CN202210326602A CN114636095A CN 114636095 A CN114636095 A CN 114636095A CN 202210326602 A CN202210326602 A CN 202210326602A CN 114636095 A CN114636095 A CN 114636095A
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CN
China
Prior art keywords
hydrogen storage
storage bottle
polyurea
polyurea coating
winding layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210326602.0A
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Chinese (zh)
Inventor
张旭之
林�源
袁明年
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Energy Hydrogen Storage Beijing Energy Engineering Research Institute Co ltd
Yulin Yuyang Industrial Development And Construction Co ltd
Original Assignee
Sinohydro Guochu Hangzhou Precision Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sinohydro Guochu Hangzhou Precision Manufacturing Co ltd filed Critical Sinohydro Guochu Hangzhou Precision Manufacturing Co ltd
Priority to CN202210326602.0A priority Critical patent/CN114636095A/en
Publication of CN114636095A publication Critical patent/CN114636095A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/16Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/02Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
    • F16C1/06Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements with guiding sheathing, tube or box
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/10Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for protection against corrosion, e.g. due to gaseous acid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/12Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00Vessel construction, in particular walls or details thereof
    • F17C2203/06Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602Wall structures; Special features thereof
    • F17C2203/0607Coatings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00Vessel construction, in particular walls or details thereof
    • F17C2203/06Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602Wall structures; Special features thereof
    • F17C2203/0612Wall structures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00Vessel construction, in particular walls or details thereof
    • F17C2203/06Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634Materials for walls or layers thereof
    • F17C2203/0658Synthetics
    • F17C2203/066Plastics

Abstract

The invention discloses a fiber-wound hydrogen storage bottle with a polyurea coating and a plastic liner, which comprises a liner, wherein the liner is a plastic liner, a winding layer is wound outside the liner by adopting fibers, and the polyurea coating is sprayed outside the winding layer by adopting a polyurea material; this application forms the polyurea coating through adopting the polyurea material spraying outside the winding layer of hydrogen storage bottle, carries out outer protection to hydrogen storage bottle, because the polyurea coating has heat resistance, tensile resistance, anticorrosive, scour protection and grinds nature, pollution-free nature in transportation and installation, can compensate the defect that epoxy exists through spraying the polyurea coating to the security of better improvement hydrogen storage bottle.

Description

Fiber-wound hydrogen storage bottle with polyurea coating and plastic liner
Technical Field
The invention relates to the technical field of composite high-pressure containers, in particular to a fiber-wound hydrogen storage bottle with a polyurea coating and a plastic liner.
Background
The hydrogen energy is an ideal clean energy with high energy density and no pollution, and can be directly obtained from fossil raw materials or prepared by water electrolysis as a secondary energy. The development of hydrogen energy economy can reduce the emission of greenhouse gases and fine particles, realize energy diversification, and take hydrogen energy as the strategic development direction of future new energy in various national regions throughout the world. With the utilization of hydrogen energy, the hydrogen storage technology is rapidly developed, the existing small-sized hydrogen storage mainly utilizes a hydrogen storage bottle for storage, the I-type technology and the II-type technology are relatively mature, the III-type bottle adopts aluminum alloy as a liner, and has the advantages of light weight, high hydrogen storage density and the like, but the metal hydrogen embrittlement effect is more obvious along with the rise of hydrogen storage pressure, the upgrading space is limited by directly using the existing three-type bottle technical route, and the four-type bottle adopting the plastic liner winding has the characteristics of corrosion resistance, light weight, high strength, high hydrogen storage density per unit mass, long cycle life and low cost, is the development direction of the existing hydrogen storage bottle, and has good development prospect. The hydrogen storage bottle made of any material is cured by epoxy resin, but is hard but easily scratched, and has poor damping effect when being installed and fixed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a fiber-wound hydrogen storage bottle with a polyurea coating and a plastic liner, which has higher safety.
The technical scheme adopted by the invention is as follows:
the utility model provides a fibre winding's plastics inner bag hydrogen storage bottle with polyurea coating, includes the inner bag, the inner bag is the plastics inner bag adopt the fibre winding to have the winding layer outside the inner bag, adopt polyurea material spraying to have the polyurea coating outside the winding layer.
Further, the polyurea coating thickness was 1 mm.
Further, the polyurea material is prepared from a component A and a component B, wherein the ratio of the component A to the component B is 2: 1.
Further, the inner container comprises a bottle opening, a bottle bottom and a bottle body arranged between the bottle opening and the bottle bottom, and the bottle body is of a cylindrical structure.
Further, the winding layer is wound on the periphery of the bottle body of the inner container.
Furthermore, a connecting glue layer is arranged between the winding layer and the inner container.
Furthermore, the winding layer sequentially comprises a first winding layer, a second winding layer and a third winding layer from inside to outside, the first winding layer is wound on the periphery of the bottle body in an axial spiral mode along the inner container, the second winding layer is wound on the periphery of the first winding layer in an annular mode, and the third winding layer is wound on the periphery of the second winding layer in an axial crossed mode along the inner container.
Furthermore, the winding layer is made of epoxy resin or basalt fiber.
Furthermore, the connecting glue layer is made of epoxy resin.
Further, the polyurea coating is formed by spraying according to the following method:
s1, fixing the wound and solidified hydrogen storage bottle on a fixing bracket, and placing the hydrogen storage bottle in an environment with the room temperature of 25 ℃ and the relative humidity of 40%;
s2, uniformly brushing the prepared polyurea material on the surface of the hydrogen storage bottle by using a brush, and standing for 30 minutes to solidify the polyurea material;
s3, placing the hydrogen storage bottle coated with the polyurea material in a drying box with the temperature of 25 ℃ for curing for 168 hours to obtain the hydrogen storage bottle with the polyurea coating.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of a fiber-wrapped hydrogen storage cylinder with a plastic liner having a polyurea coating according to an embodiment of the present application;
fig. 2 is an enlarged view of a portion a of fig. 1.
The bottle comprises an inner container 1, a bottle opening 11, a bottle bottom 12, a winding layer 2, a first winding layer 21, a second winding layer 22, a third winding layer 23, a polyurea coating 3 and a connecting glue layer 4.
Detailed Description
The embodiments of the present invention will be described in detail with reference to specific embodiments. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Referring to fig. 1-2, the fiber-wound hydrogen storage bottle with the polyurea coating comprises an inner container 1, wherein the inner container 1 is a plastic inner container, a winding layer 2 is wound outside the inner container 1 by fibers, and the polyurea coating 3 is sprayed outside the winding layer 2 by polyurea materials.
Polyurea materials are a class of compounds formed by the reaction of an isocyanate component with an amino compound. The melting point is as high as 320 ℃, the density is small, and the paint has good heat resistance, dyeing property and corrosion resistance. The tensile strength of the fiber is 0.0441-0.0539N/denier, the elongation is 23%, the fiber is used as a protection technology, is mainly used in four fields of water prevention, corrosion prevention, scouring prevention and surface decoration, does not contain a catalyst, and is quickly cured. The paint is insensitive to moisture and temperature, is not influenced by the ambient temperature and humidity during construction, has two components, has 100 percent of solid content, does not contain any Volatile Organic Compound (VOC), has no pollution to the environment, and has extremely high tensile impact strength, flexibility, wear resistance, moisture and slip resistance, aging resistance and corrosion resistance. Has good thermal stability, can be used for a long time at 120 ℃, and can bear short-time thermal shock at 350 ℃.
This application forms polyurea coating 3 outside winding layer 2 of hydrogen storage bottle through adopting the polyurea material spraying, carries out outer protection to hydrogen storage bottle, because the polyurea coating has heat resistance, tensile resistance, anticorrosive, scour protection and grinds nature, pollution-free in transportation and installation, can compensate the defect that epoxy exists through spraying polyurea coating to the security of better improvement hydrogen storage bottle.
The polyurea material is prepared from a component A and a component B, wherein the ratio of the component A to the component B is 2: 1. Wherein, the polyurea A component is a semi-prepolymer prepared by the reaction of a hydroxyl-terminated compound and isocyanate, and the polyurea B component is a mixture composed of an amino-terminated resin and an amino-terminated chain extender.
The component A and the component B are commercially available products, and in the application, the component A and the component B of the polyurea adopt reinforced polyurea (Longdun hand-coating type) protective materials, namely Longdun anti-explosion coatings (hand-coating type), which are produced by Shanxi protection (Shanxi) science and technology limited company.
The liner 1 comprises a bottle opening 11, a bottle bottom 12 and a bottle body arranged between the bottle opening and the bottle bottom, wherein the bottle body is of a cylindrical structure. Polyurea coating 3 coats at the bottleneck of inner bag and the circular arc structure position and the body at the bottle bottom, and polyurea coating thickness is 1 mm.
In one exemplary embodiment, a hydrogen storage bottle having a volume of 10L, a mass of 3964 g before coating and an outer diameter of 162.4mm, and a total mass of 4170 g, an outer diameter of 163.4mm and a spray thickness of 1mm after coating with the polyurea coating.
The winding layer 2 is wound on the periphery of the bottle body of the inner container 1, and a connecting glue layer 4 is arranged between the winding layer 2 and the inner container 1. Specifically, the winding layer 2 sequentially comprises a first winding layer 21, a second winding layer 22 and a third winding layer 23 from inside to outside, the first winding layer 21 is wound on the periphery of the bottle body in an axial spiral mode through the liner 1, the second winding layer 22 is wound on the periphery of the first winding layer 21 in an annular mode, and the third winding layer 23 is wound on the periphery of the second winding layer 22 through the liner 1 in an axial crossed mode. The connecting glue layer 4 is arranged between the inner container 1 and the first winding layer 21.
Through set up the first winding layer of connecting glue film and the spiral winding of circumference between inner bag and the annular second winding layer for axial stress between inner bag and the annular second winding layer offsets, thereby has eliminated the layering fracture.
The winding layer adopts epoxy resin or basalt fiber to generate better compressive stress on the inner container; carbon fibers, glass fibers or composite fibers may also be used.
The connecting glue layer is mainly used for connecting the inner container and the first winding layer. The connection glue layer can be epoxy resin.
The polyurea coating is formed by spraying the following method:
s1, fixing the wound and solidified hydrogen storage bottle on a fixing bracket, and placing the hydrogen storage bottle in an environment with the room temperature of 25 ℃ and the relative humidity of 40 percent.
Specifically, the hydrogen storage bottle is formed by winding basalt with the volume of 10L, which is normally solidified, into the hydrogen storage bottle, wherein the mass of the basalt is 3964 g, and the outer diameter of the basalt is 162.4 mm; the hydrogen storage bottle was fixed to a fixing frame, and the room temperature in the environment was kept at 25 ℃ and the relative humidity was 40%. To prevent contamination of the spray, a clean film is laid on the floor.
S2, uniformly brushing the prepared polyurea material on the surface of the hydrogen storage bottle by using a brush, and standing for 30 minutes to solidify the polyurea material.
The polyurea material is prepared according to the specification, specifically, 200 g of the polyurea A component is taken and poured into a clean measuring cup, 100 g of the polyurea B component is taken and poured into another measuring cup, then the polyurea B component is poured into the measuring cup of the A component, timing is started, and a glass rod is used for stirring uniformly along the clockwise direction to fully fuse the two components. When stirring, the reaction change condition is observed while stirring, the stirred mixture is black ink color, is in a fluid state after being lifted by a glass rod, has low viscosity, gradually increases viscosity along with the prolonging of time, is in a thread-drawing state in 10 minutes, is in a paste state in 15 minutes, is in a jelly state in 20 minutes, and has the feeling of sticking hands when being touched by hands. Cured at 30 minutes and had some elasticity.
The prepared polyurea material is uniformly coated on the surface of the hydrogen storage bottle, and the polyurea coating is solidified after about 30 minutes, has black and bright appearance and is elastic to touch by hands.
S3, placing the hydrogen storage bottle coated with the polyurea material in a drying box with the temperature of 25 ℃ for curing for 168 hours to obtain the hydrogen storage bottle with the polyurea coating.
The hydrogen storage bottle coated with the polyurea material is placed in a drying box for drying, so that the polyurea coating can achieve the optimal curing effect.
The hydrogen storage bottle has the advantages that the polyurea coating is formed by spraying the polyurea material on the surface of the fiber winding plastic liner hydrogen storage bottle, the compression resistance, the impact resistance and the wear resistance of the hydrogen storage bottle are protected and guaranteed under the condition that the physical and chemical properties of the plastic liner and the quality of the winding layer are not influenced and changed, and the hydrogen storage bottle has the advantages of convenience in preparation and operation, low cost, high efficiency and environmental friendliness.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixedly connected and detachably connected, or integrally formed; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims (10)

1. The utility model provides a fibre winding's plastics inner bag hydrogen storage bottle with polyurea coating, includes the inner bag, its characterized in that, the inner bag is the plastics inner bag adopt the fibre winding to have the winding layer outside the inner bag, adopt polyurea material spraying to have the polyurea coating outside the winding layer.
2. The fiber wound plastic liner hydrogen storage bottle with a polyurea coating of claim 1, wherein the polyurea coating thickness is 1 mm.
3. The fiber wound plastic liner hydrogen storage bottle with polyurea coating of claim 1, wherein the polyurea material is made of component a and component B, the ratio of component a to component B being 2: 1.
4. The fiber-wrapped plastic liner hydrogen storage bottle with polyurea coating of claim 1, wherein the liner comprises a bottle mouth, a bottle bottom and a bottle body arranged between the bottle mouth and the bottle bottom, the bottle body is of a cylindrical structure.
5. The fiber wound plastic liner hydrogen storage bottle with polyurea coating of claim 4, wherein the winding is wound around the outer circumference of the body of the liner.
6. The fiber-wrapped plastic liner hydrogen storage bottle with a polyurea coating as claimed in claim 5, wherein a connecting glue layer is provided between the wrapping layer and the liner.
7. The fiber-wound hydrogen storage bottle with a polyurea coating according to claim 4, wherein the winding layer comprises a first winding layer, a second winding layer and a third winding layer from inside to outside in sequence, the first winding layer is wound around the periphery of the bottle body spirally along the axial direction of the liner, the second winding layer is wound around the periphery of the first winding layer in an annular manner, and the third winding layer is wound around the periphery of the second winding layer in an axial crossing manner along the liner.
8. The fiber-wrapped plastic liner hydrogen storage bottle with a polyurea coating as claimed in claim 7, wherein the wrapping layer employs epoxy or basalt fiber.
9. The fiber wound plastic liner hydrogen storage bottle with a polyurea coating of claim 6, wherein the tie glue layer is an epoxy.
10. The fiber wound plastic liner hydrogen storage bottle with a polyurea coating as claimed in any one of claims 1 to 9, wherein the polyurea coating is sprayed by a method comprising:
s1, fixing the wound and solidified hydrogen storage bottle on a fixing bracket, and placing the hydrogen storage bottle in an environment with the room temperature of 25 ℃ and the relative humidity of 40%;
s2, uniformly brushing the prepared polyurea material on the surface of the hydrogen storage bottle by using a brush, and standing for 30 minutes to solidify the polyurea material;
s3, placing the hydrogen storage bottle coated with the polyurea material in a drying box with the temperature of 25 ℃ for curing for 168 hours to obtain the hydrogen storage bottle with the polyurea coating.
CN202210326602.0A 2022-03-30 2022-03-30 Fiber-wound hydrogen storage bottle with polyurea coating and plastic liner Pending CN114636095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210326602.0A CN114636095A (en) 2022-03-30 2022-03-30 Fiber-wound hydrogen storage bottle with polyurea coating and plastic liner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210326602.0A CN114636095A (en) 2022-03-30 2022-03-30 Fiber-wound hydrogen storage bottle with polyurea coating and plastic liner

Publications (1)

Publication Number Publication Date
CN114636095A true CN114636095A (en) 2022-06-17

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114571712A (en) * 2022-03-30 2022-06-03 中氢国储(杭州)精密制造有限公司 Winding structure and method for plastic inner container of composite high-pressure hydrogen storage container

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114571712A (en) * 2022-03-30 2022-06-03 中氢国储(杭州)精密制造有限公司 Winding structure and method for plastic inner container of composite high-pressure hydrogen storage container

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Effective date of registration: 20220704

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