Advances on materials design and manufacture technology of plastic liner of type Ⅳ hydrogen storage vessel

Wang, Xiulei; Tian, Mingming; Chen, Xuedong; Xie, Pengcheng; Yang, Jianing; Chen, Junxiang; Yang, Weimin

doi:10.1016/j.ijhydene.2021.12.198

Cited by 43 publications

(26 citation statements)

References 205 publications

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“…Figure 6 illustrates the unique advantages of our proposed approach. Benefiting from the improved k c of polymer composites, the heat accumulated during the charging and discharging process of hydrogen storage tanks can be transferred quickly, thereby reducing the impact of short-term high temperatures on the mechanical properties and gas barrier properties [2,40] of the polymer liners.…”

Section: K C Of Gfs/hdpe Compositesmentioning

confidence: 99%

“…[1] To ensure the use efficiency of type IV tanks, it is usually necessary to charge at a very high rate (generally 2-5 kg/min). [2] However, in the fast-charging process, the Joule-Thomson effect caused by the rapid volume expansion of gaseous hydrogen passing through the valve and the compression of gaseous hydrogen will rapidly increase the temperature of the hydrogen tanks. [3,4] Due to the traditional polymers' poor thermal conductivity (k c ), the rapidly accumulated thermal energy can soften and deform the polymer liners, thus resulting in reduced mechanical and hydrogen barrier properties.…”

Section: Introductionmentioning

confidence: 99%

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Effects of interfaces and ordered microstructures on thermal properties of graphene flakes/polyethylene composites

et al. 2022

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The lightweight type IV hydrogen storage tanks put forward higher requirements for the thermal properties of the polymer liners. To improve the thermal properties, graphene flakes (GFs) were used as fillers to reinforce high-density polyethylene (HDPE). The effects of the interfaces between GFs and polymer matrix and the ordered microstructures on the thermal properties of composites were discussed. The results showed that the ordered arrangement of the composite microstructures can significantly improve its thermal conductivity (k c ). At 0.5 wt% GFs loading, the ordered composite k c reached 6.052 W/(m K), corresponding to 11.8 times that of unoriented pure HDPE. The effect of interfaces on k c was qualitatively analyzed by scratching GFs on the cross-section of the composites. Although GFs form continuous networks with high k c in the polymer matrix, the interface defects between GFs and HDPE matrix lead to increased interfacial thermal resistance at high GFs concentrations. Therefore, the thermal enhancement coefficient of the composites decreases with the increase in GFs concentration. Moreover, mixing GFs can increase the initial thermal degradation temperature of the composites by 15.9 C and the Vicat softening point by 1.6 C. This work will provide an essential reference for the application of polymers in type IV tanks.

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Section: K C Of Gfs/hdpe Compositesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of interfaces and ordered microstructures on thermal properties of graphene flakes/polyethylene composites

et al. 2022

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“…When used for high-pressure vessels and pipelines, polymer liners can provide higher energy storage density and are more cost-effective than metal liners [ 5 , 6 , 7 ]. Hence, type Ⅳ hydrogen storage vessels (type Ⅳ vessels) with polymer liners have more significant value for onboard hydrogen storage than type Ⅲ vessels [ 8 , 9 , 10 , 11 ]. Polymers are typically employed for type IV vessel liners, including PA, HDPE, PET and PU [ 12 , 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

“…It has been established that the main factors affecting the service performance of PA are pressure, temperature, time (aging) and material properties [ 18 , 19 , 20 ]. The pressure and temperature are determined by the external use conditions of polymer materials, while the properties of the materials, such as crystallinity, orientation, free volume, and filler, are determined by processing conditions, the chemical structure and other factors [ 8 , 15 ]. Therefore, many scholars have studied the performance of the liner material.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Cooling Rates on Thermal, Crystallization, Mechanical and Barrier Properties of Rotational Molding Polyamide 11 as the Liner Material for High-Capacity High-Pressure Vessels

Cheng

et al. 2023

Molecules

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The rapid development of hydrogen fuel cells has been paralleled by increased demand for lightweight type IV hydrogen storage vessels with high hydrogen storage density, which raises the performance requirements of internal plastic liners. An appropriate manufacturing process is important to improve the quality of polymer liners. In this paper, DSC, WAXD, a universal testing machine and a differential pressure gas permeameter were used to investigate the effect of the cooling rate of the rotational molding polyamide 11 on the thermal, crystallization, mechanical and barrier properties. The cooling rate is formulated according to the cooling rate that can be achieved in actual production. The results suggest that two PA11 liner materials initially exhibited two-dimensional (circular) growth under non-isothermal crystallization conditions and shifted to one-dimensional space growth due to spherulite collision and crowding during the secondary crystallization stage. The slower the cooling process, the greater the crystallinity of the specimen. The increase in crystallinity significantly improved the barrier properties of the two PA11 liner materials, and the gas permeability coefficient was 2-3-fold higher than at low crystallinity. Moreover, the tensile strength, the tensile modulus, the flexural strength, and the flexural modulus increased, and the elongation at break decreased as the crystallinity increased.

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“…Because of its abundant supply, low pollution, and high calorific value, hydrogen energy has emerged as a significant answer to the energy problem and to achieving the “double carbon” target. Hydrogen-powered vehicles have emerged as the future vehicle trend [ 1 , 2 , 3 ]. A composite-overwrapped pressure vessel is a fiber-wrapped composite construction with many layers.…”

Section: Introductionmentioning

confidence: 99%

Simulation Analysis of Delamination Damage for the Thick-Walled Composite-Overwrapped Pressure Vessels

Fang

Wang

2022

Materials

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In order to verify the delamination damage occurring in thick-walled composite-overwrapped pressure vessels, firstly, for composite delamination damage, a composite laminate model was established. Model I and model II delamination failure processes of composite structures were simulated and verified based on a tiebreak contact algorithm for different mesh sizes, respectively, and the approximate equivalent results were achieved by correcting the inter-ply strength. Then, for in-plane damage to composite materials, the elastic–plastic process was verified by selecting a progressive damage model, with quasistatic nonlinear tensile shear of sample specimens as an example. Further, under the purpose of generality and simplicity, the location of the first occurrence of delamination failure was simulated and analyzed with the tiebreak contact algorithm and a reasonable mesh size, using quasistatic loading of a thick composite-overwrapped pressure vessel cylindrical section as an example. The results showed that delamination occurred at approximately the center, which is in general agreement with the experimentally observed phenomenon. On this basis, the locations of the first significant delamination phenomena in composite-overwrapped vessels under three different ratios of plus or minus 45-degree layup angles were predicted. Finally, the differences in structural strength between the single laying methods and the combined laying method were compared. The results showed that the ratio of 50% had a higher modulus value than a pure 0° ply, but too large a ratio was detrimental to the improvement of structural properties.

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Advances on materials design and manufacture technology of plastic liner of type Ⅳ hydrogen storage vessel

Cited by 43 publications

References 205 publications

Effects of interfaces and ordered microstructures on thermal properties of graphene flakes/polyethylene composites

Effects of interfaces and ordered microstructures on thermal properties of graphene flakes/polyethylene composites

The Effect of Cooling Rates on Thermal, Crystallization, Mechanical and Barrier Properties of Rotational Molding Polyamide 11 as the Liner Material for High-Capacity High-Pressure Vessels

Simulation Analysis of Delamination Damage for the Thick-Walled Composite-Overwrapped Pressure Vessels

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