Hydrogen discharging and thermal behaviors of ZrCo based hydrogen storage beds equipped with heat-fins or metal-foam

Ferekh, Saad; Kyoung, Sunghyun; Ju, Hyunchul

doi:10.1016/j.fusengdes.2016.01.057

Cited by 12 publications

(1 citation statement)

References 12 publications

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“…Thus, several techniques have been proposed by several works to accelerate heat transfer and reduce the MH‐HST charging/discharging times. Some of useful techniques among them are available as metal foam, 1‐6 hydride‐graphite‐composites, 7‐9 micro‐encapsulation, 10 fins, 11‐18 cooling jacket containing a recirculating coolant, 19‐22 internal cooling tubes, 23‐30 heat pipes, 31‐34 helical‐coil, 35‐39 size and aspect ratio of the tank, 40 new metal hydrides, 41‐44 compartmentalization, 45 physical mixing, 46 metal of the tank envelope, 47 particle radius and porosity, 48,49 pulverization and self‐densification, 50 nanomodification, 51‐53 and embossed plate heat exchanger 54…”

Section: Introductionmentioning

confidence: 99%

Numerical investigation of two discharging procedures of a metal hydride‐hydrogen storage tank

Askri

Bouzgarrou

2020

Int J Energy Res

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Summary This article presents a numerical investigation of two discharging procedures of a metal hydride‐hydrogen storage tank (MH‐HST). The former is categorized as “simultaneous procedure” as the heating of the MH‐HST and the discharging of hydrogen from the same start simultaneously. The latter is categorized as “separated procedure” as the heating of the MH‐HST was carried out initially and the discharging of hydrogen from the same began only when the desired desorption temperature is attained. To the best of authors' knowledge, the separated procedure is simulated and compared for the first time with the simultaneous case. For the two procedures, the discharging process was carried out in two ways, that is, at constant and variable applied pressure. A computational model governing heat and mass transfer within the MH‐HST was developed and successfully validated with experimental data. The simulation results ascertain that the simultaneous procedure is faster than the separated procedure. For example, with a desorption pressure of 0.1 bar and a heating fluid temperature of 353 K, the “simultaneous procedure” provides a reduction of the discharging time by 57% in comparison with the “separated procedure.”

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Section: Introductionmentioning

confidence: 99%

Numerical investigation of two discharging procedures of a metal hydride‐hydrogen storage tank

Askri

Bouzgarrou

2020

Int J Energy Res

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Metal Hydride Storage Systems: Approaches to Improve Their Performances

Liu,

Tupe,

Aguey‐Zinsou

2024

Part & Part Syst Charact

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Metal hydrides provide a safe and efficient way to store hydrogen. However, current metal hydride storage systems, i.e., hydrides incorporated within a storage tank, are far from efficient. Depending on the design, (dis)charging rates may be very long. However, this can be significantly improved by implementing strategies tackling the issue of heat management at the level of: i) the metal hydride bed, and ii) the overall storage system design. This review summarises recent progress in tackling heat management of hydride systems. In this respect, modeling has emerged as a powerful tool. In particular, simulation results show that the compaction of hydride powders with binders and the use of metal foams are both effective in lifting the poor thermal conductivity of hydride beds. For tank designs, cylindrical shapes remain the preferred choice because of the flexibility and ease of supplementing heat management with fins and tubular heat exchangers. The addition of phase change materials to the hydride tank can lead to further heat storage, but any add‐on to simple hydride tanks can only lead to cumbersome systems. It is still a fine art to tune the thermal conductivity of hydride beds while selecting a suitable metal hydride alloy composition.

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A Novel Design of Internal Heat Exchangers in Metal Hydride System for Hydrogen Storage

Lewis

Chippar

2023

Lecture Notes in Mechanical Engineering

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Hydrogen discharging and thermal behaviors of ZrCo based hydrogen storage beds equipped with heat-fins or metal-foam

Cited by 12 publications

References 12 publications

Numerical investigation of two discharging procedures of a metal hydride‐hydrogen storage tank

Numerical investigation of two discharging procedures of a metal hydride‐hydrogen storage tank

Metal Hydride Storage Systems: Approaches to Improve Their Performances

A Novel Design of Internal Heat Exchangers in Metal Hydride System for Hydrogen Storage

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