2022
DOI: 10.1039/d2se00618a
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Perspectives and prospects of underground hydrogen storage and natural hydrogen

Abstract: Hydrogen is considered the fuel of the future due to its cleaner nature compared to methane and gasoline. Therefore, renewable hydrogen production technologies and long-term, affordable, and safe storage have...

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Cited by 96 publications
(24 citation statements)
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“…This method defines species expected in the product and then proceeds with the estimation of product distribution that minimizes the Gibbs free energy value. 25–28 The Gibbs minimization method has the advantages of being extremely flexible and preventing important reactions in the scheme that are neglected. 26…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…This method defines species expected in the product and then proceeds with the estimation of product distribution that minimizes the Gibbs free energy value. 25–28 The Gibbs minimization method has the advantages of being extremely flexible and preventing important reactions in the scheme that are neglected. 26…”
Section: Methodsmentioning
confidence: 99%
“…This method defines species expected in the product and then proceeds with the estimation of product distribution that minimizes the Gibbs free energy value. [25][26][27][28] The Gibbs minimization method has the advantages of being extremely flexible and preventing important reactions in the scheme that are neglected. 26 The hot syngas (S30) was sent back to the heat exchanger (B29) and used as a feed preheater while the cold stream (S31) was cooled before being sent to the gasliquid separator.…”
Section: Reaction Chemistry and Engineering Papermentioning
confidence: 99%
“…165,166 The encapsulation treatment slightly interferes with the diffusion of hydrogen into the alloy compared to the unencapsulated blocks, but instead of degrading the kinetics, it boosts the hydrogen uptake rate and curbs the deactivation of the MHB. 167 Chen et al 163 chemically coated MH with 10 wt% copper and put it into a 500 L hydrogen storage tank, in which the mass and volume hydrogen density of the tank were tested to be 1.1 wt% and 25 kg H 2 per m 3 , respectively, and it was equipped with electric bicycles to meet the speed of 30-40 km h −1 for 4-5 h. The encapsulation has two barriers: expensive cost, which is detrimental to economic growth, and difficulty in controlling the process, which makes it simple to have an overly thick plating somewhere and diminishes the permeability of hydrogen.…”
Section: Addition Of Thermal Conductivity Enhancersmentioning
confidence: 99%
“…2 The three main types of hydrogen storage are high-pressure gaseous hydrogen storage, liquid hydrogen storage, and solid-state hydrogen storage. 3 High-pressure gaseous hydrogen storage technology is sophisticated and quick to absorb or desorb hydrogen, but it suffers from the disadvantages of high cost, poor safety, and low energy density. 4 Liquid hydrogen technology is closer to the practical objective requirements in terms of mass and volume hydrogen storage density.…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, comparative assessments are associated with significant uncertainties. Geological storage, also known as underground storage, involves the injection of hydrogen into underground reservoirs such as abandoned oil/gas wells, aquifers, and hard rock caverns for storage. This method uses similar principles with the geological sequestration of carbon dioxide, which is currently in operation . The development of geological hydrogen storage can benefit from the existing knowledge, experience and infrastructure of the oil/gas industry, as well as the expertise that has been gained in the existing underground carbon dioxide sequestration.…”
Section: Hbhs In Low-carbon Economiesmentioning
confidence: 99%