An Overview of Hydrogen Storage Technologies

Ni, Meng

doi:10.1260/014459806779367455

Cited by 64 publications

(33 citation statements)

References 38 publications

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“…While many methods have been proposed, such as compressed hydrogen, metal hydrides, reversibly hydrogenated liquids, and reactive chemical hydrides, each method has its own critical drawbacks. [1][2][3] As part of the effort to develop a solution for on-board hydrogen storage, our long term goal is to optimize the structure of reversible organic hydrogen-storage liquids so that they meet the following five requirements: (1) be capable of facile, clean and reversible dehydrogenation; (2) have an enthalpy of dehydrogenation low enough that the dehydrogenation is thermodynamically favored at as low a temperature as possible (at least below 180 1C); (3) be liquid and nonvolatile from À40 1C to the dehydrogenation temperature; (4) have a hydrogen storage capacity 46% by weight and 45 g H 2 per litre of liquid; 4 and (5) be stable against thermal or catalytic decomposition at operating temperatures. This paper describes work towards meeting the first two requirements in this list.…”

Section: Introductionmentioning

confidence: 99%

The effect of substitution on the utility of piperidines and octahydroindoles for reversible hydrogen storage

et al. 2008

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Substituted piperidines and octahydroindoles are compared in terms of their usability as reversible organic hydrogen storage liquids for hydrogen-powered fuel cells. Theoretical Gaussian calculations indicate which structural features are likely to lower the enthalpy of dehydrogenation. Experimental results show that attaching electron donating or conjugated substituents to the piperidine ring greatly increases the rate of catalytic dehydrogenation, with the greatest rates being observed with 4-aminopiperidine and piperidine-4-carboxamide. Undesired side reactions were observed with some compounds such as alkyl transfer reactions during the dehydrogenation of 4-dimethylaminopiperidine, C-O and C-N cleavage reactions during hydrogenation and/or subsequent dehydrogenation of 4-alkoxy and 4-amino indoles, and disproportionation during the hydrogenation of 4-aminopyridine.

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Section: Introductionmentioning

confidence: 99%

The effect of substitution on the utility of piperidines and octahydroindoles for reversible hydrogen storage

et al. 2008

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“…The activation is well known method to generating pore networks in carbons, the activation mechanism was not well understood due to complexity due to the large number of variables used in both the experimental parameters and reactivity of various precursors. The fine charcoal powder was then activated by adding potassium hydroxide (KOH) in the weight ratio of 1:1 and after mixing properly, material is placed in oven at 110° C for 4 h to obtain aC [19]. After that, a weighted quantity of aC powder is mixed withpolytetrafluoroethylene (PTFE) binder to obtained slurry mixture [20].…”

Section: Charcoal Activationmentioning

confidence: 99%

Solid-State Hydrogen Storage within a Proton Battery and Its Performance Analysis with Different Catalyst Loadings

Jindal¹,

Oberoi²,

Sandhu³

et al. 2019

IJITEE

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Hydrogen has already been identified as a potential candidate capable of replacing fossil fuels because of its immense energy content compared to conventional fuels. However, finding the safe, efficient generation and storage of hydrogen is a challenge. The present paper reports on hydrogen generation and its subsequent adsorption-desorption process in a proton battery with varied catalyst loading. The method of porous carbon electrode fabrication and experimentation is disclosed. The scanning electron microscopy (SEM) is employed to determine morphology characteristics of the fabricated electrodes that are integrated in a proton battery to study the process of hydrogen adsorption and desorption under the influence of varied catalytic loading. The comparison between catalytic loading of 1 mg/cm 2 and 2 mg/cm2 is analysed and reported. The hydrogen storage capacity of activated carbon electrode employed in a proton battery is obtained to be in the range of 0.4 to 0.5 wt. %. The obtained result proves the technical feasibility of a hydrogen generation and its subsequent adsorption in an ionic form within a proton battery. The obtained results contribute towards finding a sustainable alternative solution to fossil-based fuels for the global energy demand.

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“…[6] Indeed, a hydrogen-based energy economy is often imagined where fuel cells convert hydrogen into electrical power on demand for use in vehicles [7] and residences. [8] Accordingly, technologies for hydrogen storage [9][10][11] and transportation [12] are also under intense development.…”

Section: Introductionmentioning

confidence: 99%

Organic Semiconductors as Photoanodes for Solar-driven Photoelectrochemical Fuel Production

Sekar¹,

Sivula

2021

Chimia

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The direct conversion of solar energy into chemical fuels, such as hydrogen, via photoelectrochemical (PEC) water splitting requires the efficient oxidation of water at a photoanode. While transition metal oxides have shown a significant success as photoanodes, their intrinsic limitations make them the bottleneck of PEC water splitting. Recently, initial research reports suggest that organic semiconductors (OSCs) could be possible alternative photoanode materials in both dye-sensitized and thin film photoelectrode configurations. Herein we review the progress to date, with a focus on the major issues faced by OSCs: stability and low photocurrent density in aqueous photoelectrochemical conditions. An outlook to the future of OSCs in photoelectrochemistry is also given.

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An Overview of Hydrogen Storage Technologies

Cited by 64 publications

References 38 publications

The effect of substitution on the utility of piperidines and octahydroindoles for reversible hydrogen storage

The effect of substitution on the utility of piperidines and octahydroindoles for reversible hydrogen storage

Solid-State Hydrogen Storage within a Proton Battery and Its Performance Analysis with Different Catalyst Loadings

Organic Semiconductors as Photoanodes for Solar-driven Photoelectrochemical Fuel Production

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