Review on hydrogen absorbing materials—structure, microstructure, and thermodynamic properties

Bououdina, M.; Grant, David M.; Walker, Gavin S.

doi:10.1016/j.ijhydene.2005.04.049

Cited by 210 publications

(84 citation statements)

References 18 publications

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“…They have relatively good hydrogen storage capacity and kinetics, long cycling life and low cost but they are usually too stable at room temperature and are sensitive to gas impurities [19,177,178]. In order to achieve optimum hydrogen storage properties, multicomponent systems Zr 1Àx T x (Mn,Cr) 2Ày M y where T ¼ Ti, Y, Hf, Sc, Nb and M ¼ V, Mo, Mn, Cr, Fe, Co, Ni, Cu, Al, Si, Ge are usually used.…”

Section: Ab 2 Laves Phasesmentioning

confidence: 99%

Metal Hydrides

Huot

2010

Handbook of Hydrogen Storage

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Metal hydrides are promising candidates for many stationary and mobile hydrogen storage applications. Presently, the most common use of metal hydrides is as anode material in commercial nickel-metal hydrides (Ni-MH) rechargeable batteries which have replaced conventional nickel-cadmium batteries in many applications. A wide variety of Ni-MH batteries are now on the market with cell sizes ranging from 30 mAh to 250 Ah [1,2]. Some other applications are: hydrogen compression [3], aircraft fire-detectors [4], isotope separation [5], and hydrogen getters for microelectronic packages. Hydride formation is also used in the HDDR process (hydrogenation-disproportionation-desorption-recombination) for the synthesis of magnetic materials such as Nd 2 Fe 14 B [6]. A striking application is as a component of cryocoolers for the ESA Planck mission [7]. Another exciting new application is the use of metal hydrides for switchable mirrors [8]. As we can see, metal hydrides have a wide range of applications. However, most research and development is targeted towards two applications: batteries and hydrogen storage. The former is now widely exploited but the latter is still facing many technical problems. The main advantages of storing hydrogen in a metal hydride are the high hydrogen volumetric densities (sometimes higher than in liquid hydrogen) and the possibility to absorb and desorb hydrogen with a small change in hydrogen pressure [9].The physics of hydrogen in elemental metals was reviewed at the end of the 1970s in thebooksHydrogeninMetals,volumesIandII [10,11].The1970s alsosawtheemergence of the important field of intermetallic compounds as hydride materials. An in-depth review of this field can be found in Hydrogen in Intermetallic Compounds volumes I, and II [12,13]. A review of the propertiesand applications of hydrogen in metals can befound in the third volume of Hydrogen in Metals [14]. The basic properties of the metal-hydrogen system are discussed from a fundamental point of view by Fukai [15]. Although initial studies on nanocrystalline and amorphous metal hydrides were initiated around the 1980s [16], the real emergence of nanocrystalline metal hydrides as a new class of Handbook of Hydrogen Storage. Edited by Michael Hirscher

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Section: Ab 2 Laves Phasesmentioning

confidence: 99%

Metal Hydrides

Huot

2010

Handbook of Hydrogen Storage

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“…Though hydrogen production has made remarkable progress [1,2], safe, efficient, compact and inexpensive hydrogen storage systems remain to be developed [3,4]. It has been demonstrated that the greatest potential method to store hydrogen is by using solid media, such as hydrides [5,6] and sorbent materials [7e9].…”

Section: Introductionmentioning

confidence: 99%

Improved hydrogen desorption properties of ammonia borane by Ni-modified metal-organic frameworks

Sun

et al. 2011

International Journal of Hydrogen Energy

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“…LiH, MgH 2 ) [1], hydrogen storages in adsorption materials (e.g. carbon nanotubes and graphites) [2], compressed hydrogen tanks [3], and the hydrolysis of chemical hydrides [4]. Among these methods, the hydrolysis of NaBH 4 (Scheme 1) has attracted great attention due to the high stability of its alkaline solution and the relatively high energy density, which can reach 6% by weight [5].…”

Section: Introductionmentioning

confidence: 99%

Kinetic study of NaBH4 hydrolysis over carbon-supported ruthenium

Shang

Chen

Jiang

2008

International Journal of Hydrogen Energy

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The effects of temperature and the concentrations of NaBH 4 , NaBO 2 and NaOH on the rate of NaBH 4 hydrolysis over carbon supported ruthenium catalyst were investigated using isothermal rate data extracted from non-isothermal reactions. It was shown that the hydrolysis was a zero-order reaction with respect to the concentration of NaBH 4 and the reaction rate decreased with the increase of OH -concentration. A rate expression was then derived to correlate the hydrolysis rate with the temperature and NaOH concentration.

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Review on hydrogen absorbing materials—structure, microstructure, and thermodynamic properties

Cited by 210 publications

References 18 publications

Metal Hydrides

Metal Hydrides

Improved hydrogen desorption properties of ammonia borane by Ni-modified metal-organic frameworks

Kinetic study of NaBH4 hydrolysis over carbon-supported ruthenium

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