Stress on a reaction vessel by the swelling of a hydrogen absorbing alloy

Nasako, K.; Ito, Yoshimasa; Hiro, Naoki; Osumi, Masato

doi:10.1016/s0925-8388(97)00246-6

Cited by 87 publications

(29 citation statements)

References 5 publications

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“…8) , or~53% of the density of the hydrogenated alloy, in accordance to the upper limit of safe packing fraction (<61%) for AB5-type hydrides reported in the literature [22]. At the same time, such an amount of the alloy provides the specified H2 storage capacity of 350 NL H2.…”

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confidence: 87%

Metal hydride hydrogen compression: recent advances and future prospects

et al. 2016

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OF THE MANUSCRIPTMetal hydride (MH) thermal sorption compression is one of the more important applications of the metal hydrides. The present paper reviews recent advances in the field based on the analysis of the fundamental principles of this technology. The performances when boosting hydrogen pressure, along with two-and three-step compression units are analyzed. The paper includes also a theoretical modeling of a two-stage compressor aimed at both describing the performance of the experimentally studied systems, but, also, on their optimization and design of more advanced MH compressors. Business developments in the field are reviewed for the Norwegian company HYSTORSYS AS and the South African Institute for Advanced Materials Chemistry. Finally, future prospects are outlined presenting the role of the metal hydride compression in the overall development of the hydrogen driven energy systems. The work is based on the analysis of the development of the technology in Europe, USA and South Africa.

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confidence: 87%

Metal hydride hydrogen compression: recent advances and future prospects

et al. 2016

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“…The mass loss of Pd and nTiN on the electrode surface was weighed to be 1.9 mg, demonstrating that 26.39% of the reaction activation materials was desquamated. Long-term experiments resulted in the hydrogen-rich state of Pd for a long time, which made the problem of metal swelling and pulverization in metal-hydrogen system more serious [48]. …”

Section: Long-term Performancementioning

confidence: 99%

Influence of environmental factors on the electrocatalytic dechlorination of 2,4-dichlorophenoxyacetic acid on nTiN doped Pd/Ni foam electrode

Sun

Lou

Liu

et al. 2015

Chemical Engineering Journal

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“…For the improvement of activation performances, the material powder was mixed with~10 wt.% of the powder of easilyactivated AB 5 -type hydride-forming alloy. In all cases the MH filling density was below 61% of the material real density in the hydrogenated state (the maximum value providing the safe operation of the MH container [26]). In addition, for the compensation of stresses originated from the swelling of the material during hydrogenation (when the material was loaded in the container in powdered form),~1 wt.% of thermally-expanded graphite (TEG) powder was added to the mixture.…”

Section: Metal Hydride Materialsmentioning

confidence: 88%