Combinatorial search for hydrogen storage alloys: Mg–Ni and Mg–Ni–Ti

Ölmez, Rabia; Çakmak, Gülhan; Őztürk, Tayfur

doi:10.1016/j.ijhydene.2010.08.045

Cited by 14 publications

(4 citation statements)

References 15 publications

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“…It is interesting to mention that this ternary phase has not been observed in powder alloys annealed at 400 C in a recent experimental search for equilibrium phases in the MgeTieNi system [28]. On the other hand, Borrisova et al have identified the Mg 3 TiNi 2 phase as a component of the Mg 54 Ti 13 Ni 33 mechanical alloy annealed at 390 C [34].…”

Section: Mg 3 Tini 2 Intermetallic Compoundmentioning

confidence: 98%

“…Most of previous research on the MgeTieNi system was focused on metastable phases (e.g., thin films [22e24] or mechanical alloys [25e27]), which usually exist in a limited temperature range. Combinatorial search for equilibrium phases followed by screening of hydrogen storage properties of prepared alloys in MgeTieNi system has been attempted recently [28]. However, no equilibrium ternary phases have been identified, including previously reported compound Mg 3 TiNi 2 .…”

Section: Introductionmentioning

confidence: 99%

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Phase equilibria in the Mg–Ti–Ni system at 500 °C and hydrogenation properties of selected alloys

et al. 2013

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Section: Mg 3 Tini 2 Intermetallic Compoundmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Phase equilibria in the Mg–Ti–Ni system at 500 °C and hydrogenation properties of selected alloys

et al. 2013

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“…The Mg-Ti alloys have been investigated for hydrogen storage applications due to their high hydrogen storage capacity and fast absorption/desorption kinetics [ 24 ]. The Mg-10wt.%Ti alloy has been reported to have a hydrogen storage capacity of 6.0 wt.% and rapid absorption/desorption kinetics at temperatures around 300–350 °C [ 132 ].…”

Section: Hydrogen Storage Performance Of Magnesium-based Alloysmentioning

confidence: 99%

Magnesium-Based Hydrogen Storage Alloys: Advances, Strategies, and Future Outlook for Clean Energy Applications

Xu,

Zhou,

et al. 2024

Molecules

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Magnesium-based hydrogen storage alloys have attracted significant attention as promising materials for solid-state hydrogen storage due to their high hydrogen storage capacity, abundant reserves, low cost, and reversibility. However, the widespread application of these alloys is hindered by several challenges, including slow hydrogen absorption/desorption kinetics, high thermodynamic stability of magnesium hydride, and limited cycle life. This comprehensive review provides an in-depth overview of the recent advances in magnesium-based hydrogen storage alloys, covering their fundamental properties, synthesis methods, modification strategies, hydrogen storage performance, and potential applications. The review discusses the thermodynamic and kinetic properties of magnesium-based alloys, as well as the effects of alloying, nanostructuring, and surface modification on their hydrogen storage performance. The hydrogen absorption/desorption properties of different magnesium-based alloy systems are compared, and the influence of various modification strategies on these properties is examined. The review also explores the potential applications of magnesium-based hydrogen storage alloys, including mobile and stationary hydrogen storage, rechargeable batteries, and thermal energy storage. Finally, the current challenges and future research directions in this field are discussed, highlighting the need for fundamental understanding of hydrogen storage mechanisms, development of novel alloy compositions, optimization of modification strategies, integration of magnesium-based alloys into hydrogen storage systems, and collaboration between academia and industry.

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“…Üstün özelliklere sahip bu malzemelerin üretilmesi için pek çok yöntem vardır. Bu yöntemlerden bazılarını şu şekilde sıralayabiliriz; mekaniksel alaşımlama, ark ergitme, hızlı katılaştırma, buharlı bırakım, emme döküm [6][7][8][9][10]. Mekaniksel alaşımlama tekniğinde malzemeler toz şeklinde üretilir.…”

Section: Gi̇ri̇ş (Introduction)unclassified

Mekaniksel Alaşımlama İle Üretilen Nanokristal Mg50Cu50 Tozları

Kursun¹

2017

SAÜ Fen Bilimleri Enstitüsü Dergisi

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Bu çalışmada Mg ve Cu ikili karışımı ile nanokristal Mg50Cu50 kompozisyonlu toz alaşımı mekanik alaşımlama tekniği ile sentezlenmiştir. Mekanik alaşımlama süresinin, toz alaşımın faz değişimine ve mikro sertliğine etkisi X-ışını kırınımı (XRD), taramalı elektron mikroskobu (SEM) ve Vickers mikro sertlik (HV) cihazı ile incelenmiştir. Alaşımın mikro sertlik değeri artan mekaniksel alaşımlama zamanı ile yükseldi ve final ürün için ~600 Mpa olarak ölçülmüştür. Mg50Cu50 alaşımının kristal boyutu XRD piklerinin genişlemesi ile Debye Scherrer eşitliği kullanılarak hesaplanmıştır. Toz alaşımın kristal boyutu ayrıca geçirimli elektron mikroskobu (TEM) ile teyit edildi ve yaklaşık 10 nm olarak belirlenmiştir. Mekanik olarak alaşımlanan Mg50Cu50 tozlarının termal özellikleri diferansiyel taramalı kalorimetri ile (DSC) analiz edilmiştir. DSC sonuçlarına göre ~ 650 ˚C' de Magnezyum (Mg) elementinin erime sıcaklığına ait endotermik bir pik gözlenmiştir.

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Combinatorial search for hydrogen storage alloys: Mg–Ni and Mg–Ni–Ti

Cited by 14 publications

References 15 publications

Phase equilibria in the Mg–Ti–Ni system at 500 °C and hydrogenation properties of selected alloys

Phase equilibria in the Mg–Ti–Ni system at 500 °C and hydrogenation properties of selected alloys

Magnesium-Based Hydrogen Storage Alloys: Advances, Strategies, and Future Outlook for Clean Energy Applications

Mekaniksel Alaşımlama İle Üretilen Nanokristal Mg50Cu50 Tozları

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