Chemical surface modification for the improvement of the hydrogenation kinetics and poisoning resistance of TiFe

Williams, M.; Lototsky, M.V.; Davids, Moegamat Wafeeq; Linkov, Vladimir; Yartys, V.A.; Solberg, Jan Ketil

doi:10.1016/j.jallcom.2010.11.063

Cited by 72 publications

(26 citation statements)

References 26 publications

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“…Similarly to the earlier observations [9], the activation performances of the sintered Ti 1.1 Fe 0.9 O x were found to be superior than that for the oxygen-free TiFe. However, the presented results [17] were only qualitative, since the bulk concentration of oxygen in the sample remained uncertain.…”

Section: Introductionmentioning

confidence: 89%

“…In our previous study [17] we showed that sintering of Ti and Fe powders taken at atomic ratio 1.1:0.9 results, in addition to the formation of the major bcc-TiFe phase, in the appearance of a noticeable amount of h-Ti 4 Fe 2 O 1Àx formed due to contamination of the material by oxygen presumably adsorbed as O 2 and H 2 O on the surface of starting metal powders during their exposure to air. Similarly to the earlier observations [9], the activation performances of the sintered Ti 1.1 Fe 0.9 O x were found to be superior than that for the oxygen-free TiFe.…”

Section: Introductionmentioning

confidence: 96%

“…This paper presents the corresponding experimental results, additionally used for the estimation of amount of oxygen captured in the sintered Ti 1.1 Fe 0.9 O x [17]. Finally, a comparison of PCT performances in the sintered and arc-melted materials is presented following by the discussion about the origin of their difference.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Influence of oxygen introduced in TiFe-based hydride forming alloy on its morphology, structural and hydrogen sorption properties

Davids

Lototskyy

2012

International Journal of Hydrogen Energy

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Section: Introductionmentioning

confidence: 89%

Section: Introductionmentioning

confidence: 96%

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Influence of oxygen introduced in TiFe-based hydride forming alloy on its morphology, structural and hydrogen sorption properties

Davids

Lototskyy

2012

International Journal of Hydrogen Energy

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“…For example, when a small amount of Mn is substituted for Fe in the TiFe parent compound, activation is promoted and the resistance to contamination by impure gases is increased. TiFe intermetallic compound counts down a history of about 40 years since its discovery as a potential hydrogen storage material and has been thoroughly studied ever since in an effort to improve its properties [48][49][50][51][52].…”

Section: Ab-type Tife Intermetallic Compoundsmentioning

confidence: 99%

Hydrogen storage and compression

Makridis

2016

Methane and Hydrogen for Energy Storage

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Energy has always been the driving force in the technological and economic development of societies. The consumption of a significant amount of energy is required to provide basic living conditions of developed countries (heating, transportation, lighting, etc.). Today's energy supply has a considerable impact on the environment, since it is fuelled by the burning of fossil fuels. In addition to this, the fossil fuel reserves are decreasing while the demand for energy is rapidly rising. Climate change, the depletion and geographical segregation of fossil fuel resources, health related issues as well as energy poverty constitute the driving forces towards the pursuit of alternative energy sources. In addition, countries with no access to oil reserves are being dependent from other countries for their energy supply, with a strong impact on politics and financial issues. But apart from occasional financial recessions, the long-term need for increasing amounts of energy as countries develop will become a major rate limiting step in the growth of the world economy [1]. The last years there is an on-going research on alternative fuels in order to overcome the fossil energy dependence and to provide a sustainable growth of economies and societies.In view of the above, countries that release the largest amounts of greenhouse gases to the atmosphere compared to the energy production are expected to minimise CO 2 emission and at the same time improve the share of ''clean'' energy in total energy consumption. The renewable, non-conventional energy sources, such as solar and wind energy, will remain available for infinite period. But due to the inherent nature of renewable energy resources being intermittent, there is a need to store any surplus electrical energy produced in order to be used during high energy

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“…Pd's ability to absorb a large volume of hydrogen was first reported more than 150 years ago by Thomas Graham in 1866 [13], which built the foundation for modern MH research work [14][15][16]. In addition to use as a pure material, Pd also participates in H-storage research in many ways, such as a main ingredient in Pd-based alloys [17][18][19][20], an additive in the form of a nanotube [21], nanoparticle [22][23][24][25], or polycrystalline powder [26,27], a component in Pd [28][29][30][31][32][33][34][35][36][37][38][39][40][41][42] and Pd-containing thin films [43][44][45][46], and an alloying ingredient . The major results accomplished by incorporating Pd in MH alloys are summarized in Table 1, and consist mainly of improvements in gaseous hydrogen absorption and desorption kinetics, electrochemical discharge capacity, high-rate dischargeability (HRD), activation, and cycle life performance in several MH alloy systems, including Mg, C, A 2 B, AB, AB 2 , AB 5 , and body-centered-cubic solid solutions.…”

Section: Introductionmentioning

confidence: 99%

Increase in the Surface Catalytic Ability by Addition of Palladium in C14 Metal Hydride Alloy

Kim

Ouchi²,

Nei³

et al. 2017

Batteries

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A combination of analytic tools and electrochemical testing was employed to study the contributions of Palladium (Pd) in a Zr-based AB 2 metal hydride alloy (Ti 12 Zr 22.8 V 10 Cr 7.5 Mn 8.1 Co 7 Ni 32.2 Al 0.4 ). Pd enters the A-site of both the C14 and C15 Laves phases and shrinks the unit cell volumes, which results in a decrease of both gaseous phase and electrochemical hydrogen storage capacities. On the other hand, the addition of Pd benefits both the bulk transport of hydrogen and the surface electrochemical reaction. Improvements in high-rate dischargeability and low-temperature performances are solely due to an increase in surface catalytic ability. Addition of Pd also decreases the surface reactive area, but such properties can be mediated through incorporation of additional modifications with rare earth elements. A review of Pd-addition to other hydrogen storage materials is also included.

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Chemical surface modification for the improvement of the hydrogenation kinetics and poisoning resistance of TiFe

Cited by 72 publications

References 26 publications

Influence of oxygen introduced in TiFe-based hydride forming alloy on its morphology, structural and hydrogen sorption properties

Influence of oxygen introduced in TiFe-based hydride forming alloy on its morphology, structural and hydrogen sorption properties

Hydrogen storage and compression

Increase in the Surface Catalytic Ability by Addition of Palladium in C14 Metal Hydride Alloy

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