Formation of hydrogen from oxidation of Mg, Mg alloys and mixture with Ni, Co, Cu and Fe in aqueous salt solutions

Kravchenko, O. V.; Sevast’yanova, L. G.; Urvanov, Sergey A.; Булычев, Б. М.

doi:10.1016/j.ijhydene.2014.01.181

Cited by 61 publications

(23 citation statements)

References 11 publications

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“…Mg and Mg17Al12) has to be studied separately. The hydrolysis of Mg have been widely reported [18][19][20][21][22][23][24][25][26][27][28] whereas the "Mg17Al12 -H2" subject is not sufficiently investigated. Previous studies have shown that Mg17Al12 can be used for hydrogen storage [29][30][31][32] while the production of hydrogen by the hydrolysis reaction has never been reported.…”

Section: Introductionmentioning

confidence: 99%

Effect of ball milling in presence of additives (Graphite, AlCl3, MgCl2 and NaCl) on the hydrolysis performances of Mg17Al12

Bacha

Zakhour²,

Nakhl³

et al. 2020

International Journal of Hydrogen Energy

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In most of the Mg-Al alloys, Al forms with Mg the intermetallic compound Mg17Al12. In order to understand the hydrogen production from the Mg-Al alloys waste by the hydrolysis reaction in "model" seawater (i.e. 3.5 wt. % NaCl), hydrolysis with Mg17Al12 was investigated. The effect of ball milling time, the nature of the additives (graphite, NaCl, MgCl2 and AlCl3) and the synergetic effects of both graphite and AlCl3 were investigated. It has been established that increasing ball milling time up to 5h is necessary to activate the intermetallic and to decrease sufficiently its crystallites and particles size. On one hand, the presence of AlCl3 provides the best hydrolysis performance (14 % of the theoretical hydrogen volume in 1h). On the other hand, the mixture obtained by simultaneous addition of graphite and AlCl3 shows the best hydrolysis performances with 16% of the theoretical H2 volume reached in 1h.

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Section: Introductionmentioning

confidence: 99%

Effect of ball milling in presence of additives (Graphite, AlCl3, MgCl2 and NaCl) on the hydrolysis performances of Mg17Al12

Bacha

Zakhour²,

Nakhl³

et al. 2020

International Journal of Hydrogen Energy

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“…[4] for MgeCu and MgeNi alloys, and in case of CuCl 2 application did exceeded those. Considering these observations, the {Mg þ nMCl n þ mNaCl} systems can be used in the laboratory as "acidless" generator of hydrogen.…”

Section: Resultsmentioning

confidence: 83%

Hydrogen generation from magnesium oxidation by water in presence of halides of transition and non-transition metals

Kravchenko

Sevast’yanova

Genchel

et al. 2015

International Journal of Hydrogen Energy

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“…The authors [31] explained that the metal reduced to M 0 during the grinding process as a result of the replacement reaction between Mg and the chlorides. During hydrolysis, an electrochemical interaction (a local galvanic cell) [32][33][34][35][36] occurs between metallic elements in the presence of Mg in the alkaline medium, which plays a crucial role in the reaction efficiency improvement.…”

Section: Effect Of Additivesmentioning

confidence: 99%

Autonomous Hydrogen Production for Proton Exchange Membrane Fuel Cells PEMFC

Legrée¹,

Sabatier²,

Mauvy³

et al. 2020

JEPT

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Formation of hydrogen from oxidation of Mg, Mg alloys and mixture with Ni, Co, Cu and Fe in aqueous salt solutions

Cited by 61 publications

References 11 publications

Effect of ball milling in presence of additives (Graphite, AlCl3, MgCl2 and NaCl) on the hydrolysis performances of Mg17Al12

Effect of ball milling in presence of additives (Graphite, AlCl3, MgCl2 and NaCl) on the hydrolysis performances of Mg17Al12

Hydrogen generation from magnesium oxidation by water in presence of halides of transition and non-transition metals

Autonomous Hydrogen Production for Proton Exchange Membrane Fuel Cells PEMFC

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