A comparison study of Mg–Y2O3 and Mg–Y hydrogen storage composite powders prepared through arc plasma method

Long, Sheng Ru; Zou, Jianxin; Chen, Xi; Zeng, Xiaoqin; Ding, Wenjiang

doi:10.1016/j.jallcom.2013.11.159

Cited by 47 publications

(11 citation statements)

References 17 publications

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“…However, some reports contrarily indicated that the rare earth hydrides exhibit poor catalytic effect on the hydrogen storage performance of MgH 2. The role of rare earth hydrides needs further investigation.…”

Section: Introductionmentioning

confidence: 99%

Improved Hydrogen Absorption/Desorption Properties of MgH₂ by Co–Catalyzing of YH₂ and Co@C

Lin

Liu

et al. 2019

ChemistrySelect

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Hydrogen absorption and desorption kinetics properties of MgH 2 were improved by co-doping of commercial YH 2 and a synthesized Carbon supported nano-Co (Co@C) catalyst, which was prepared by calcination of Zeolitic Imidazolate Framework-67 (ZIF-67) precursor. YH 2 addition shows great enhancement on the hydrogen absorption kinetics. The ball-milled MgH 2 -YH 2 absorbs 6.5 wt.% of hydrogen within 100 s at 300°C. The Co@C catalyst greatly enhances the absorption and desorption kinetics, while the absorption kinetics is slightly slower than that of MgH 2 -YH 2 at 250°C and 275°C. MgH 2 -YH 2 -Co@C exhibited prominent absorption and desorption kinetics, reaching full hydrogenation within 150 s at 250°C and releasing 6 wt.% hydrogen within 1700 s at 300°C. After hydrogenation and dehydrogenation, particle size of YH 3 remains ∼ 500 nm, and the fine Co@C particles distributed homogeneously in the MgH 2 matrix.

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Section: Introductionmentioning

confidence: 99%

Improved Hydrogen Absorption/Desorption Properties of MgH₂ by Co–Catalyzing of YH₂ and Co@C

Lin

Liu

et al. 2019

ChemistrySelect

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“…Oxides can be easily crushed during grinding in mills because they are brittle. The hydride formation and decomposition kinetics of Mg have also been ameliorated by adding oxides to MgH 2 or Mg [9][10][11][12][13][14][15][16][17][18]. Yttria (Y 2 O 3 )-stabilized zirconia (ZrO 2 ) (YSZ) is used for tooth crowns due to its hardness and chemical inertness [19].…”

Section: Introductionmentioning

confidence: 99%

Nickel, Graphene, and Yttria-Stabilized Zirconia (YSZ)-Added Mg by Grinding in Hydrogen Atmosphere for Hydrogen Storage

Song

Choi

Kwak

2019

Metals

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Magnesium (Mg) has good hydrogen storage features except for its slow reaction kinetics with hydrogen and high hydride decomposition temperature. Yttria (Y2O3)-stabilized zirconia (ZrO2) (YSZ), nickel (Ni), and graphene were picked as additives to Mg to solve these problems. Samples with a composition of 92.5 wt% Mg + 2.5 wt% YSZ + 2.5 wt% Ni + 2.5 wt% graphene (designated as Mg + YSZ + Ni + graphene) were prepared by grinding in hydrogen atmosphere. The activation of Mg + YSZ + Ni + graphene was finished at the third cycle (n = 3). Mg + YSZ + Ni + graphene had an efficient hydrogen storage capacity (the amount of hydrogen absorbed for 60 min) over 7 wt% (7.11 wt%) at n = 1. Mg + YSZ + Ni + graphene contained Mg2Ni phase after cycling. The addition of Ni and Ni + YSZ greatly increased the initial hydride formation and decomposition rates, and the amount of hydrogen absorbed and released for 60 min, Ha (60 min) and Hd (60 min), respectively, of a 95 wt% Mg + 5 wt% graphene sample (Mg + graphene). Rapid nucleation of the Mg2Ni-H solid solution in Ni-containing samples is believed to have led to higher initial decomposition rates than Mg + graphene and Mg. The addition of YSZ also enhanced the initial decomposition rate and Hd (60 min) compared to a sample with a composition of 95 wt% Mg + 2.5 wt% Ni + 2.5 wt% graphene (Mg + Ni + graphene).

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“…Some researches have conrmed that alloying Mg with transition metals such as Ni, [23][24][25] Zn, 26,27 Ti, Cr, Nb, Cu and Fe [28][29][30][31] can enhance the hydrogenation/dehydrogenation rates. Also, some rare earth elements, [32][33][34] intermetallic compounds, 35 metallic oxides, 36,37 and uorides [38][39][40] are proven to have a good catalytic effect on accelerating the storage and release of hydrogen. Yavari et al 41 added FeF 3 into MgH 2 to manufacture nanostructured MgH 2 composites and found that hydrogenation/dehydrogenation rates were clearly enhanced.…”

Section: Introductionmentioning

confidence: 99%

A comparison of TiF₃ and NbF₅ catalytic effects on hydrogen absorption and desorption kinetics of a ball-milled Mg₈₅Zn₅Ni₁₀ alloy

Yin

Yuan

et al. 2018

RSC Adv.

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A comparison study of Mg–Y2O3 and Mg–Y hydrogen storage composite powders prepared through arc plasma method

Cited by 47 publications

References 17 publications

Improved Hydrogen Absorption/Desorption Properties of MgH₂ by Co–Catalyzing of YH₂ and Co@C

Improved Hydrogen Absorption/Desorption Properties of MgH₂ by Co–Catalyzing of YH₂ and Co@C

Nickel, Graphene, and Yttria-Stabilized Zirconia (YSZ)-Added Mg by Grinding in Hydrogen Atmosphere for Hydrogen Storage

A comparison of TiF₃ and NbF₅ catalytic effects on hydrogen absorption and desorption kinetics of a ball-milled Mg₈₅Zn₅Ni₁₀ alloy

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A comparison study of Mg–Y2O3 and Mg–Y hydrogen storage composite powders prepared through arc plasma method

Cited by 47 publications

References 17 publications

Improved Hydrogen Absorption/Desorption Properties of MgH2 by Co–Catalyzing of YH2 and Co@C

Improved Hydrogen Absorption/Desorption Properties of MgH2 by Co–Catalyzing of YH2 and Co@C

Nickel, Graphene, and Yttria-Stabilized Zirconia (YSZ)-Added Mg by Grinding in Hydrogen Atmosphere for Hydrogen Storage

A comparison of TiF3 and NbF5 catalytic effects on hydrogen absorption and desorption kinetics of a ball-milled Mg85Zn5Ni10 alloy

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Improved Hydrogen Absorption/Desorption Properties of MgH₂ by Co–Catalyzing of YH₂ and Co@C

Improved Hydrogen Absorption/Desorption Properties of MgH₂ by Co–Catalyzing of YH₂ and Co@C

A comparison of TiF₃ and NbF₅ catalytic effects on hydrogen absorption and desorption kinetics of a ball-milled Mg₈₅Zn₅Ni₁₀ alloy