Ni-based catalyst assisted by MnO to boost the hydrogen storage performance of magnesium hydride

Yin, Chengwang; Qiu, Shujun; Xia, Yongpeng; Xu, Fen; Sun, Lixian; Chu, Hailiang

doi:10.1016/j.ijhydene.2023.11.213

International Journal of Hydrogen Energy

2024

DOI: 10.1016/j.ijhydene.2023.11.213

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Ni-based catalyst assisted by MnO to boost the hydrogen storage performance of magnesium hydride

Chengwang Yin,

Shujun Qiu,

Yongpeng Xia

et al.

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Cited by 13 publications

References 70 publications

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Synergistic Effects of In‐Situ‐Formed Multivalent Titanium and Mg₂Ni for Improving the Hydrogen‐Storage Properties of MgH₂

Wang,

et al. 2024

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Magnesium hydride (MgH2) has gained significant consideration as a cost‐effective solid‐state hydrogen‐storage material with a substantial hydrogen capacity. However, its practical applications are impeded by its poor kinetics and high thermal stability. In this study, we employed a hydrothermal method and high‐temperature calcination to prepare well‐dispersed NiTiO3 nanoparticles smaller than 20 nm. Next, we investigated the effect of the NiTiO3 nanoparticles for educating the hydrogen storage performance of MgH2. The synergistic catalytic effect of multivalent titanium and Mg2Ni/Mg2NiH4 enhanced hydrogen storage performance of the MgH2 system. The addition of 5 wt % NiTiO3 lowered the initial hydrogen evolution temperature of MgH2 to 194 °C. After 12 minutes at 275 °C, the 5 wt % NiTiO3‐MgH2 composites released 6.1 wt % of hydrogen. The dehydrogenation activation energy (Ea) of the 5 wt % NiTiO3‐MgH2 composites decreased significantly to 38.78±2.1 kJ/mol. Furthermore, hydrogen uptake of 5 wt % NiTiO3‐MgH2 at 125 °C reaches 5.1 wt % in 300 s under hydrogen pressure of 20 bar. These findings introduce an innovative concept for preparing high active catalysts for improving the dehydrogenation/hydrogenation kinetics of MgH2.

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Synergistic Effects of In‐Situ‐Formed Multivalent Titanium and Mg₂Ni for Improving the Hydrogen‐Storage Properties of MgH₂

Wang,

et al. 2024

ChemistrySelect

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Ni/MnO/chitosan nanocomposites: synthesis, characterization and investigation of photocatalytic applications for degradation of malachite green

Sobhani

2024

J Mater Sci: Mater Electron

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Effects of Ti- and Nb-based transition element from single to multiple compound oxides and carbon-based composite additives on Mg-MgH2 hydrogen storage material

Xiao,

Chen,

Wang

et al. 2024

Tungsten

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Ni-based catalyst assisted by MnO to boost the hydrogen storage performance of magnesium hydride

Cited by 13 publications

References 70 publications

Synergistic Effects of In‐Situ‐Formed Multivalent Titanium and Mg₂Ni for Improving the Hydrogen‐Storage Properties of MgH₂

Synergistic Effects of In‐Situ‐Formed Multivalent Titanium and Mg₂Ni for Improving the Hydrogen‐Storage Properties of MgH₂

Ni/MnO/chitosan nanocomposites: synthesis, characterization and investigation of photocatalytic applications for degradation of malachite green

Effects of Ti- and Nb-based transition element from single to multiple compound oxides and carbon-based composite additives on Mg-MgH2 hydrogen storage material

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Ni-based catalyst assisted by MnO to boost the hydrogen storage performance of magnesium hydride

Cited by 13 publications

References 70 publications

Synergistic Effects of In‐Situ‐Formed Multivalent Titanium and Mg2Ni for Improving the Hydrogen‐Storage Properties of MgH2

Synergistic Effects of In‐Situ‐Formed Multivalent Titanium and Mg2Ni for Improving the Hydrogen‐Storage Properties of MgH2

Ni/MnO/chitosan nanocomposites: synthesis, characterization and investigation of photocatalytic applications for degradation of malachite green

Effects of Ti- and Nb-based transition element from single to multiple compound oxides and carbon-based composite additives on Mg-MgH2 hydrogen storage material

Contact Info

Product

Resources

About

Synergistic Effects of In‐Situ‐Formed Multivalent Titanium and Mg₂Ni for Improving the Hydrogen‐Storage Properties of MgH₂

Synergistic Effects of In‐Situ‐Formed Multivalent Titanium and Mg₂Ni for Improving the Hydrogen‐Storage Properties of MgH₂