Zeming Yuan
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View article: Hydrogen storage properties of TiFe-based composite with Ni addition
Hydrogen storage properties of TiFe-based composite with Ni addition Open
This paper presents the preparation of the parental experimental alloy, featuring a standard composition of Ti1.08Y0.02Zr0.1Fe0.7Ni0.3Mn0.2, via the vacuum induction melting technique. Subsequently, the Ti1.08Y0.02Zr0.1Fe0.7Ni0.3Mn0.2 allo…
View article: Modification strategies of magnesium-based materials originating from other materials for hydrogen storage: A review
Modification strategies of magnesium-based materials originating from other materials for hydrogen storage: A review Open
Hydrogen is widely used as an energy carrier because of its wide source and environmental friendliness. However, the problem of low storage and transportation density still needs to be solved. In this paper, hydrogen storage materials are …
View article: Hydrogen storage properties of Nd5Mg41Ni alloy improved by GO
Hydrogen storage properties of Nd5Mg41Ni alloy improved by GO Open
Due to the high activation energy required for the decomposition of Mg metal hydrides, it can be decomposed into magnesium and H2 when the external temperature reaches 350 °C. In this paper, Nd5Mg41Ni + x wt.% GO (x = 0–4) composites were …
View article: Preparation of nickel and graphene modified La9CeMg80Ni5 composites and their microstructure and electrochemical properties
Preparation of nickel and graphene modified La9CeMg80Ni5 composites and their microstructure and electrochemical properties Open
A La2Mg17-type alloy La9CeMg80Ni5 was prepared and mechanically crushed to powders. Ni and Graphite (GR) were added during ball milling to prepare the surface-modified La9CeMg80Ni5-GR-Ni composites. The influence of milling time and Ni con…
View article: A significantly improved hydrogen storage performance of nanocrystalline Ti–Fe–Mn–Pr alloy
A significantly improved hydrogen storage performance of nanocrystalline Ti–Fe–Mn–Pr alloy Open
Improving the activation performance and increasing the hydrogen storage capacity are the main problems faced by TiFe-based alloys. In this paper, alloys with chemical composition Ti1.1-xPrxFe0.8Mn0.2 (x = 0, 0.02, 0.04, 0.06, 0.08) are de…
View article: Improving hydrogen storage thermodynamics and kinetics of Ce-Mg-Ni-based alloy by mechanical milling with TiF3
Improving hydrogen storage thermodynamics and kinetics of Ce-Mg-Ni-based alloy by mechanical milling with TiF3 Open
Mg-based hydrides are too stable and the kinetics of hydrogen absorption and desorption is not satisfactory. An efficient way to improve these shortcomings is to employ reactive ball milling to synthesize the nanocomposite materials of Mg …
View article: Effects of La substitution on microstructure and hydrogen storage properties of Ti–Fe–Mn-based alloy prepared through melt spinning
Effects of La substitution on microstructure and hydrogen storage properties of Ti–Fe–Mn-based alloy prepared through melt spinning Open
The as-spun Ti1–xLaxFe0.8Mn0.2 (x=0, 0.01, 0.03, 0.06, 0.09, molar fraction) alloys were prepared by melt spinning. The effects of La substitution for Ti on the microstructure, hydrogen storage kinetics and thermodynamics of TiFe-type Ti–F…
View article: Hydrogen storage behavior of Mg-based alloy catalyzed by carbon-cobalt composites
Hydrogen storage behavior of Mg-based alloy catalyzed by carbon-cobalt composites Open
The composites comprised of Co nanoparticle and C nanosheet were prepared though a high-temperature carbonization reaction. The catalysis of Co@C composites on the hydrogen storage behavior of Mg90Ce5Y5 alloy was investigated in detail by …
View article: A catalytic mechanism investigation of TiF<sub>3</sub> on hydriding/dehydriding properties of Mg<sub>85</sub>Cu<sub>5</sub>Ni<sub>10</sub> alloy
A catalytic mechanism investigation of TiF<sub>3</sub> on hydriding/dehydriding properties of Mg<sub>85</sub>Cu<sub>5</sub>Ni<sub>10</sub> alloy Open
The dehydrogenation activation energy Ea(de) of Mg85Cu5Ni10 is reduced to 81.462 from 116.767 kJ mol−1 by adding 6 wt% TiF3.
View article: Improving the dynamics of a Nd–Mg–Ni-based alloy by combining Ni element and mechanical milling
Improving the dynamics of a Nd–Mg–Ni-based alloy by combining Ni element and mechanical milling Open
Both ball grinding and increasing the nickel content can effectively reduce the dehydrogenation activation energy of a RE–Mg-based alloy.
View article: Hydrogen storage behavior of nanocrystalline and amorphous Mg–Ni–Cu–La alloys
Hydrogen storage behavior of nanocrystalline and amorphous Mg–Ni–Cu–La alloys Open
In order to enhance the characteristics of Mg2Ni-type alloys, Cu and La were added to an Mg2Ni-type alloy, and sample alloys were prepared by melt spinning. The effects of La content and spinning rate on the hydrogen storage properties wer…
View article: Hydrogen storage performances of the as-milled REMg 11 Ni (RE = Sm, Y) alloys catalyzed by CeO 2
Hydrogen storage performances of the as-milled REMg 11 Ni (RE = Sm, Y) alloys catalyzed by CeO 2 Open
The addition of catalysts and rare earth elements is considered to be very effective methods to enhance the hydrogenation/dehydrogenation properties of Mg and Mg-based hydrides. In this paper, the REMg11Ni+ 5 wt% CeO2 (RE = Sm, Y) (named R…
View article: An investigation of gaseous hydrogen storage characterizations of Mg–Y–Ni–Cu alloys synthesized by melt spinning
An investigation of gaseous hydrogen storage characterizations of Mg–Y–Ni–Cu alloys synthesized by melt spinning Open
Melt spinning enables the crystalline alloy to be strongly disordered and nanostructured, thus enhancing the hydrogen storage kinetics of Mg25−xYxNi9Cu.
View article: A comparison of TiF<sub>3</sub> and NbF<sub>5</sub> catalytic effects on hydrogen absorption and desorption kinetics of a ball-milled Mg<sub>85</sub>Zn<sub>5</sub>Ni<sub>10</sub> alloy
A comparison of TiF<sub>3</sub> and NbF<sub>5</sub> catalytic effects on hydrogen absorption and desorption kinetics of a ball-milled Mg<sub>85</sub>Zn<sub>5</sub>Ni<sub>10</sub> alloy Open
TiF3 shows better catalytic influence on hydrogen storage property of Mg85Zn5Ni10 than NbF5.
View article: Improved hydrogen storage kinetics of nanocrystalline and amorphous Ce–Mg–Ni-based CeMg<sub>12</sub>-type alloys synthesized by mechanical milling
Improved hydrogen storage kinetics of nanocrystalline and amorphous Ce–Mg–Ni-based CeMg<sub>12</sub>-type alloys synthesized by mechanical milling Open
Addition of Ni and milling are beneficial for forming nanocrystalline and amorphous structures, thus enhancing the hydrogen storage kinetics of CeMg12-type alloys.
View article: Improvement in the hydrogen storage performance of the as-milled Sm–Mg alloys using MoS<sub>2</sub> nano-particle catalysts
Improvement in the hydrogen storage performance of the as-milled Sm–Mg alloys using MoS<sub>2</sub> nano-particle catalysts Open
MoS2 nanoparticles embedded in the alloys markedly enhance the dehydrogenation performance, such as lowering dehydrogenation temperature and enhancing dehydrogenation rate.
View article: Highly improved hydrogen storage capacity and kinetics of the nanocrystalline and amorphous PrMg<sub>12</sub>-type alloys by mechanical milling
Highly improved hydrogen storage capacity and kinetics of the nanocrystalline and amorphous PrMg<sub>12</sub>-type alloys by mechanical milling Open
Nanocrystalline and amorphous PrMg11Ni + x wt.% Ni (x = 100, 200) alloys were synthesized by mechanical milling. Effects of Ni content and milling duration on the structures, hydrogen storage capacity and kinetics of the as-milled alloys w…
View article: Catalytic effect of MoS<sub>2</sub> on hydrogen storage thermodynamics and kinetics of an as-milled YMg<sub>11</sub>Ni alloy
Catalytic effect of MoS<sub>2</sub> on hydrogen storage thermodynamics and kinetics of an as-milled YMg<sub>11</sub>Ni alloy Open
MoS2 nanoparticles embedded into alloys markedly enhance the dehydrogenation performance, such as lowering dehydrogenation temperature and enhancing dehydrogenation rate.