Electrospun carbon nanofibers with in-situ encapsulated Ni nanoparticles as catalyst for enhanced hydrogen storage of MgH2

Electrospun Composite Nanofibers for Functional Applications

“…The smooth surface of electrospun fibers and certain stability of the polymer, NPs cannot be perfectly and uniformly attached to the fiber surface by electrostatic adsorption or functional group action. The fiber impregnated with a ligand solution instigates bonding using a reducing agent or other reduction in the composite material to form NPs [91,92]. Lv et al cross-linked potato starch as a polymer after forming starch fiber mats immersed in AgNO 3 solution, and Ag + was reduced to AgNPs by heating at 60 • C protected from light.…”

“…Ding's research team proposed the use of ball-milling precursor sols to form homogeneous nuclear to precisely control crystal nucleation and growth for the purpose of grain refinement to avoid problems, such as the appearance of impurity phases and crack expansion during the preparation of flexible chalcogenide LLTO nanofibers (Figure 5D). Meanwhile, the soft grain boundary is constructed by adopting 200-900 • C stage calci-Polymers 2022, 14, 351 nation, which shows the excellent mechanical properties of flexible electronic fiber films based on perovskite ceramic oxide [92]. Nanofibers obtained by unusual calcination are brittle and inflexible.…”

Improved H-Storage Performance of Novel Mg-Based Nanocomposites Prepared by High-Energy Ball Milling: A Review

“…A significant decrease was obtained for the dehydrogenation barrier, i.e., the apparent activation energy was changed from 139 kJ/mol (as-milled MgH 2 ) to 81 kJ/mol after the addition of the nanorod catalyst. Carbon nanofibers, which supported Ni nanoparticles, were produced using the electrospinning method and then ball milled to MgH 2 [150]. The nanofibers ensured the homogeneous distribution of Ni particles around the hydride phase and also played the important role of preventing the aggregation of Ni.…”

Investigation on the Al/low‐melting‐point metals/salt composites for hydrogen generation

“…[1][2][3][4][5] There are various hydrogen production technologies including catalytic reforming, water electrolysis, water photolysis, biomass, metals, metal hydride, and so on, with all of them having their advantages and disadvantages. [6][7][8][9][10][11][12][13][14][15] For example, production of hydrogen from the fossil fuels though has high production efficiency, cannot be used as a long-term strategy for hydrogen economy due to its un-sustainability and airpollution; consumption of large quantity of electricity has made water electrolysis unfavorable though it can yield high-purity hydrogen; hydrogen production from the biomass, though is difficult to control with very low efficiency [16][17][18] but it is a promising method for the future. Ability to solve the problem of hydrogen storage and transportation has led to increasing attention being paid to the in-situ hydrogen generation via the reaction of metals (Al, Mg, Li, etc.)…”

“…Among the various clean energy sources, high‐energy density, and sustainability has made hydrogen energy a promising alternative to the fossil fuels 1‐5 . There are various hydrogen production technologies including catalytic reforming, water electrolysis, water photolysis, biomass, metals, metal hydride, and so on, with all of them having their advantages and disadvantages 6‐15 . For example, production of hydrogen from the fossil fuels though has high production efficiency, cannot be used as a long‐term strategy for hydrogen economy due to its un‐sustainability and air‐pollution; consumption of large quantity of electricity has made water electrolysis unfavorable though it can yield high‐purity hydrogen; hydrogen production from the biomass, though is difficult to control with very low efficiency 16‐18 but it is a promising method for the future.…”