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- W2755131351 abstract "The paper investigates the samples of Ni–B and Ni–In composites in the form of films synthesized by an electrochemical method having a 3high degree of defectiveness and shows the electrochemical processes for their preparation, in which the experimental data of the influence doping additions of boron and indium on the hydrogen permeability of synthesized electrochemical complexes based on nickel Nix-By-Hzand Nix-Iny-Hz are given. It is shown that by creating traps (structural, impurity) for hydrogen by introducing additional elements into the metal structure or by changing the structure (intermetallides), also by other methods, the hydrogen solubility of the metal can be changed to a greater or lesser extent depending on the technical requirements. Ni–B samples were obtained in the sulfamate nickel electrolyte using boron compounds of the class of higher polyhedral borates Na2B10H10. The use of nanoforming boron additives provides measured hydrogen content in Nix-By-Hz samples about of 600 cm3/100 g. Nickel-indium composites were obtained by electrolytic deposition on copper substrates (0,05 mm thick), with electrolyte composition: NiSO4 × 7H2O = 140 g/L; Na2SO4 × 10H2O = 20 g/L; and In2(SO4)3 which concentration varied from 1 g/L to 12 g/L. Variations in the amount of In2(SO4)3 ensured the production of Ni–In composites with different component ratios. The obtained data made it possible to select the optimal mode of deposition of Ni–In plating in the In2(SO4)3 electrolyte. In order to determine the effect of each of the electrodepositing parameters on the properties of the samples, only one parameter varies: either the cathode current density or the concentration of indium in the electrolyte. The samples of different concentrations of In are synthesized and studied. Their phase composition was determined. X-Ray phase analysis reveals in the Ni–In composites synthesized from electrolytes with In2(SO4)3 concentration of more than 2 g/L, a phase corresponding to the intermetallide η-In27Ni10. For the first time in the practice of studying sorption, electrochemical composites Nix-Iny, including subsequent thermal desorption of hydrogen, are studied by implanting deuterium into the samples. It is demonstrated spectra of deuterium thermal desorption from Ni70In30Dx composites, which allowed determining the temperature ranges of desorption of ion-implanted deuterium depending on the dose of implantation. It is confirmed that a Ni70In30 composite capable of retaining doped deuterium (hydrogen) has been obtained. It is shown that it is permissible to obtain samples of a Nix-Iny-Dz composite with a deuterium content of up to 2 at. D/at. Met., that corresponds to 5,3 wt% (for composites of this composition)." @default.
- W2755131351 created "2017-09-25" @default.
- W2755131351 creator A5032765161 @default.
- W2755131351 date "2020-09-01" @default.
- W2755131351 modified "2023-10-18" @default.
- W2755131351 title "Hybrid functional materials forming the metal structure with optimal imperfection for storage of hydrogen in hydride form" @default.
- W2755131351 cites W2076033067 @default.
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- W2755131351 doi "https://doi.org/10.1016/j.ijhydene.2020.06.221" @default.
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