Electrochemical hydrogenation of composite based on the Tb2Ni7:xMg with perovskite ceramics

Authors

  • V. Kordan Department of Inorganic Chemistry, Ivan Franko National University of Lviv, 6 Kyryla i Mefodiya St., 79005 Lviv, Ukraine
  • V. Voloshyn Department of Inorganic Chemistry, Ivan Franko National University of Lviv, 6 Kyryla i Mefodiya St., 79005 Lviv, Ukraine
  • V. Nytka Department of Inorganic Chemistry, Ivan Franko National University of Lviv, 6 Kyryla i Mefodiya St., 79005 Lviv, Ukraine
  • I. Tarasiuk Department of Inorganic Chemistry, Ivan Franko National University of Lviv, 6 Kyryla i Mefodiya St., 79005 Lviv, Ukraine
  • V. Pavlyuk Department of Inorganic Chemistry, Ivan Franko National University of Lviv, 6 Kyryla i Mefodiya St., 79005 Lviv, Ukraine

Abstract

R2M7 (R = rare-earth metal, M = elements of iron triade) intermetallic compounds are attractive magnetic and hydrogen sorption materials. Alloys with this composition often consist of several phases: hexagonal Ce2Ni7-type, rhombohedral Gd2Co7-type and CaCu5-type phases. These phases form solid solutions up to 6–7 at. % Mg. Solid solutions with a complex mechanism of substitution are formed, where both terbium and nickel are partially substituted by Mg. The hydrogen sorption properties are inherent to these solid solutions.

Downloads

Published

2025-05-24

Issue

2025

Section

Inorganic Chemistry